Archive for the hellebores Category

December GBBD: Past Prime

Posted in Camellias, Fall Color, Garden Blogger's Bloom Day, hellebores, Shade Perennials, Shade Shrubs, snowdrops, winter interest with tags , , , , , , , , , , , on December 13, 2011 by Carolyn @ Carolyns Shade Gardens

Carolyn’s Shade Gardens is a retail nursery located in Bryn Mawr, PA, specializing in showy, colorful, and unusual plants for shade.  The only plants that we ship are snowdrops within the US.  For catalogues and announcements of local events, please send your full name, mailing address, and cell number to carolyn@carolynsshadegardens.com and indicate whether you are interested in snowdrops, hellebores, and/or hostas.  Click here to get to the home page of our website for catalogues and information about our nursery and to subscribe to our blog.

Every year I make a Christmas wreath using all natural materials from my property.

It is the middle of the month and time to participate in Garden Blogger’s Bloom Day hosted by May Dreams Gardens where gardeners from all over the world publish photos of what’s blooming in their gardens.  I participate because it is fun and educational for me to identify what plants make my gardens shine at different times of the year.  I also hope that my customers will get some ideas for plants to add to their own gardens to extend their season well into late fall.

My garden is located in Bryn Mawr (outside Philadelphia), Pennsylvania, U.S., in zone 6B.


I used berries from this native winterberry holly, Ilex verticillata ‘Red Sprite’, to make the wreath.  On December 7, the robins came and cleaned off all the berries.

Last month was still prime time in my gardens, but now with hard frosts and generally colder weather, my gardens are past their prime.  The show goes on though with the focus shifted from the garden as a whole to individual plants peaking between November 15 and December 15 (I do not take all my photos on December 15).  This means that they bloom now (or are still blooming), have ornamental fruit, or feature exceptional foliage or fall color during this period.

Let’s start with flowers:

The large and vigorous fall-blooming snowdrop ‘Potter’s Prelude’ is in full bloom through this entire period.  Mine is surrounded by the marbled purple foliage of ‘Frosted Violet’ coralbells, Heuchera villosa ‘Frosted Violet’.  For more on fall-blooming snowdrops, click here.

Over the years, I have planted hundreds of giant snowdrops, Galanthus elwesii, and in the process have acquired plants that bloom in the fall instead of January when this species normally blooms.

I am always raving about the long bloom time of  ‘Shell Pink’ lamium so I thought you might like to see a photo of it in full bloom in December.  For more on lamium as a wintergreen groundcover, click here.

The buds on my paperbush, Edgeworthia chrysantha, have gotten large enough to show their beautiful silvery color and will remain ornamental until they start to open in March.

‘Zebrina’ hollyhock mallow, Malva sylvestris ‘Zebrina’, does not seem to be bothered by hard frosts.

Hellebores are one of the primary contributors to flowers during the winter months:

The spent flower heads of ‘Josef Lemper’ Christmas rose, Helleborus niger ‘Josef Lemper’, which has been blooming since early October, seem more ornamental when everything else has gone by.  Buds are forming at the base for the next wave of bloom.

Since November 15, another Helleborus dumetorum (no common name) has put out fresh foliage and covered itself in flowers.

The lighter chartreuse buds are forming on bearsfoot hellebore, H. foetidus, which will remain ornamental through May.

‘Jacob’ Christmas rose, Helleborus niger ‘Jacob’, is covered with buds just starting to open.

This photo might not look very exciting, but I am thrilled to see buds on my rare double Christmas rose, Helleborus niger ‘Double Fantasy’.  In all my years of collecting hellebores, I have only seen a double Christmas rose once in a garden.  Now I will be offering blooming plants to my customers in my 2012 snowdrop catalogue.

This is what ‘Double Fantasy’ will look like when it’s open.

My fall-blooming camellias are a mainstay of my garden right now.  The first three pictured below are Ackerman hybrids, which I profiled in Fall-Blooming Camellias Part 1:

This is the last flower on Camellia x ‘Winter’s Darling’.

Camellia x ‘Elaine Lee’ still has a few buds left .

