Cool Plants

Hosta 'Gold Standard'

2011-07-24T17:23:00.003-04:00

A back-lit leaf of Hosta 'Gold Standard', perhaps the most significant cultivar ever introduced.

Hosta 'Liberty'

2010-08-17T18:18:00.008-04:00

Very rarely it seems, does one come across a specimen of a plant that instantly and dramatically takes them aback, especially one of a variety that they are somewhat familiar with. But such was the case this summer, when I observed a relatively mature Hosta 'Liberty' in all its glory in the garden of Bruce Cumpson (Olde Towne Gardens, Niagara-on-the-Lake).

Registered in 2000 as a sport of 'Sagae', it has gained some popularity in the industry, but nowhere near as much as what it warrants, at least in my opinion. Amongst Bruce's collection, it was easily the most dramatic -- a true standout from several metres way. I planted one in my own garden the next day.

I had actually grown it for several years at the nursery, but at some point had became disappointed with the variety. But that has certainly changed after seeing this beauty, and we are growing it once again! It certainly underlines the fact that mature specimens are generally the only way to observe and evaluate a Hosta variety.

Interestingly, it is a patented variety, and I can recall a conversation with Yoshimichi Hirose (variegated plant guru from Japan) who insisted that this plant had previously exsisted in Japan prior to its discovery, naming and patenting in the U.S. Such is the life of Hostas and plant-patents I guess. The new Zilis encyclopaedia lists four other varieties as being similar to 'Liberty'.

In any case, if you are going to plant one Hosta in 2011, make it 'Liberty'. You will not be disappointed.

Here's to dirt under your nails.

Mark, the coolplantsguy

Lilium 'Painted Ladies'

2010-06-13T08:50:00.009-04:00

Several years ago, I was fascinated by a "new" offering in Jelitto's latest catalogue listed as Lilium Martagon-Hybr. 'Painted Ladies'. The photograph showed an arrangement of stems consisting of flowers in an interesting assortment of colours.

I was somewhat familiar with L. martagon (Martagon or Turk's Cap Lily) and knew it was a valuable plant in the garden, particularly in areas of dry shade. Nursery production of the species or its white-flowered form 'Album' was seemingly difficult from the usual "bareroot" bulb method. Seed propagation I understood, would be moderately difficult, and plants would take at least a couple of years to mature to flowering size. For these intriguing 'Painted Ladies' however, I believed that the extra effort would ultimately be rewarding.

Following is what flowered this spring, from plants that were originally sown in 2006, and planted into my garden in 2008. Needless to say, I'm very impressed with these plants!
The book Lilies by Edward Austin McRae indicates that 'Painted Ladies' was developed by Edgar Kline of Oregon, and involves crosses between L. martagon (several forms), L. hansonii and L. medeoloides.

Unfortunately, production of this fabulous strain appears to be very limited.

Here's to dirt under your nails.

Mark, the coolplantsguy

In its Native Habitat

2010-06-06T11:01:00.005-04:00

Despite our best efforts as gardeners, at duplicating what we see in nature, and improving upon it with our own combinations and patterns, there is something wonderfully majestic about observing a favourite plant in its native habitat.

Such was the case a few weeks back, when I saw a beautiful stand of Aquilegia canadensis, the Canadian Columbine, on wooded and rocky outcrops along Twiss Road, just north of Burlington, Ontario.
The self-sowing tendencies of this plant were evident with several plants established on various levels of the outcrop, as well as in an actual row alongside the road. In my garden, I let it do its thing amongst Hostas, ferns and Martagon Lilies.

I've long been enamoured by this plant, preferring its grace and subtle beauty over the larger-flowered modern hybrids. Phillips and Rix state that it is pollinated by hummingbirds.
More recently, the dwarf strain 'Little Lanterns' has been very impressive, as well as the newer 'Pink Lanterns'.
Interestingly, Jelitto and Schacht record several forms of the species: "albiflora with white flowers, flaviflora flowers entirely yellow, and phippenii sepals pink, petals yellow" which must have been used to create the newer seed strains.

Here's to dirt under your nails.

Mark, the coolplantsguy

Spring at the Nursery, Part 3

2010-05-22T07:28:00.007-04:00

OK, now that "spring" is over, i.e. 80-hour work-weeks, blogging can return to a more regular schedule. While relatively crazy, I always appreciate the lessons learned from the industry's peak-season, and especially the new-plant experiences.

Case in point, is the re-discovery for me personally, of the genus Geum, one that had faded to near obscurity in recent years. New (and improved) introductions however, have turned the tide. Particularly impressive is the sterile selection called Totally Tangerine ('Tim's Tangerine'), pictured below, with very pleasant, re-blooming light orange flowers.
Another one I like is a Piet Oudolf selection called 'Flames of Passion' with slightly nodding flowers (on dark stems) of a very pleasant red-pink colour.
Here's a few other "miscellaneous" shots from the nursery this spring.

Centaurea montana 'Amethyst in Mist':
A new plant we are trying, Dianthus 'Fusion' from Walters Gardens' (Michigan) Kevin Hurd, with very nice bi-colour flowers:
Here's a close-up of the new Geranium 'Sandrine', the new and improved version from France, of the older and somewhat un-vigorous 'Ann Folkard'. The flowers are nearly twice the size.
This is an unidentified (I hate that), single white Peony:
I've long been a fan of the New Zealand 'New Millennium' series of Delphinium, but the 'Guardian' series is also superb:
Finally, a few shots from my "private stock", i.e. various new plants that we are trying this spring, including some plants from this spring that I simply must have. ;)
Heucherella 'Sweet Tea' has been amazing:
While slower, Heucherella 'Golden Zebra' has also been impressive:

Here's to dirt under your nails.

Mark, the coolplantsguy

Joy in the Garden

2010-05-10T17:57:00.008-04:00

Great joy can be had when one grows a plant well in their own garden. This is especially the case when the plant is relatively rare on the street. The "oohs" and "aahs" of visiting friends and family can certainly be most gratifying, if not also feed our horticultural egos. ;)

Such is the case with two Arisaema (Jack-in-the-Pulpit) in my front garden. The first is A. kishidai 'Jack Frost', a very cool variegated form (of a Japanese species) I grew from Shady Oaks Nursery several years ago. The flowers are an interesting creamy-white with brown streaks.
As a definite and very significant bonus, each leaf has a beautiful silver stripe down the middle. I have found it relatively easy to grow.
Second, is A. sikokianum, another Japanese species, which is a special plant for me, as it was a gift from a good gardening friend. It has the completely inappropriate common name of Gaudy Jack, apparently in reference to the bright white spadix which sits inside and in contrast with the black-striped, green spathe. It has also been easy to grow.

These are both of course, relatives of our native Jack-in-the-Pulpit, A. triphyllum, easily seen during the spring in wooded areas of Southern Ontario. It is also rather variable, and I hoping to grow a selection with particularly dark-coloured flowers and foliage called 'Black Jack'.

Here's to dirt under your nails.

Mark, the coolplantsguy

Spring at the Nursery, Part 2

2010-04-28T17:55:00.006-04:00

This is just a brief post of some pics of certain inspiring plants at the nursery over the last week or two.

A few from Papaver nudicaule 'Gartenzwerg' (Garden Gnome Iceland Poppy).
Next a couple of Aquilegia (Colubmine), first A. 'Origami Red & White', a superior form and then the newer A. canadensis 'Pink Lanterns', a plant I've been waiting patiently for years to finally see in full bloom.
Finally, a plant which I have a hard time not photographing each spring, Dicentra spectabilis 'Goldheart'.

Here's to dirt under your nails.

Mark, the coolplantsguy

A Perfect Spring Day -- April 11, 2010

2010-04-11T17:51:00.008-04:00

Like beauty, a perfect spring day is likely in the eye of the beholder. For me, such a day consists of getting work-work done in relatively good time -- that is checking on the crops at the nursery, and responding to any urgent emails, proceeding on with some garden work at home, spending some quality time with the family, and/or possibly while, checking out some cool plants. Of course, all under warm, sunny skies with a gentle breeze at 16C (61F).

Today was such a day. Here's a few pics from the latter part of the day.

First is Sanguinaria canadensis, the Bloodroot, both the single and double ('Multiplex') form, one of typical yet unique plants of spring. It is native to most of the eastern half of North America, and a red dye can be made from the dried root.
The Tulip is certainly another common harbinger of spring, but despite the impressive displays up in Ottawa and over in Holland, I can sometimes quickly tire of the large, modern hybrids, preferring rather the cute and dainty species. Here is Tulipa humilis:
Here's an Anemone, likely A. blanda, the Grecian Windflower:
The day would not have been perfect without some time with family. After a walk along Lake Ontario with the dog, I took my daughter Sarah along with me to the Niagara Parks' Botanical Gardens.
Finally, without much identification, as I've never been much of a "woody" guy, spring is never complete without a couple Magnolia or fruit tree flowers:

Here's to dirt under your nails.

Mark, the coolplantsguy

Spring at the Nursery

2010-03-23T07:29:00.018-04:00

Spring is here! Of course, at the nursery, it's a little ahead of schedule. Here's a few shots of plants in bloom.

A couple of Clematis Diane's Delight:

Clematis Hyde Hall:

Clematis Empress:

And finally, a little Primula denticulata:

Here's to dirt under your nails.

Mark, the coolplantsguy

In the Pipeline -- New Plants for 2011 and Beyond, Part 4

2010-03-14T08:35:00.014-04:00

One website I like to visit on a regular basis is Bob Brown's Cotswold Garden Flowers. He maintains an extensive "encyclopedia" that contains many new and upcoming plants, including in most cases, his witty and insightful comments and a rating out of ten based on his experience with the plant. Here's several that caught my eye (thanks to Bob, via Diana, for permission to borrow and post pics).

First are a couple of new seedlings of Aconitum carmichaelii, the Autumn Monkshood, with outstanding foliage colours (he lists almost a dozen varieties, all with cultivar names that begin with "river"). Below is 'River Dee' that emerges with orange leaves that turn to yellow-green with a green edge as they mature.

Another somewhat similar plant is 'River Lugg' (below) with foliage that emerges a bright, golden yellow colour, greening-up as it matures. Both this one and the previous one, are relatively dwarf at approximately 30-40cm (12-16") in height, and produce the typical purple-blue Monkshood flowers in the autumn.

Here is Angelica 'Ebony' of unknown origins, at least as far as I can tell. According to other sources, it comes almost 100% true from seed, and caused quite a stir at the Chelsea show when it was first shown. It grows to 75cm (30") in height.

Next is Astrantia 'Comptom Lane Strain' with brilliant crimson flowers, and seemingly large and extended, bristly bracts.

Below is an outstanding, but still unnamed, yellow-leaved form of Euphorbia amygdaloides, the Wood Spurge. Bob states, "so far, no mildew and a good garden perennial", that the plant is thriving, and rates it a 8.5 out of 10. What a beauty!

Next is Geranium phaeum 'Séricourt', another yellow-leaved plant, in this case the foliage nicely contrasting with the dark, reddish-brown flowers. Bred by Yves Gosse, Séricourt, Pas de Calais, France. Bob rates it an 8.

Geum 'Bell Bank' is a variety raised in the 1980s by Geoffrey Smith of the U.K., likely from a cross between G. rivale and G. coccineum. The pink colour is unique, and the deckled (love that word) edges an interesting feature.

Next is Iris sibirica 'Roaring Jelly', a 1992 introduction from Marty Schafer and Jan Sacks. It was awarded the Morgan Wood Medal in 1999, and consistently ranks highly in the annual Siberian Iris Society's 'Favourite Cultivars List'. The colour is outstanding! Why it is not being more actively propagated in North America is beyond me.

Finally for this post (the first of two featuring plants from Cotwold Garden Flowers), are a couple of Kniphofia (Red Hot Poker, Torch Lily), 'Barbie' immediately below with large, round heads of yellow, orange-tipped flowers (very lucent), and then 'Barton Fever' with tawny buds that open to a fine apricot.

Here's to dirt under your nails, and more of these plants becoming available in North America!

Mark, the coolplantsguy

The Beauty of Young, New Plants

2010-03-11T17:44:00.006-05:00

It's great to work at a nursery that grows such cool plants... and to so easily get an early taste of the seasons that lie ahead! Here's a couple of pics of some of the newest varieties that we are growing this year, and in this case, pushing a little ahead of their regular schedule, just so we can see how they do, and what they look like.

Above, left to right, top to bottom:

Heuchera 'Electric Lime'
Heucherella 'Golden Zebra'
Viola 'Heartthrob'
Heuchera 'Havana'
Dicentra 'Candy Hearts'
Heuchera 'Midnight Bayou'
Brunnera 'Emerald Mist'
Brunnera 'King's Ransom'

Above, left to right, top to bottom:

Heucherella 'Sweet Tea' (very cool!)
Heuchera 'Midas Touch'
Heuchera 'Sugar Plum'
Geum 'Eos' (sweet!)
Heucherella 'Tapestry'
Heuchera 'Fire Chief' (I really like this one)
Heuchera 'Electra'
Thalictrum ichangense Evening Star Strain

I really enjoy putting and seeing these "assorted" trays together -- I don't know how anyone could resist!

Here's to dirt under your nails.

Mark, the coolplantsguy

Piet Oudolf's Favourite Perennials

2010-02-24T19:01:00.004-05:00

Another one of my favourite stops while visiting the Netherlands, was the garden and nursery of Piet Oudolf. He had this unforgettable, high and multi-layered hedge at the front of his property behind which was his main garden. In the picture below, he is moving a clump of Monarda (Bee Balm).

He has since become a renowned garden designer with many projects, both public and private, in Europe and North America. You can see some of his very cool work and photography on Flickr and on his website.

Virginia Small recently listed his favourite perennials here. It is tellingly divided into three groups: plants the provide structure, produce attractive seed heads, and maintain a distinct winter shape. Ultimately, the goal is to provide an abundance of multi-season interest.

I find a few things however, interesting to note in this list. Firstly, most are relatively tall plants -- you will not find any "cute" Campanula carpatica or Dianthus here. Second, there is mix of both native and non-native species. And finally, the list appears to be missing the most popular genera, specifically Geranium, Heuchera and Hosta. I would certainly love to share a pint with this great artist to discuss this last point!

Well, here's to dirt under your nails -- I hear spring has sprung in certain parts of the continent.

Mark, the coolplantsguy

Not Necessarily New But....

2010-02-23T19:05:00.026-05:00

For a change of pace from all the brand new and up-coming plants, here's a collection of less common, at least here in North America, plants offered by Hans Kramer's De Hessenhof nursery. This was another of my favourite stops while visiting the Netherlands.

First, is Amsonia 'Ernst Pagels' a hybrid of A. hubrichtii and A. ciliata, with fine foliage that turns bright golden-yellow in the autumn, and relatively large clusters of lavender-blue flowers during the summer. Named by Rob Leopold for the esteemed German plantsman.

Next is Dianthus gratianopolitanus 'Babi Lom', a beautiful selection from the Czech Republic with perfect mounds of steely-blue foliage, covered with electric-pink flowers in early summer. It's beautiful, but doesn't look that much different from the popular 'Firewitch'.

This (below) is Helenium 'Baudirektor Linne', an old German variety that has performed well over the years and recently received an AGM from the trials at Wisley.

Helenium 'Loysder Wieck' (below) is a unique form with quilled petals, developed by Paul Wilmink, a former professor of Horticulture at Utrecht. Loysder is the ancient name for the Dutch city of Leusden.

Finally for Helenium (yes, the Europeans love this North American native), is H. 'Ring of Fire', another AGM recipient, with beautiful red-brown, yellow-edged flowers. Why these Helenium, especially the award-winning varieties, are not available in North America is beyond me.

This is Nepeta 'Blue Danube', a selection or hybrid involving N. grandiflora, made by plantsman Christian Kress of Austria. It is a relative low form, growing to only 60cm (24"), and produces condensed clusters of purple-blue flowers for a strong impression. I like the contrast with reddish stems and calyxes.

This is Phlox (Paniculata) 'Oljenka', apparently developed in Russia in the 1930s, with beautiful, almost tri-coloured pink, white and red, flowers. For some amazing photography of this variety, and other Phlox (and Helenium), check out this very cool German website.

Finally, is Rodgersia 'Ideal', introduced by German breeder Peter zur Linden in 1987. The emerging foliage in spring is a deep red-brown, that slowly fades to green with a darker edge by mid-summer. The pinkish flowers are produced on a tall and narrow, but heavily branched plume. Hans calls this "graceful".

Here's to dirt under your nails.

Mark, the coolplantsguy

In the Pipeline -- New Plants for 2011 and Beyond, Part 3

2010-02-02T19:31:00.013-05:00

Another genus that I've been fascinated with for some time is Kniphofia (Red Hot Poker, Torchlily), named in honour of the German physician and botanist, Johann Hieronymus Kniphof (1704-1763). It has 60-70 species, typically native to Southern Africa.

Its unique and brightly-coloured flowers make it an easy "stand-out" in the summer garden, often adding a somewhat desert-like feel to the landscape with its tufts of narrow foliage.

For some reason, it is now described as "old" and out-of-fashion, and certainly is one of those plants that is often associated with "grandmother's garden". Terra Nova Nurseries however, in Oregon, which is well-known for breeding and introducing new perennials to the industry, has recently expanded their work to include this beautiful plant.

Two series are being introduced in 2010, and likely will be available to consumers this summer. The Popsicles are compact and long-blooming forms, starting in early summer and continuing through autumn. The Solar Flares are larger and known for heavy bloom production from mid-summer through to hard frosts.

First is 'Pineapple' (Popsicles series) with lovely golden-yellow flowers.

Second, is 'Ember Glow' (Solar Flare series) with warm tangerine-orange flowers.

Finally, is 'Fire Glow' (Solar Flare series) with hot orange-red flowers.

These plants have been tested for hardiness in Michgan, so should do well in zones 5-9. Once established they are very drought tolerant. Some early-spring pruning of the old, winter-beaten semi-evergreen foliage (do not cut back in the autumn), and periodic dead-heading during the flowering season, will make for a better presentation.

Here's to dirt under your nails in the coming months, and the return of the Red Hot Poker (now that's a cool common name).

Mark, the coolplantsguy

In the Pipeline -- New Plants for 2011 and Beyond, Part 2

2010-01-31T16:35:00.016-05:00

In this post, we will take a look at the breeding work of Brent Horvath of Intrinsic Perennial Gardens in Hebron, Illinois. His most popular introduction so far include Polemonium 'Heaven Scent', a personal favourite of mine, with early, grape-scented purple flowers and dark spring foliage. It was derived from crossing the native (most of north-eastern North America) P. reptans with P. yezoense 'Purple Rain'.

Another popular introduction of Brent's is Sedum 'Lajos' Autumn Charm™, a wonderfully variegated (sport of the popular 'Autumn Joy') form of Showy Stonecrop. While I have become somewhat jaded with variegated Sedums, due to their relative instability, this one appears to be the "most stable", and is otherwise very colourful.

One of Brent's plants that has been out for a few years, that I am very impressed with but have yet to grow is Pennisetum alopecuroides 'Red Head' (below). Compared with the "flowers" of other forms of Fountain Grass, this one is simply outstanding.

In Brent's pipeline are several more exciting new perennials. The following have been released in the last year or two, or will be released by his nursery in 2010. Keep in mind that an introduction to the industry, typically takes a few more years to reach "mass production".

One that is almost shockingly beautiful is Andropogon gerardii 'Red Bull', a selection of the native (most of North America east of the Rocky Mountains) Big Bluestem or Turkey Foot Grass, which is described as the "monarch of the prairie grasses". In any case, it is a beautiful, upright grass that is easy to grow in full sun, with lush summer foliage, that in the case of 'Red Bull', turns a brilliant red in the autumn.

Another beauty is Geum 'Mai Tai' with lovely peachy-apricot flowers on dark stems.

Last but not least is Penstemon digitalis 'Precious Gem', a brand new selection of the native (most of eastern North America) with foliage that emerges bronze and turns green by summer, and with plenteous pink flowers on dark stems that persist until autumn.

Here's to dirt under your nails...