Camellia x ‘Winter’s Joy’ has been flowering since October and is still covered with buds.

Fall-blooming Camellia oleifera is no longer covered with flowers but still continues to produce blooms when the weather warms up.

I was very lucky to receive as a gift this fully hardy, red-flowered Camellia japonica from Korea.  It has not yet been introduced for sale.  For more information on and photos of camellias, including this one, click here and here.

If you are just in it for flowers, then you can stop here because the last few plants rely on leaves to make their contribution.  However, foliage is very important for filling out the late fall garden, and I wanted to give you a few ideas:

Although they have dropped now, dwarf fothergilla, F. gardenii, holds its gorgeous fall leaves way beyond November 15.  For more information on this outstanding native shrub, click here.

Another woody with late fall color is ‘Shishigashira’ Japanese maple, Acer palmatum ‘Shishigashira’.

‘Magic Carpet’ spiraea, S. japonica ‘Magic Carpet’, is still displaying some of its gorgeous fall color right now.

‘Albury Purple’ St. John’s wort, Hypericum androsaemum ‘Albury Purple’, remains fully clothed in plum-colored foliage.

This is the first year that I have grown ‘Cool Splash’ southern bush honeysuckle, Lonicera sessifolia ‘Cool Splash’, but I am amazed to find that it looks like this right now.  For more information on this great native shrub, click here.

I have over 20 kinds of pulmonaria or lungwort in my garden providing me with beautiful flowers from February to April, but I appreciate them almost as much for their pristine foliage through early winter.

‘Diana Clare’ lungwort, Pulmonaria ‘Diana Clare’

Both native ‘Bronze Wave’ coralbells, Heuchera villosa ‘Bronze Wave’, and fall-blooming hardy cyclamen, C. herifolium, will look like this all winter.

My post, More Flowering Wintergreen Ground Covers of Shade, included several photos of Italian arum cultivars, which are great winter interest plants.  I won’t repeat those plants here but show you a seedling that appeared among my arum.  The leaves are more pointy and narrow than the species and the markings go beyond veining to cover the leaf.

Enjoy the last few days of fall,  Carolyn

Notes: Every word that appears in orange on my blog is a link that you can click for more information.  If you want to return to my blog’s homepage to access the sidebar information (catalogues, previous articles, etc.) or to subscribe to my blog, just click here.

Hellebores Part 6: Double Hellebores

Posted in hellebores, winter interest with tags , , , , , , , on September 11, 2011 by Carolyn @ Carolyns Shade Gardens

Carolyn’s Shade Gardens is a retail nursery located in Bryn Mawr, PA, specializing in showy, colorful, and unusual plants for shade.  The only plants that we ship are snowdrops within the US.  For catalogues and announcements of local events, please send your full name, mailing address, and cell number to carolyn@carolynsshadegardens.com and indicate whether you are interested in snowdrops, hellebores, and/or hostas.  Click here to get to the home page of our website for catalogues and information about our nursery and to subscribe to our blog.

Helleborus Winter Jewels™ ‘Peppermint Ice’ in my garden.

Hybrid hellebores are the most commonly available hellebores with the large, showy, nodding flowers in an amazing range of colors (click here and here to see photos).  In my article An Ode to Seed Strain Hellebores, I explained my fascination with the diversity found in hybrid helleboresI also love them because their leaves are evergreen, deer don’t eat them, and they are easy to grow in sun or shade.  They bloom from February often into May with dozens of very large colorful flowers.  My biggest clump produces over a hundred blooms per season.

Helleborus Winter Jewels™ ‘Golden Lotus’ in my garden.

But right now I am especially fond of them because they look pristine through extreme heat, extended drought, torrential rains, and brutal winters–the weather conditions we have experienced in the mid-Atlantic U.S. for the last couple of years.  You have to love a plant that wasn’t watered during the record-breaking heat and drought of the summer of 2010 and thrived.  That’s what mine did. 