MPD, coolplantsguy

In the Pipeline -- New Plants for 2011 and Beyond

2010-01-17T11:44:00.016-05:00

So most of us are at least somewhat interested in trying a new plant or two this spring or summer... my last four posts here have highlighted several new varieties that will be available in 2010. But what about the new plants that are in the pipeline to be released in 2011 and beyond? Here's a few sneak peaks to whet your appetite.

One of my favourite stops while visiting Holland, was the nursery of Marco van Noort, an incredible plantsman, and breeder of the popular Geranium 'Jolly Bee'. The genus Geranium is a specialty of his, but it appears as though he is branching into Echinacea as well. Here are some seedlings pictured on his website:

Also check out this video of plants that he is releasing in 2010-11.

I am very impressed with these, and knowing his standards in breeding and selection, they are bound to be good varieties. My best guess is that they will likely make it North American in 2011-12.

I can recall my last visit to his nursery and seeing a very small batch of near-red Geranium cinereum -- it looks like 'Memories' or 'Signal' are the result of that work -- beautiful!

Here's one that he describes as the largest-flower ever. The variety 'Dragon Heart' (also a superb plant) is on the left for comparison.

Spring is just around the corner! A few more weeks my friends.

Here's to, at least dreaming of, dirt under your nails.

MPD, coolplantsguy

New Plants for 2010, Part 4

2010-01-01T10:57:00.019-05:00

Are there too many Heuchera varieties? I would say, yes. Are they otherwise, great, colourful and so very cool plants? Again, the answer is yes.

I don't think there is another perennial that provides such a long season of interest, combination of foliage and flower, and the tapestry of colour. Dan Heims of Terra Nova Nurseries in Oregon was one of the first to realize this, and capitalize on the potential of this North American genus. Ever since the introduction of his classic 'Plum Pudding', the gardening world has been enamoured by his "babies". Here's a few of the latest...

First is Heuchera 'Electra', with brilliant, blood-red veins on golden-yellow leaves. This vigorous variety delivers what 'Tiramisu' promised.

Second, is Heucherella 'Golden Zebra' with brilliant yellow leaves boldly splashed with dark red. Picture this in the garden beside a dark-leaved companion or in a fantastic container.

Finally, is Heucherella 'Sweet Tea', the most boldly-coloured variety ever! Huge cinnamon stars are surrounded by the lovliest orange tea-coloured borders. What a cool plant -- again, try in the garden or containers with darker or lighter-coloured companions.

In the meantime, there's lots of snow in Niagara, and I'm loving it.

Here's to dirt under your nails... in another 10 weeks or so. ;)

MPD, the coolplantsguy

New Plants for 2010, Part 3

2009-12-29T11:41:00.006-05:00

Here's another set of new perennials we're growing for spring 2010...

From AB Cultivars in Holland comes this new Astilbe 'Delft Lace' with thick, blue-green foliage covered with a silver overlay, and red stems carrying dark pink buds that open to soft pink flowers. From "unknown parentage", it is often presented as a much-improved version of the older variety 'Peach Blossom'.

Remember that Astilbes, relatively speaking, require more water, especially early in the season when the flowers are forming and opening. Even after flowering, the foliage can quickly turn brown and crispy without some attention. They are not particularly drought-tolerant. Depending on the genetics, that is for example, whether 'Delft Lace' contains any A. chinensis (a somewhat more drought tolerant species) in its parentage, this concern will be more or less the case.

Dicentra 'Burning Hearts' is a fascinating continuation of the breeding work of Akira Shiozaki from Japan (crossing various forms of D. peregrina and D. eximea). This newest Bleedingheart has deep, hot-red flowers over top of silvery-blue, fern-like foliage. Other introductions from Mr. Shizoki are the popular 'Candy Hearts' and 'Ivory Hearts'. All of these varieties are vigorous and long-blooming. Graham Rice presents more information here.

Finally for this post is the new Shasta Daisy, Leucanthemum 'Banana Cream', with lemon-yellow flowers that retain their colour longer than other yellow-flowered varieties, e.g. 'Sonnenschein' (Sunshine). The flowers of 'Banana Cream' open a bright lemon-yellow, turning to a buttery yellow, and then to a creamy-white as they mature. It is a relatively compact variety, growing to 45cm (18") in height, and also makes an excellent cutflower.

One more set to come...

MPD, the coolplantsguy

Thanks to Planthaven, Skagit Gardens, Terra Nova Nurseries and Walters Gardens for use of their photography.

New Plants for 2010, Part 2

2009-12-28T09:43:00.006-05:00

Here's another set of three new varieties of perennials that we are growing for 2010.

First is Geum Totally Tangerine™ ('Tim's Tangerine') from the UK. It is completely sterile, and so is particularly long-blooming compared to other varieties. While I've generally not been a big fan of this genus in the past, I've warmed up to it in recent years, and expect this plant to be a real winner in the garden. It is hardy to USDA zone 4 and easy to grow in the front or middle of a bed, forming a low mound of foliage but with flowers on stems nearing 75cm (30") in height.

Second is Echinacea 'Firebird' from Terra Nova's breeding program. This variety has brilliant red-orange, shuttlecock-shaped flower petals surrounding a dark cone for a beautiful contrast. It has a well-branched habit and flowers at just under 1m (38") in height.

While there has been much discussion regarding the hardiness and vigour of these new hybrid Coneflowers, my recommendation based on experience is to plant relatively mature plants in the late spring or early summer. Graham Rice covered some of the likely issues in his December 2007 article.

Finally for this post, is Hemerocallis 'Just Plum Happy' from renowned Daylily breeder Darrel Apps. It is a re-blooming variety producing large (11cm, 4.5" wide) flowers with mauve-pink petals and a darker plum-purple eye with matching picotee edge.

Thanks to Planthaven, Skagit Gardens, Terra Nova Nurseries and Walters Gardens for use of their photography.

More to come...

MPD, the coolplantsguy

New Plants for 2010, Part 1

2009-12-27T09:06:00.012-05:00

Helping to decide which new varieties of perennials to grow each year at my nursery, is one of the most favourite parts of my job. Certainly, there are many to choose from, as each propagator typically has an assortment of new varieties to promote and sell. With a little research, and in some cases, an evaluation of our in-house trials, we come to a decision. Here is a peak of some of the new plants that we will be growing for spring 2010.

There have been many new varieties of Brunnera macrophylla introduced in recent years, typically variations of silvered and/or variegated foliage. New in the last year or two have been a few gold-leaved forms, one of which is 'Diane's Gold', which is purported to maintain its chartreuse foliage into the summer, whereas other similar forms fade to green after the spring. In any case, it will be beautiful with its purple-blue flowers.

Following on the heels of the popular Bellflowers, Campanula 'Kent Belle' and 'Sarastro' comes this beautiful form called 'Summertime Blues'. It is vigorous and long-blooming, possibly even longer than the others. I'm also expecting the reddish stems to provide some additional, subtle colour and contrast.

The above was derived from crossing C. punctata and C. trachelium, and will likely have some moderate spreading tendencies, despite claims to the contrary. The picture below shows a 14cm (5") pot after several weeks of growing from a 72 plug -- I'm fairly certain those are some creeping stolons! ;) In any case, I've still planted it into my garden, and expect that it will be a great plant in the right spot.

Finally, for this post, is the new Euphorbia amygdaloides 'Ruby Glow', which has beautiful red-bronze foliage on the new growth. I have always admired the old form called 'Purpurea', but propagation by seed has resulted in variable plants, some with poorly-coloured foliage. This new variety is propagated only by cuttings.

Thanks to Planthaven, Skagit Gardens, Terra Nova Nurseries and Walters Gardens for use of their photography.

More to come...

MPD, the coolplantsguy

Allium thunbergii 'Ozawa'

2009-10-14T17:07:00.011-04:00

Plants that actually reach their peak in October, at least in this part of the country, are few and far between, making them a real treasure to gardeners and garden visitors alike. One of my favourites is Allium thunbergii 'Ozawa' for its near electric-violet flowers in loose "balls" called umbels.

It is a dwarf variety introduced to North America by George Schenk, and likely named after the original selector. The species is also known as the Japanese Onion, although as far as I know, it is not used for any culinary purposes. It is native to low mountains in Honshu, Shikoku, Kyushu and extending from Japan into South Korea.

Unfortunately, this plant is relatively rare, although specialty mail-order and/or bulb companies might offer it on occasion.

Here's to dirt under your nails.

MPD, the coolplantsguy

Two Cool, or Not-so-Cool Plants?

2009-10-13T16:21:00.007-04:00

During a recent visit to Lost Horizons nursery and Larry Davidson's garden, just outside of Acton (yes, this place makes it "worth the drive" at least for me) I was taken somewhat aback by a relatively large plant that I could not recall having seen before.

After posting a few pics on the GardenWeb perennials forum, I soon discovered it was somewhat of a weed in the southern U.S., Phytolacca americana, the American Pokeweed.

While parts of the plant are toxic, it continues to be used in both traditional medicinal and modern pharmacological preparations. In addition, the cooked greens are apparently available commercially in the South. Elvis Presley even recorded a song titled "Polk Salad Annie".

Another very similar plant in Larry's garden, appears to be P. acinosa (syn. P. esculenta), an
Asian relative of the American species.

In any case, despite the somewhat negative opinion that persists for these plants, I was certainly very impressed by their size and colourful stems and fruits. Hence, "beauty is in the eyes of the beholder".

Here's to dirt under your nails.

MPD, the coolplantsguy

The End of Summer

2009-09-24T17:51:00.016-04:00

As Labour Day approaches, and so very quickly passes, we suddenly find ourselves facing the end of summer. I find this time of year to be somewhat depressing, even though I do enjoy the Autumn season immensely. There's just something about the shorter evenings, cooler nights, and the so very slow but glorious decline of the garden that causes me to pause with some sadness and reflect on a summer gone by.

In any case, here's another set of shots from the Niagara Parks' Botanical Gardens...

From the main parking lot, as one begins to enter the gardens, they pass a beautiful grass border in front of some giant conifers.

Of course, at this time of year, most of the grasses are at their peak. Here's a couple of their "flowers" or plumes, in some pleasant lighting.

Here's a Helenium in all her glory, named in fact, for Helen of Troy, but the connection between the two is somewhat ambiguous. Its common name of Sneezeweed, on the other hand, comes from the fact that the plant was originally accused of causing late summer allergies. It is however innocent to this charge, but does bloom at the same time as the actual culprit, Ragweed (Ambrosia sp.). In any case, it's an unfortunate name for such a beautiful, late summer plant.

Another late summer "beauty" is Physostegia virginina or Obedient Plant. In good, rich garden soil it has a tendency to run, particularly if the gardener does not have the ability to be ruthless on an annual basis. Its common name comes from the fact that bent stems "obediently" remain in position.

One of a couple less common plants is Gentiana clausa, or the Bottle Gentian. It is native to much of Eastern North America, including parts of Quebec. It is typically known for its flowers that appear to remain closed, but in fact, a small opening at the top is just large enough for a bee to squeeze in and look after business.

Another rarity is Kirengeshoma palmata or Yellow Waxbells, one of a few perennials from the Hydrangea family. Its horned fruit is of some ornamental interest, and is described by Allan Armitage as "Stephen King-like".

In the Rose Garden, they have some beautiful plantings of annuals and "tender perennials"...

...including Ricinus communis, the Castor Bean plant, here with a Begonia around the bottom. It is propagated by seed so there is considerable variability in leaf and stem colour. This particular plant has beautiful red stems.

Another beautiful tender perennial is Cynara cardunculus or Cardoon. For silver and textured foliage, it has to be near the top. Apparently this plant goes back to the fourth century BC. In addition, both the flower buds and the stems (stalks) are eaten. In places like California, Australia and Argentinia, it is considered to be a weed.

Finally, a few shots of a couple of magical combinations of Colchicum autumnale (Autumn Crocus) with Ceratostigma plumbaginoides (Plumbago, Blue Leadwort).

Here's to dirt under your nails... for a few more weeks. Don't forget to plant more bulbs!

Mark, the coolplantsguy

Niagara Parks' Botanical Gardens, August 24, 2009

2009-08-31T19:43:00.014-04:00

Here's another set of shots from the Niagara Parks' Botanical Gardens in late August. I had just discovered the macro function on my little digital camera, so there is a slight emphasis on close-ups.

Good ol' Echinacea purpurea with a Bumble Bee doing its duty.

I'm fairly certain this is Hibiscus 'Kopper King' -- an outstanding hybrid by the Fleming brothers of Nebraska.

One of the several dark-leaved Canna that are available these days. I almost find the clash of colours a little garish -- but to each his own.

Another shot of a back-lit Ensete leaf. I have a hard time resisting taking another picture of these plants every time I see them -- they are magnificent.

I believe the correct name of this plant is Canna 'Phasion' but it is also known as Tropicanna™ or 'Durban', 'Inferno' and several others. It's history is almost as colourful as the plant itself.

Of all the forms of Black-eyed Susan (Rudbeckia hirta), this one called 'Prairie Sun' is my favourite by far for its consistent form and height and outstanding colour.

This is another plant that fascinated me early on -- the Turtlehead or Chelone sp., a genus of four species native to much of eastern North America. Although some suggest otherwise, I think the flowers do look like a turtle's head. Our native species here in Ontario, C. glabra, has flowers that are usually a lighter pink (almost white) than the one pictured below, and can be found in sunny, moist locations.

Here's Sedum sieboldii 'Mediovariegatum' again, this time nicely back-lit.

Here's a pleasant pink Japanese Anemone, probably A. hupehensis, a valuable plant for the late summer garden, but yes, it does spread a little in good garden soil.

This Agave americana (Century Plant, American Aloe) caught my eye with the interesting "water mark" down along one side of a leaf. I know of some people using syrup or nectar of this plant as a healthful natural sugar substitute.

I can remember seeing this plant, the Castor Bean (Ricinus communis), for the first time many years ago, and being instantly impressed by its size 2-3m (7-10'), and colourful foliage. I'm not sure why this plant remains so elusive in the retail environment, as I find it irresistible.

Here's an interesting, back-lit shot of the seed-heads of Chasmanthium latifolium, the Northern Sea Oats. While it does seed itself around quite a bit, it is still a useful grass -- it is one that can certainly tantalize most of the senses on a quite summer evening.

This is a cool close-up of a flowers from Ligularia dentata. A biology professor could make good use of this to teach his/her students all the "intricate" parts of a flower! ;)

Finally, good ol' Pennisetum alopecuroides 'Hameln', the popular Fountain Grass in all its glory.

Here's to dirt under your nails -- summer is quickly coming to an end.

MPD, the coolplantsguy

Persicaria amplexicaulis, the Mountain Fleeceflower

2009-08-25T15:48:00.011-04:00

I almost always feel like the proverbial "kid in a candy store" every time I stumble across a nursery that specializes in some genus or type of plant, and see their list (or website) that boasts dozens of varieties that I've never even heard of.

Such was the case the other day, when I discovered the website of Persicaria breeder Chris Ghyselen from Belgium. Over the years I've grown maybe two to three forms at the nursery, but never one in my garden for some reason. I'm not sure why exactly -- it certainly is a beautiful and useful plant.

Here's a variety of P. amplexicaulis (syn. Polygonum amplexicaule), the Mountain Fleece Flower combined with Geranium 'Rozanne' in a planting over at the Niagara Parks' School of Horticulture & Botanical Gardens.

It's possible my hesitation comes from the fact that Persicaria/Polygonum has a bad reputation for a few species that are noxious weeds. Armitage does state that this species requires significant space, and forms dense large clumps that slowly get larger with time.

That being said, they flower from mid-summer until frost, and they look just so European -- Piet Oudolf design plant for sure!

In anycase, I was very impressed with Chris' website -- it lists over 30 cultivars of P. amplexicaulis -- very cool.

Here's to dirt under your nails.

MPD, the coolplantsguy

Niagara Parks' Botanical Gardens, July

2009-07-30T12:01:00.014-04:00

Here's a set from several dates during the month of July.

The following are several pics of the very cool Ensete, commonly called the False Banana, although it is closely related to the true Banana (Musa sp.). While the fruit is not edible, the root is an important food crop in parts of Africa. In any case, it makes a dramatic and very tropical statement in the garden. The Niagara Parks Commission is using more tropicals each year in their gardens, and doing so quite effectively.

Most of the Daylilies were at their peak during the second half of this month. The first is 'Fairy Tale Pink', an older diploid bred by Pierce and registered in 1980. It has however, won several awards, including the Silver Stout Medal (the American Hemerocallis Society's highest honour) in 1990, and remains an outstanding pink-flowered variety.

This was a nice but unidentified red.

Here's Stamile's 1989 introduction, the tetraploid and aptly-named 'Strawberry Candy'. It is also a multiple award-winner, including the Silver Stout Medal in 1998.

This is a close-up of the older (1967 introduction by Fay) of 'Mary Todd', another award-winner, including the Silver Stout Medal in 1978.

This is the classic Liatris spicata 'Kobold', or Dwarf Blazing Star (the "kobold" is a goblin-like creature from German folklore). Unfortunately, most nurseries are propagating this plant by seed these days, the result of which is the usual variability, and therefore some not-so-dwarf plants. I have seen however, some offering a plant called 'Kobold Original', which should grow to only 40cm (16").

This combination caught my eye for the designer's principle of the use of "semi-transparent" plants, in this case, the white flowers of Artemisia lactiflora 'Guizhou', through which one can see the hot flowers of a Helenium.

A close-up of an Echinops (Globe Thistle) flower.

This is a good example of the effectiveness of a mass-planting, in this case, Stachys monieri 'Hummelo' in front of a gold-leaved Cedar.

There's certainly been plenty of attention paid to the genus Echinacea in recent years, in particular regarding all the new hybrids and selections. Below however, is the species E. pallida or Pale Coneflower, native to Ontario and most of the eastern U.S. I like it for its drooping petals, and although it is usually relatively pale in colouration, some darker forms exist as well.

The flowers of Salvia sclarea or Clary Sage, are unique to those used to the typical purple-blues of S. nemerosa, and are also a good plant to learn about the details of the parts of a flower, as it is the larger bracts that surround the actual flower that provide the ornamental value.

For most of the spring and summer, I have a hard time resisting taking yet another picture of Hosta 'Sun Power'. This one has some interesting lighting showing off the texture and colours of the beautiful golden-yellow leaves.

Finally, I'm not a big fan of Astilbe, simply because they require too much water to grow well and look nice here. This year however, with all the rain we've had, they are simply beautiful. This unidentified pink-flowered variety caught my eye with its darker pink stems.

Summer is moving quickly -- enjoy the long weekend, and here's to dirt under your nails.

MPD, the coolplantsguy

Niagara Parks' Botanical Gardens, June 21

2009-07-16T17:49:00.012-04:00

After so many years of living here, I've finally had a chance to visit these wonderful gardens every couple of weeks or so. Here's another set of shots...

Tradescantia 'Concord Grape' with a gold-leaved Cotinus. The bluish leaf of Concord Grape plays an interesting part in this combination.

This is Geranium 'Patricia' from Alan Bremner, the excellent breeder from the Orkney Islands (north of Scotland). It has been out for years, and somewhat overlooked, but this is a simple beauty. It is the hybrid G. psilostemon × G. endressii.

I can remember seeing this plant, Filipendula ulmaria 'Variegata' for the first time many years ago at a nursery in the Netherlands. The nurseryman there described it as "too unstable" which it usually is, especially in commercial production, but once established, it is very dramatic. I will admit however, a particular attraction to variegated plants.

Years ago, I can remember reading about an Oenothera (Sundrops) with red buds -- it remained elusive for so long, I thought it had been lost in North American horticulture. More recently, a nursery in Pensylvannia offered the "true form" of O. fruticosa 'Fyrverkeri' (Fireworks) -- and what a beauty!

Here's a pleasant combination of Athyrium niponicum var. pictum (the Japanese Painted Fern) along with Hosta 'Blue Cadet'.

The combination possibilities of yellow and purple are near endless in the world of perennials -- here's an interesting one with Allium moly and Salvia Marcus. I've never been a big fan of the dwarf Marcus, but in this situation, it is certainly useful.