Helleborus Winter Jewels™ ‘Sparkling Diamond’

My nursery customers are very interested in double-flowered hellebores, and although I usually prefer single flowers, I love double hellebores too.  They are so graceful and showy that  they really stand out in my gardens, eliciting questions and comments every time I give a tour.

Helleborus Winter Jewels™ ‘Onyx Odyssey’

However, until recently, I was reluctant to sell double hellebores unless they were in bloom.  I didn’t want my customers spending a lot of money on these expensive plants, and double hellebores are pricey, only to find they were singles a year or two later when they bloomed.  I myself fell victim to this when I “grew on” a flat of 72 supposedly double hellebores only to find that, when they bloomed three years later, 6 of them were actually double and the rest were single.

Helleborus Winter Jewels™ ‘Harlequin Gem’

One way to avoid this is by purchasing a double hellebore that is propagated by tissue culture.  However, as I explained in my previous post, then you have the same cookie cutter hellebore that everyone else has.  I prefer seed strain hellebores developed by a knowledgeable breeder to produce reliably double flowers within a defined color range.  This is what Marietta O’Byrne at Northwest Garden Nursery in Eugene, OR, has accomplished with her Winter Jewels™ strain of double hellebores.  Winter Jewels™ hellebores produce beautifully formed double flowers in the color range promised but with the exciting diversity of a seed strain, making each gorgeous bloom slightly different.

Helleborus Winter Jewels™ ‘Jade Tiger’: this photo shows the variation of flowers for ‘Jade Tiger’, which is green with varying highlights.

I grow ‘Onyx Odyssey’, ‘Peppermint Ice’, and ‘Golden Lotus’ in my gardens and have been very pleased with their flowers.  I was also pleasantly surprised when they bloomed at a very young age on tiny plants added to my garden last fall.  For more information about and photos of Winter Jewels™ hellebores, visit the Terra Nova Nursery website and view their entry on each cultivar.  Unless indicated, the photos in this post are courtesy of Terra Nova Nursery.

Helleborus Winter Jewels™ ‘Peppermint Ice’ in my garden.

If you are a local customer of my nursery, see Nursery Happenings below for details about purchasing double hellebores.

Carolyn

This is part of a series of articles on hellebores, one of the specialties of my nursery.  Here are links to the other articles:

Part One        Hellebores for Fall

Part Two       An Ode to Seed Strain Hellebores

Part Three   Christmas Rose: The Perfect Hellebore

Part Four      Dividing Hybrid Hellebores

Part Five       The Sex Lives of Hellebores

Part Six          Double Hellebores

Part Seven   Cutting Back Hellebores

Notes: Every word that appears in orange on my blog is a link that you can click for more information.  If you want to return to my blog’s homepage to access the sidebar information (catalogues, previous articles, etc.), click here.

April GBBD: How to Choose

Posted in bulbs for shade, Garden Blogger's Bloom Day, hellebores, native plants, Shade Perennials, Uncategorized with tags , , , , , , , , , , , on April 14, 2011 by Carolyn @ Carolyns Shade Gardens

Carolyn’s Shade Gardens is a retail nursery located in Bryn Mawr, PA, specializing in showy, colorful, and unusual plants for shade.  The only plants that we ship are snowdrops and miniature hostas.  For catalogues and announcements of events, please send your full name, location, and phone number (for back up use only) to carolyn@carolynsshadegardens.com.  Click here to get to the home page of our website for catalogues and information about our nursery and to subscribe to our blog.

Time is just flying by, and we have reached the middle of the month when I encourage each of you to walk around your garden and assess what you need to add to make early spring an exciting time in your landscape.  Do you need more early flowering trees like magnolias and cherries to give you a reason to stroll in your garden?  Could your garden benefit from flowers that bloom in early April like native spring ephemerals, bulbs, pulmonarias, and hellebores?

Make a list and take photographs so that when you are shopping this spring you know what you need and where it should go.  It’s beautiful outside, and you never know what you might find hiding in your garden like this ethereal double-flowered hellebore (pictured above), which I discovered during my own  inventory.  Usually I recommend a local garden to visit for inspiration, but I have to say Carolyn’s Shade Gardens is pretty inspiring right now!