This is an outstanding combination of three plants (clockwise from upper-left): Cryptotaenia japonica var. atropurpurea (Japanese Purple Parsley), Carex elata 'Aurea', and Lychnis × arkwrightii 'Vesuvius'. The Japanese Parsley is relatively rare, despite the fact that it self-sows in abundance. The Lychnis is a short-lived perennial, and may even be best treated as an annual. In any case, this combination is stunning.

Geranium pratense 'Mrs Kendall Clark' in all her glory -- a plant that I've loved (note the past tense) for its unique flower colour, but also despise for its extreme height, being prone to mildew, and a nasty habit to self-sow.

Finally, Salvia Marcus with Stachys byzantina (Lamb's Ears), in this case showing the usefulness of silver foliage.

Here's to dirt under your nails.

MPD, the coolplantsguy

Spring at Niagara Parks' Botanical Gardens, June 7th

2009-06-28T14:18:00.014-04:00

Here's another set of shots I took recently...

Despite the wonderful attributes of the now very popular Geranium 'Rozanne' and its very similar cousin 'Jolly Bee', I still like many others, including this one, G. × magnificum (a sterile hybrid from G. ibericum × platypetalum). I like the two or even three-tone flowers and their relative abundance. This plant is a good example of the principle of "hybrid vigour" for this child easily out-performs both of its parents. In any case, it's a great plant for a partially shaded location.

Also at its peak was Campanula 'Samantha', a likely C. carpatica hybrid that has very pleasant upward facing bellflowers, and a somewhat longer bloom-time due to its sterility.

Here's a great, and a not-so-great plant in a colourful combination. The gold-leaved Sedum reflexum 'Angelina' is a superb plant for its drought-resistant and vigorous nature, and obviously, its colourful foliage. The dark one in the middle however, is S. 'Black Jack', a sport of the deservedly popular 'Matrona', that was once promoted as possibly the best of the dark-leaved Sedums. Black Jack was a major disappointment for most, being rather prone to mildew and genetic instability. The two plants do here make a pleasant combination, but I'd hate to see how 'Black Jack' looks in a few weeks.

This is Dianthus gratianopolitanus 'Tiny Rubies', a cute dwarf, and floriferous Pink that is ideal for the rock garden or little alpine planters. It's been around for years, and oftentimes puts most of the new hybrids to shame due to its hardiness and durability.

Here's the old Campanula 'Birch Hybrid' (C. portenschlagiana × C. poscharskyana) in all its glory -- just covered with beautiful purple-blue, star-shaped bellflowers.

This is the rare but beautiful Sedum sieboldii 'Mediovarigatum' -- relatively rare for a Sedum due to its instability, which makes it difficult to propagate; beautiful for its multi-coloured leaves and stems.

This is one of my favourite Hostas, especially for a variety that is non-variegated, or has a solid-coloured leaf. In any case, H. 'Sun Power' is a great plant for its vigour and size, and its beautiful yellow-green leaves. As its name indicates, it is also relatively sun-tolereant.

The Perennial Sages are certainly in the Top 10 Perennials by Genus, likely on the coattails of popular varieties like 'May Night' (Mainacht) and 'East Friesland' (Ostfriesland). Below is the more recent variety 'Caradonna', one that I like for the contrast between the purple flowers and the dark stems. It is from Zillmer Nursery in Germany, and was discovered as a seedling of S. 'Wesuwe'.

Here's a pleasant combination in the butterfly garden, of Nepeta 'Walker's Low', a Weigelia, and Geranium × cantabrigiense 'Biokovo'.

A Dogwood of some sort, Cornus kousa would be my guess -- what a beautiful plant.

This is a very cool small tree called Old Man's Beard (Chionanthus virginicus), native to most of the eastern U.S. It is also known as White Fringetree.

We've enjoyed a lengthy Spring-season here this year.

Here's to dirt under your nails.

MPD, the coolplantsguy

Spring at Niagara Parks' Botanical Gardens, May 17th

2009-06-17T14:35:00.027-04:00

Here's another set of shots I took of various cool plants at their peak...

This is the plant that started it all for me -- Gentiana acaulis, the Stemless Gentian. There's just something about the blue, tubular flowers that I've been entranced with ever since I first saw pictures of them in catalogues and books. Now I make a special trip each spring just down the road to see them in the little alpine garden at the Niagara Parks' Botanical Gardens.

While the above plant, and the genus as a whole, is considered relatively exotic to most gardeners, it is interesting to note that a renowned expert is Dr. James Pringle of the Royal Botanical Gardens in Hamilton, Ontario.

The outstanding variegated Tuliptree, Liriodendron tulipifera 'Aureomarginatum'.

The very cool Camassia in full bloom. This plant was a food source for the native peoples of North America, as well as those on the expedition of Lewis and Clark.

A couple of unidentified ferns:

Here's another plant I love to admire and photograph -- Rodgersia (Rodger's Flower), a genus of about five species from China and Japan, named after U.S. navy commander Admiral John Rodgers.

Here's a near-perfect shot of the Japanese Painted Fern (Athyrium niponicum var. pictum) showing the pink-purple mid-ribs on the silvery leaves.

Here's what I believe to be Geranium himalayense 'Gravetye', although Armitage refers to this species as "summer-blooming". In any case, it was in full bloom here in mid-May, and very impressive, despite not being long-blooming like 'Rozanne'.

I'm not sure exactly what this is, but my guess is a Dogwood (Cornus sp.) of some type. But what a sight!

This is such a great Hosta, but unfortunately with an old, un-cool name: H. montana 'Aureomarginata'. In any case, it is a show-stopper every spring.

This grass-like Sedge, Carex elata 'Aurea' (Bowles' Golden Sedge) is well-known for its bright foliage, here showing a pleasant contrast with its dark "flowers".

It's funny -- in the UK (and certain parts of the U.S. I'm sure), this plant is described as a weed due to its spreading nature. Here in Niagara, where it is likely just hardy enough, it survives the winter well, and spreads only very slowly. In any case, Euphorbia grifithii 'Fireglow' is a unique beauty.

Here's to dirt under your nails.

MPD, the coolplantsguy

Tree Peony Eye Candy

2009-06-14T19:18:00.008-04:00

Here's some pics I took last month of some Tree Peonies blooming at the nursery.

'Hana-kisoi' (Floral Rivalry):

The Tree Peony is of Chinese origin, and dates back to before the year 750. They are essentially hybrids involving at least three species, P. suffruticosa, P. lutea, and P. delavayi. The hybrid selection is then grafted onto a herbaceous peony root stock.

'Howki' (Charming Age):

'Kamada-fuji' (Kamada Wisteria):

Spring at Niagara Parks' Botanical Gardens, April 26th

2009-05-23T20:21:00.007-04:00

Here's a few more pics of some cool plants a few weeks back at the Niagara Parks' Botanical Gardens...

The now popular, for obvious reasons, Sedum 'Angelina':

A very cool shot of Fritillaria imperialis:

A fern (my guess is Osmunda) emerging through some Corydalis:

An amazing shot of Pulsatilla vulgaris:

Nice back-light on Iris pallida 'Variegata':

An unidentified emerging fern:

An unidentified, but nicely lit, woody:

Spring!

2009-04-13T17:26:00.009-04:00

Well, spring is finally here -- below are a few pics I took at the Niagara Parks Botanical Gardens this past weekend...

Here's a good plant of Helleborus foetidus 'Wester Flisk' showing good, red stems -- the Bearsfoot Hellebore is a unique plant to say the least.

Here's Helleborus niger, the Christmas Rose in all its glory.

There's something "delicious" about Muscari, the Grape Hyacinth, outstanding here in a large stone planter.

Finally, Sedum 'Angelina', which is an absolute winner for "new introductions" in recent years.

Here's to dirt under your nails.

MPD

New Hellebores

2009-03-29T13:15:00.010-04:00

The genus Helleborus is unique in the world of perennials, and likely I would suggest, in the world of gardening as a whole. Their very early bloom time is essentially unparallelled. I can only think of Cyclamen coum, and a few of the early spring-blooming bulbs, as possible equals.

It was not long ago that Helleborus were relegated only to specialty nurseries, and at somewhat excessive prices. Nursery propagation was slow and tedious to say the best. In recent years however, they have thankfully become more readily available, and at more reasonable prices.

One of my favourites of a few years ago, is Helleborus Ivory Prince™ ('Walhelivor') from David Tristram of the UK. The bronze-pink buds open to a creamy-green-white flower, and their production is prolific.

More recently, I'm eager to try H. niger 'HGC Josef Lemper', a selection of the historic Christmas Rose by Joseph Heuger of Germany. The bright and pure white flowers are more upright and longer-lasting than older forms. I've even seen it available as a "pot plant" in some of the local grocery stores in December!

Finally, one that is "hot off the presses" and has many in the industry more than a little excited is H. 'Walberton's Rosemary', also from Mr. Tristram. It is supposedly a cross between H. niger and H. orientalis, which until recently had been highly sought after but nearly impossible to achieve. In any case, the flower colour and habit appears to be impressive.

You can read more about this beauty at Graham Rice's post, here.

In the meantime, here's to dirt your nails -- spring has finally arrived!

Cool New Plants for 2009 III

2009-02-22T12:50:00.012-05:00

OK, one more "New Plants for 2009" post before spring. We had a good thaw here a few weeks ago, but it's been up and down ever since. It's -8C at the moment, and I would expect that we will get one more good dump of the white stuff before April.

Cypripedium reginae (Showy, or Queen's Lady's Slipper) of course is not new, but I'm so excited that we finally have a decent crop of this exotic beauty, that's is certainly worth the honour. It is native to most of the provinces and states in North America's northeast quandrant, but is endangered or threatened in most of those areas. My crop has been produced via tissue culture -- not harvested from the wild. In the garden, it's not one for the average sunny border, but with an evenly moist, neutral to slightly alkaline soil in partial shade, it is not difficult. For some excellent photographs, click here.

Eryngium planum 'Jade Frost' is a wonderfully variegated version of the Flat Sea Holly, and originated in the Cornwall (UK) garden of James and Megan Cave. Most photographs show off the foliage with a dramatic pink tinge on the cream-edged green leaves -- this trait apparent during periods of cooler temperatures.

Less common are photographs of the plant in a mature state with the "blue" flowers. In either case, this is a definite "must-have" for any serious gardener.

Heuchera 'Beaujolais' is another excellent introduction from Frenchman Thierry Delabroye -- this one with large, dark leaves overlaid with silver. It is a great intermediate colour between the brighter types like 'Caramel', and the darker ones like 'Mocha'. As with most of Thierry's hybrids, there is significant H. villosa influence which should add to its vigour, especially with our hot, humid summers.

These are another three new plants I intend to add to my garden this spring. I hope you will too.

Here's to dirt under your nails.

MPD

Top 100 Botany Blogs

2009-02-22T12:39:00.003-05:00

A distance-learning website posted a 'Top 100 Botany Blogs' list which nicely included this Cool Plants blog under the sub-head of Horticulture.

As the home page states, this blogger is providing a platform for discussion of thoughts and experiences regarding on-line colleges/courses (U.S. based).

Cool New Plants for 2009 II

2009-01-11T20:26:00.005-05:00

Here's another sampling of new plants for 2009 -- and why I think they will be worth at least a try.

Brunnera 'King's Ransom' is a very cool variegated sport of the now classic 'Jack Frost' -- so just take those wonderfully silver leaves and add a creamy edge to each, and you've got the new 'King's Ransom'. It should be a pleasant addition to the shade garden, making an effective neighbour to something plain and dark such as a Heuchera.

The "parent" 'Jack Frost' is such a great and easy plant, that this new form should at least be decent. My realistic expectation however, is that 'King's Ransom' will be somewhat less vigorous, but hopefully this is not a problem. Another potential concern is the stability of the variegated characteristic -- hopefully it's not anything like the dreaded form 'Variegata'. In any case, I'm still looking forward to trying 'King's Ransom' -- hopefully I don't have pay one to obtain it.

Geranium 'Sandrine' is from Thierry Delabroye of France (the same breeder that has brought us all the wonderful new Heuchera villosa hybrids), and is being described as "'Ann Folkard' on steroids". I always found 'Ann Folkard' to be such a useful "design" plant (I'm no designer), with it's subtle golden foliage and weaving/sprawling habit, but that it still lacked something. The flowers of the newer 'Sandrine' are twice as large as the ones on 'Ann Folkard', and that could make all the difference.

Hemerocallis 'Fooled Me' has brilliant golden-yellow flowers with striking red eye-zone and matching picotee edge. It won the American Hemerocallis Society's Silver Stout Medal (the highest honour) award in 2005, and is known for its prolific flower production.

Here's to dirt under your nails.

MPD

A Worthy Perennial - Rodgersia (Rodger's Flower)

2009-01-04T09:15:00.007-05:00

It's always a pleasant surprise to come to a realization, after years in the horticulture industry, that "Hey, this plant is better than I thought." Or, in other words, discovering that a plant that has been around for a while (i.e. is not "new"), but is generally underused and/or under-appreciated.

Such, I've found, is the case with Rodgersia (Rodger's Flower), a genus of about five species from China and Japan, named after U.S. navy commander Admiral John Rodgers. I had always considered this plant to be relegated to consistently moist, rich soil and therefore intolerant of "normal" garden conditions. However, after several years (including most summers consisting of extended periods of relative drought) in my garden, I'm beginning to believe otherwise. It has performed consistently and with a subtle beauty -- it is what most plants-people would describe as typically "ornamental" or "architectural".

Here's a couple of photographs of a stand of what I believe to be R. pinnata 'Superba', although there is certainly some confusion amongst the taxonimists, likely due to the plants' propensity to hybridize.

Here it is again from a different angle, and a few weeks later in the season, providing a pleasant backdrop to Siberian Iris and a hardy Geranium.

There's many forms, including several new ones that may be of interest, but even the older forms, as above, are of significant use in the garden.

Here's to dirt under your nails.

MPD

Cool New Plants for 2009

2008-12-28T09:25:00.008-05:00

New plants still make the plant and garden world go around, at least for most that consider themselves interested in gardening as a hobby. Something new is usually something different, and experiencing some of that is half the fun.

This is despite frustrations in recent years, and therefore some current scepticism, and increased wariness. No doubt with current economic conditions, most will be more cautious in there purchase decisions.

For casual or non-hobby gardeners, new plants still provide, at least hopefully, improved forms and more colourful selections to choose from.

Here are a few that my nursery is offering as "new" for 2009:

Coreopsis 'Red Shift' is another introduction in the Big Bang™ series by Darrel Probst, and comes after eight years of hybridizing many species. Large (5cm, 2") yellow flowers boast an interesting red eye-zone, and in cooler weather, the red colour "runs" to cover most and somestime all of the petals. Plants reach 75-90cm (30-36") in height, and bloom from mid-summer through fall. It has overwintered in zone 5.

Below is a collage of some of the other hybrids that Darrel is working on. WOW!

Heuchera 'Plum Royale' is a cool new Heuchera (Coral Bells) from Terra Nova Nurseries (Oregon). I've always loved good ol' 'Plum Pudding', and 'Plum Royale' simply looks like an improved version of that classic variety. Terra Nova is promoting the fact that it maintains the shiny purple foliage all summer, and suggests combining it with silver-foliaged plants.

Hosta 'Rainforest Sunrise' is a cute small variety (45cm wide) with excellent golden-yellow leaves that are edged in dark green. The above photograph shows a plant in our trial gardens a couple years back, and was likely grown in too much sun. In any case, it still performed admirably, and it remains the brightest variety that I've seen to date.

Here's to dirt under your nails.

MPD

Cool Blog & Forum

2008-12-23T09:27:00.006-05:00

The web is such a monolith of information, it's often difficult to find new sites of interest. Here's two that I've discovered and recently enjoyed.

First is a great blog for all you avid gardeners: Garden Rant. I just posted a comment on Allan Armitage's blog re native plants this morning.

Another is the GardenWeb Forums. I check the Perennials section almost on a daily basis. It's full of good, simple information from, and exchanges between, mostly every-day gardeners (from across North America).

Here's to dirt under your nails.

MPD

Fall Colours

2008-11-20T19:26:00.003-05:00

It's been a while since my last post -- the end of summer has quickly progressed through autumn, and I didn't really get a chance to get out to take any pics recently, but here's a couple of cool plants with some lovely fall colours.

The first is a very cool Maple (Acer sp. -- I'm not sure which), I saw along Lakeshore Road in Niagara-on-the-Lake in October.

The second is Heucherella 'Stoplight' -- I've always been somewhat disappointed with this plant, but was impressed with it's "fall colours" the other day when I saw it in our nursery.

Here's to the last bit of dirt under your nails for 2008.

I hope to post a bit re. some new plants for 2009 in the coming weeks.

MPD

Not so Cool Tricyrtis virus?

2008-09-24T19:31:00.003-04:00

I've always been a fan of the Tricyrtis or Toad Lily, particularly for their late, orchid-like blossoms. It was only recently that I was to learn about the origins of the name, thanks to Dr. Armitage, who said it likely refers to the three toad-like bumps that are visible when you view a flower from the reverse angle. This makes sense to me.

Above is the variety 'Taipei Silk', and if you look closely at the bottom or rear of the buds that are just about to open, you can see the "toad-like" bumps.

In any case, they are beautiful flowers that provide subtle colour and exotic form to the late summer or fall, partially-shaded garden. However I was shocked to also learn recently that some of the "spotting" characteristics on some well-known cultivars, may be due to a virus. Chris Wilson of Hallson Gardens seems to be on the cutting edge of this discovery and writes about it here.

The above is the cultivar 'Empress" and may be part of the group that is virus-infected. It's unfortunate because this was one of my favourties for vigour and colour. This may lend to the question, "Who cares if it has a virus?"

Here's to dirt under your nails.

MPD

Cool Grass -- Molinia (Moor Grass)

2008-09-14T20:58:00.008-04:00

Ornamental grasses are a prominent feature of the late summer and autumn garden -- the more common Calamagrostis (Feather Reed Grass), Miscanthus (Maiden Grass, or Chinese Silver Grass), or Panicum (Switch Grass) are common, easy, and useful plants.

One slightly less known is Molinia (Moor Grass). A noted feature of most varieties within this genus are their "transparent" or "semi-transparent" habit. This is in reference to their relative low mound of foliage, and much taller but loosely-bunched "flowering" stems, through which the observer can see plants in the background.

The above shows the "semi-transparent" nature of Molinia 'Variegata' with Physostegia (Obedient Plant) visible behind it. Generally, the non-variegated varieties are even more useful for this purpose.

The above is Molinia 'Variegata' in all its glory on its own.

Here's to dirt under your nails.

MPD

Native Plants

2008-09-14T19:52:00.004-04:00

Here's a beautiful combination I saw the other day of late summer native perennials in a garden at the Niagara Parks' Botanical Gardens.

It's a relatively "hot" combination (i.e. hot colours) with the red Lobelia cardinalis (Cardinal Flower), the orange Helenium (Helen's Flower), and the yellow Solidago (Goldenrod -- looks like 'Fireworks' just beginning to open).

"Native" plants are all the rage in gardening circles, particularly those with an environmental consideration. I'm not a big "tree-hugger" but I do believe that the use of native plants makes sense for most gardeners. In a nutshell, I will support the fact that plants that originated in North America will generally be easier to grow in our gardens. Of course, we still have to take sun/shade (i.e. prairie/woodland), and other variables on occasion, into consideration.

In any case, this is a great combination with lots of colour for late summer and early fall.

Here's to dirt under your nails.

MPD

Angelica gigas, Purple Parsnip

2008-08-24T13:25:00.008-04:00

I remember seeing this plant as the "European Plant of the Year" back in the 90s, and being immediately intrigued by its size, foliage shape and the colour of its stems and flowers.

Angelica gigas, or Purple Parsnip, Purple Angelica or Korean Angelica, was introduced to North America by Barry Yinger, one of the principals at Asiatica Nursery, a cool mail-order company based in Pennsylvania. It is native to Japan, Korea and China.

It is usually listed as a biennial, although seedlings will take a couple of years to mature before flowering. It also self-sows readily in the garden under favourable conditions.

I've grown it in two gardens here in Niagara-on-the-Lake. It is definitely more striking in brighter light. It is also loved by the bees!

Here's to dirt under your nails.

MPD

Plant Snobbery

2008-08-19T11:49:00.012-04:00

I had the wonderful opportunity last week to see a presentation by Dr. Allan Armitage (Canadian; currently at University of Georgia).

Speaking at a local garden centre, his main point was to "have fun" while gardening. He reviewed several plants, telling us of their attributes, and a little bit about where they came from. He minimized the fact of whether a plant was a perennial, tender perennial, annual or tropical indoor plant -- if you like it in your garden, that's all that matters.

One suggestion he had re botanical names was to "Get the syllables in the right order, then fire away." In his book on perennials, he adds, "Don't worry about sounding silly; it is only the garden snob who continually tries to correct you. And who needs snobs in a garden?"

Good advice, I'd say.

Here's to dirt under your nails.

MPD

Cool Plants in Cool Light

2008-08-04T21:37:00.005-04:00

Sunlight does amazing things to cool plants...

Hosta 'June' in the nursery:

Canna 'Praetoria' (Striata) at Queenston Heights:

I didn't intentially plan the above shot this way, but it's definitely cool with the shadow of the flower falling near the centre on the leaf.

Here's to dirt under your nails.

MPD

Cool Plants - Two Lilies

2008-07-23T19:12:00.009-04:00

I've never been a big fan of Lilies (Lilium sp.), usually considering them too common, usual and a plant with otherwise overly-large and gawdy flowers, to be of much interest. Good ol' Oriental Lily 'Stargazer' is a beauty but essentially everywhere, and Asiatic Lilies are also nearly a dime for a dozen at any retailer in June.

A friend however got me onto L. martagon (Martagon or Turk's Cap Lily) a few years back, as an excellent plant for dry shade. I've since been enamoured with one called 'Moonyeen', a beautiful mid-pink selection.

More recently, I've been very impressed with an OT (Oriental/Trumpet hybrid or "Orienpet") variety called 'Orania'. It has buds that are strikingly brushed with pink, later opening to a perfect blend of creams and yellows. A two year-old plant consists of stems that are several cm in diameter, atop of which are dozens of flowers. The fragrance too, is delicious.

Here's to dirt under your nails.

MPD

All Those New Echinacea (Coneflowers)

2008-07-08T20:02:00.008-04:00

I know they've been all the rage for the last few years, ever since the Chicagoland Grows breeding program came out with Orange Meadowbrite. And then some Dutchman discovered the interesting double form eventually named 'Razzmatazz'. Since then, we've got the Big Sky(TM) series, the Conefections(TM) series, a couple more in the Meadowbrite series, and several more from Terra Nova.

Desipte all the hubris, my favourites remain 'Kim's Knee High', an outstanding relatively dwarf form with excellent branching, flower production and petal colour. Introduced by Niche Gardens and named for its founder Kim Hawks.

Also a favourite of mine, is the relativley new 'Green Envy', with unique green petals that eventually fade to a light pink. Some propagators have said this detracts from the plant, and have therefore been promoting another called 'Green Jewel' as one than has petals that remain green all the time. I disagree, and feel that the green petals of 'Green Envy' turning to pink are actually more unique and interesting than those that remain green.

In any case, all Echinacea (Coneflowers) are easy to grow in full sun and relatively drought tolerant once established. They do tend to self-seed a little bit, which makes the introduction of all these new hybrids into the garden, somewhat interesting.

For what's it worth, here's an interesting semi-double I found in our nursery the other day.

Here's to dirt under your nails.

MPD

Cool Plant Combos II

2008-06-30T21:27:00.011-04:00

Here's a few more suggested perennial plant combos...

First, an interesting combination of Iris sibirica 'Butter and Sugar', Tradescantia 'Concord Grape', and a Rose.

Second, good ol' Veronica spicata 'Red Fox', with the newer Coreopsis 'Autumn Blush'. I have generally found the latter not to be hardy here in zone 6, and so have been somewhat disappointed, but I am however, looking forward to trying the newer varieties as they become available. You can see some here.

Finally, here's one that I've loved for several years now, Campanula 'Kent Belle' with Aruncus aethusifolius. Similar combinations could be made with variations of the above and/or Campanula 'Sarastro' (generally better than 'Kent Belle'), Aruncus dioicus, Aruncus 'Horatio', or Aruncus 'Misty Lace'.

Here's to dirt under your nails.

MPD

Cool Plant Combos I

2008-06-23T21:48:00.006-04:00

One fun challenge of gardening is finding two, three or four plants that combine well with each other. One suggestion to see "what works" is to visit other gardens, whether it be your local city, botanical, or fellow-gardener's, they typically have something that we may find useful.

Here's a first set of a few suggestions re. plant combinations. This is a classic combination of "layers" or horizontal bands of colour: Geranium 'Brookside' in the foreground, Iris sibirica 'Butter and Sugar' in the middle, and a Rodgersia is the background.

Here's an interesting combination of perennials and trees/shrubs: Geranium 'Rosemoor', Hosta 'Paul's Glory', a Cornus (my best guess) and a Blue Spruce. The purples/blues of the Geranium, Hosta and Spruce create some harmony, in contrast with the white flowers of the Dogwood.

Finally, a favourite shot of mine, of the flowers of Iris sibirica 'Caesar's Brother' leaning over after a rain, and lying on top of Hypericum 'Albury Purple'.

Here's to dirt under your nails.

MPD

Favourite Peony

2008-06-09T20:33:00.006-04:00

Peonies are easily considered a "classic" perennial -- certainly the flowers are big, bold and beautiful. They are long-lived as most herbaceous perennials are concerned, and are generally easy in the garden. With recent advances in commercial propagation, newer varieties, including Tree Peony types, ITOH, and other "inter-sectional" hybrids are becoming more readily available.

My favourite of all is the herbaceous P. 'Flame', a 1939 introduction of American breeder Glasscock. It's simply a beauty with early single, and brilliant deep coral-pink flowers. It does not require staking.

An interesting source of information (and some excellent photography) is Carsten Burkhardt's Web Proj ect Paeonia.

Here's to dirt under your nails.

A Cool New Digitalis II

2008-05-29T21:27:00.006-04:00

Well, it turns out that my cool new Digitalis is an outstanding form of a variant of Digitalis purpurea that has turned up on occasion since the 1800s.

Graham Rice of the Royal Horticultural Society (RHS) in the UK made an excellent post on his blog re. my "new but old" plant over at his blog The Transatlantic Plantsman, including an intersting explanation from a former plantsman at the RHS.

In any case, if you Google "peloric Digitalis" you will find all sorts of interesing reading regarding this type of occassional variant.

Upon Graham's suggestion, I will isolate this plant and collect seed in attempt to create a new strain.

Here's to dirt your nails.

A Cool New Digitalis

2008-05-20T20:51:00.017-04:00

A very weird and wonderful Digitalis (Foxglove) was discovered by one of my growers at our nursery yesterday. It was one amongst several dozen D. purpurea 'Excelsior Hybrids'.

Although I have seen oddities before in certain plants, nothing quite as extraordinary as this.

Time will tell, with a few emails zipping around the world, whether it is truly of any horticultural significance. In the meantime, it is fun and otherwise a plain testimony to nature's wonderful variability.

Three Cool Rare Plants

2008-05-13T23:07:00.033-04:00

OK, so we took a peak at three relatively "new" plants (and more to come soon) in the last post. Here's a look at three cool "rare" plants. Of course, rare is relative, but they can be fun, simply because no one else has them yet.

Rare plants may or may not be new, in fact, some have been around for decades if not centuries, but remain rare by virtue of their difficult production in a commercial environment. In any case, they will not be available at your local garden centre. You might be able to obtain them at one of the links (mostly high-end mail order nurseries) below under 'Other Cool Plant Sites'.

These are plants that I have not tried before myself, but certiainly hope to in the near future. One that caught my eye was Eupatorium fortunei 'Pink Elegance' at Thierry Delabroye's nursery.

This is the same plantsman that has been introducing the latest Heuchera cultivars, e.g. 'Caramel', 'Tiramisu', 'Pistache', 'Pinot Gris', etc. In any case, I've always been a fan of variegated plants, and a variegated Eupatorium at 1m+ (3-4') would be very cool.

A very cool, but mysteriously rare plant so far in the horticultural industry, is Veronica 'Christy'. This is a hybrid of Veronica austriaca ‘Crater Lake Blue’ and V. prostrata discovered by Christy Hensler in Washington state. It has performed admirably in our trial gardens for a few years now.

Finally, another cool rare variegated plant, is Symphytum × uplandicum 'Axminster Gold'. For whatever reason, this plant is near impossible to produce commercially, but is an outstanding and tremendously colourful addition to the garden.

In my experience, this plant is easy once established and provides very dramatic colour in mid to late-spring. For a variegated plant, it is indeed bold and beautiful.

So, in addition to trying something new or cool, to be really different, try one of these rare plants.

Here's to dirt under your nails, and enjoy.

MPD

Three New Cool Plants I

2008-05-10T20:37:00.007-04:00

Most gardeners are interested in "what's new" as far as plant varieties are concerned. It provides us with an opportunity to be different than our friends, and to learn about and appreciate something that is, at the very least different from what we're use to, but also hopefully better or improved, than what most are used to.

These three plants are relatively new, but also tried and tested for a couple of years in trial gardens here in Niagara-on-the-Lake. The pictures were taken May 14, 2007.

The first is Geum 'Mango Lassi', which was introduced by Blooming Nursery of Oregon a few years back. It's origin or parentage is, as far as I can tell, unknown. In any case, it performed admirably and made a tremendous display of colour for several weeks in our trial garden last year. Try it with something that has silver foliage like Stachys 'Big Ears' (Lambs Ears) and/or a plant with similar colour like Physocarpus Coppertina.

The second is Euphorbia polychroma 'Bonfire', a new introduction a few years back via Blooms of Bressingham. It is a definite improvement upon older selections of the Cushion Spurge that had dark foliage but faded quickly to the usual grey-green. In any case, this one is a beauty with dark foliage that contrasts nicely with the chartreuse flowers in spring, and holds its colour nicely into the summer.

Finally, new varieties of Pulmonaria (Lungwort, Lords and Ladies) have been plentiful in recent years, but some have been prone to mildew and otherwise less than stellar. Pulmonaria 'Samurai' however (P. 'Majeste' × P. longifolia cevennsis) has performed like a star with clean silver foliage and brilliant near-blue flowers.

If you'd like to try something new this year, try one of these -- plants that have been tried and tested.

Here's to dirt under your nails.

MPD

Another Cool Native Plant, the Canadian Columbine

2008-04-30T20:56:00.014-04:00

Another native plant that I've really enjoyed growing in my garden is Aquilegia canadensis. It's sometimes called Wild, Red or American Columbine, but I prefer Canadian Columbine.

Photo from Cornell University, Cutler Botanic Garden

In any case, it's a beauty to combine with Hostas, ferns and other North American woodland natives in a shady garden. It's short-lived but self-seeds pleasantly, and is also relatively resistant to the nasty Columbine borer.

The common names, and my preference aside, the USDA does indicate that its distribution pretty much covers the eastern half of the North American continent.

One recent form that is particularly impressive is 'Little Lanterns' which is a shorter version, but also seemingly more prolific in it's flower production. Here's a two-year-old plant with an impressive number of flowers.

Even more recently, the Dyck Arboretum in Kansas, discovered and developed a pink-flowered version called 'Pink Lanterns'. I have yet to try it, but it looks promising and I can hardly wait.

Photo from Jelitto

Here's to the Canadian Columbine, and dirt under your nails.

MPD

A Spring Beauty I - Dicentra spectabilis 'Goldheart'

2008-04-27T20:58:00.009-04:00

One beauty that came out a few years ago and has since done well, is Dicentra spectabilis 'Gold Heart', with the usual pink and white flowers, but accompanied on this version, by brilliant golden-yellow foliage. The emergence of this plant in spring is truly a sight to behold.

It was developed by fellow-Canadians Nori and Sandra Pope while they were looking after the gardens at Hadspen House in Somerset, England. It has good vigour and simply wonderful colour.

Here it is brightening up the shady front of a Blue Spruce:

If you have not yet, please try it this year -- you will be pleasantly surprised.

Here's to dirt under your nails.

MPD

Spring

2008-04-08T20:03:00.010-04:00

Spring has finally sprung ... enjoy.

A cool red Helleborus (Hellebore) with interesting lighting.

Iberis (Candytuft), Aubrieta, and Phlox in a wonderful combination.

A Primula veris and Myosotis (Forget-me-Not)

A Primula and Myosotis (Forget-me-Not)

A Primula and Viola

A Cool Native Plant, the Canadian Bloodroot

2008-03-30T15:32:00.007-04:00

Here's a cool native (eastern North America, from Nova Scotia, west to Nebraska, south to Arkansas and northern Florida) plant that I've long been enamoured with -- Sanguinaria canadensis, the Canadian Bloodroot.

It is a unique plant in that the flower emerges first from the rolled-up foliage (it almost look like a cigar) in early spring, usually blooming here in Niagara in mid to late April.

Plants at nurseries can look a little sparse, but a single stem planted in the garden will quickly form a good-sized clump, as pictured, after a few years.

The common name, Bloodroot, comes from the reddish sap that is revealed upon the breaking of various plant parts, but particularly the roots.

A very cool, and longer-flowering, double form also exists, S. canadensis 'Multiplex'.

Here's to dirt under your nails! Spring is (finally) just around the corner.

MPD

Hardy Cyclamen

2008-03-02T20:39:00.009-05:00

Most will appreciate a good pot of the indoor or Florist's Cyclamen (typically seed strains derived from C. persicum) at some point during the winter. Their heart-shaped green, and often silver-mottled foliage and bright white, pink, red or purple flowers, in large or miniature forms, make it a wonderful addition to the indoor "garden".

Many gardeners however, are not aware that a few species of Cyclamen are hardy enough to survive most winters in Southern Ontario in the outdoor garden. Both C. coum and C. hederifolium are generally hardy to zones 5 or 6, possibly even lower if given good conditions.

Cyclamen coum is likely the easier of the two, and is typically all the rage among alpine gardners. It is quite variable in both flower colouration, leaf patterns, and overall size.

A few suggestions with the above plant: first, avoid the packaged "bulbs" available at some garden centres and big box stores, as these will likely be dried out and shrivelled up -- if possible buy actively growing plants from a specialty nursery in early spring or fall; second, do NOT plant too deep -- this tuber prefers to be just at or below the soil surface. Finally, it's a great plant for dry shade.

These are usually produced from seed, but a "clone" with fantastic foliage does exist via the tissue-culture pros at Terra Nova. It's called 'Something Magic', and I planted one or two last year, and am looking forward to seeing it perform this year.

Cyclamen hederifolium is a touch more difficult, although I've had several plants in a Niagara-on-the-Lake garden (zone 6) for several years, amongst some Dogwoods. It flowers in the fall with usually pink flowers, but also has some wonderfully silvered-mottled foliage. It is generally also recommending for dry shade, and again, don't plant too deep.

Check out these beauties grown as alpine specimens in pots.

Here's to dirt under your nails.

MPD

Harbingers of Spring

2008-02-20T20:18:00.006-05:00

In a nursery situation, the arrival of spring is typically somewhat ahead of "mother nature". I always find it thrilling to see the Hellebores and Primroses begin to strut their stuff.

Here's a couple of cool plants to whet your appetitie for the season that lies just ahead of us.

The genus Primula, or Primrose, is one among a few that originally initiated my interest in perennials. Its abundance of forms and brilliant colours intrigued me.

Here's a form of P. x pubescens, albeit out of "forcing" conditions for various trade shows we participate in during January through March. This is the plant that caused the "craze" during the Victorian age in England. For more details, see my article in a 2005 issue of The Epic Gardener.

Here's P. 'Silver Lace Black' already showing some blooms. A January-thaw encouraged this early display.

Here's to dirt under your nails.

A Cool Plant II, Brunnera macrophylla and all its wonderful forms

2008-02-05T20:42:00.000-05:00

For years, the plant Brunnera macrophylla or Siberian Bugloss remained in relative obscurity. The plain green-leaved form was a little dull for most, and the variegated forms at the time, B. macrophylla 'Variegata' and B. macrophylla 'Hadspen Cream' were rare.

The advent of tissue culture began to change that a decade or two ago, although many found 'Variegata' to be too unstable, both in production and in the garden, to be much good. I grew both in my Queenston garden for years, and while 'Variegata' was the more dramatic, 'Hadspen Cream' was ultimately the better plant. Be aware that most pictures of the latter on the web are deceivingly of the former.

And then came 'Jack Frost'...

I can remember seeing this plant for the first time, what may have in fact even been the very first plant, during a tour of Walters Gardens many years ago. A single pot sat on a bench, and Mary Walters acknowledged after I noticed it (WOW!), that it was a new plant they had discovered as a sport of the old variety 'Langtrees'. They intended to release it in a couple of years. And so indeed they did -- and the world of Brunnera macrophylla has never been the same.

Not long afterwards, we planted several in a shady garden amongst some White Pines, and they have performed admirably -- returning reliably each spring to produce a pleasant mound of wonderfuly silvery foliage, accompanied in the spring by loose clusters of tiny but brilliant blue flowers. I've never noticed a sinlge pest or disease bothering this plant, and by late summer, after weeks of high heat and humidity, and occassional periods of drought, the near dinner-plate size leaves remain in excellent condition.

A couple other varieties followed quickly on the heels of 'Jack Frost', namely 'Silver Wings' and 'Looking Glass', both of which I found rather uninspiring, with the former being too strange, and the latter being too similar (to 'Jack Frost').

More recently however, Walters Gardens has been at it again, and just released 'Emerald Mist', an "improved" form of the old 'Langtrees' with a more significant splash of silver spotting across the leaf. Even more exciting is a variegated form of 'Jack Frost' they are called 'King's Ransom', available this year exclusively through Great Garden Plants. Both of these are near the top of my current "wish list".

A Cool Plant I, Baptisia australis, The False Blue Indigo

2008-01-31T22:19:00.000-05:00

Here's a perennial that I've simply grown to love over the last few years. Earlier, it had always been somewhat of an oddity, but upon planting one in an older trial garden we had years ago, and in my own garden since then, it has been reliable and impressive.

I'm speaking of Baptisia australis, or the False Blue Indigo, native of Northern Virginia to Western Pennsylvania, east to Missouri and Kansas and south to Georgia and Texas (although the USDA seems to indicate a much wider range, which see here).

Small plants planted in your garden will, within a couple of years, produce large, almost shrub-like plants, 90cm wide by 120cm tall (3' by 4'), covered with Lupine-like spikes of brilliant, indigo-blue flowers in late spring and early summer.

According to Allan Armitage, in his ever-so-useful treatise on herbaceous perennials, the flowers were once used as a subsitute for the true indigo, Indigofera of the West Indies. When the real thing was in short supply, the English government contracted farmers in Georgia and South Carolina in the mid 1700's to "farm" the lovely False Blue Indigo, or Baptisia australis, to produce more dye.

In any case, it's a beautiful and easy plant. I find it self-seeds, but isn't a problem. The seedheads in late summer make interesting "rattles" for young children, and likely useful as ornaments in dried flower arrangements.

Also of particular interest in recent years, is the renewed effort in Baptisia selection and breeding. One I am quite excited about is Baptisia TWILITE PRAIRIEBLUES, an interesting hybrid between B. autstralis × B. sphaerocarpa.

A cool article on the genus by plantsman Tony Avent is available here. He refers to them as the Redneck Lupine, and for all intensts and purposes, Baptisia is indeed a much better choice for the usual summer heat and humidity experienced throughout most of North America.

Cheers,

MPD

A New Beginning...

2008-01-31T21:26:00.000-05:00

A passion remains, yet alive, and so a (yet another) new blog begins. Here's to plants, especially cool plants, better plants, but particulary to perennials (vivaces, stauden, vaste planten). I love them, and you should too.

They are majestic, in that they arise, of and by themselves, from the ground each year.

They are versatile, in that there are so many of them -- there is a perfect one for your specific situation.

They are beauty -- from foliage to flower, from giant to tiny, from wet to dry, there's one for you!

Please find following, a weekly posting of a "cool plant", usually a perennial, but occassionally otherwise.

Here's to dirt under your nails.

MPD