Flowering quince, Chaenomeles x superba ‘Texas Scarlet’, with ‘White Lady’ hybrid hellebore

Today is Garden Blogger’s Bloom Day for April when gardeners around the world show photos of what’s blooming in their gardens (follow the link to see  photographs from other garden bloggers assembled by Carol at May Dreams Gardens).  Here are  some more highlights from my mid-April stroll through Carolyn’s Shade Gardens, but to see it all you will have to visit as Jean from Jean’s Garden and Jan from Thanks for Today are doing this Sunday.

My early magnolias are in full bloom.  Magnolias are my favorite flowering trees, and I want to share these early-blooming varieties with you:

Northern Japanese Magnolia, Magnolia kobus ‘Wada’s Memory’, has the most beautiful form of any magnolia.  The branches curve upwards to form an elongated pyramid, which is maintained even on mature plants.

‘Wada’s Memory’ flower

Star magnolia, Magnolia stellata, blooms so early that it often gets damaged by frost, but amazingly the flowers are magnificent this year.

Star magnolia flowers

I have waited over 15 years for my Yulan magnolia, Magnolia denudata, to bloom, but once I saw mature trees at Longwood Gardens, I had to have one!  It was worth the wait.

My ingenious 13-year-old son used a grappling hook to pull a branch down and clip a Yulan magnolia flower for me to photograph.

There are so many beautiful hellebores in bloom that I made collages of my favorite flowers so that this whole post wasn’t dedicated to hellebores:

Clockwise from upper left: seedling double hybrid hellebore, ‘Mrs. Betty Ranicar’, ‘Velvet Lips’ (don’t you love that name?), ‘Painted Bunting’

Clockwise from upper left: seedling petaloid hybrid hellebore, ‘Blue Lady’, Helleborus x nigercors ‘Green Corsican’ (cross between Corsican hellebore and Christmas rose), seedling in ‘Double Melody’ strain

Clockwise from upper left: double from ‘Golden Lotus’ seed strain, ‘Raspberry Mousse’, ‘Goldfinch’, seedling petaloid hybrid hellebore

I could dedicate the whole post to epimediums too so here are more collages:

Clockwise from upper left: ‘Yubae’, Epimedium x rubra, ‘Cherry Tart’, ‘Sweetheart’

Clockwise from upper left: ‘Shrimp Girl’, ‘Orange Queen’, Epimedium x warleyense, ‘Cupreum’

I have a collection of about 15 varieties of European wood anemones, and April is their time to shine.  They are very easy to grow in shaded woodland conditions:

Left to right from upper left: Anemone nemorosa pink form; Anemone x seemanii; ‘Alba Plena’; ‘Leed’s Variety’; ‘Bractiata’; ‘Allenii’; ‘Vestal’; Anemone ranunculoides; ‘Wyatt’s Pink’

European wood anemones spread to form a sizable and eye-catching patch even in dry shade, photo above of the yellow flowers of Anemone ranunculoides.

I want to share so many exciting blooming plants with you that I don’t know how to choose the photographs to include, hence the title of this post.  Here are other plants that made the cut:

Red lungwort, Pulmonaria rubra ‘Redstart’, is a very unusual pulmonaria with green fuzzy leaves.

Winterhazel, Corylopsis species, unfortunately for the first time ever our late freezes damaged most of the flowers.

Obviously not a bloom, but I wanted to show you the early color of native variegated dwarf Jacob’s ladder, Polemonium reptans ‘Stairway to Heaven’.

Native rue anemone, Anemonella thalictroides double pink form

I planted a mixture of daffodils in the middle of my raised beds, and this lovely seedling appeared in the path.

Native cinnamon fern, Osmunda cinnamomea, is gorgeous as it unfurls.

A seedling Helleborus multifidus underplanted with the spring ephemeral  Cardamine quinquefolia.

The many colors of Corydalis solida when allowed to seed.  I am planning an article on this plant in the future.

Who could have planned this combination?  Native coral bells, Heuchera villosa ‘Caramel’, with a seedling glory-of-the-snow, Chionodoxa forbesii.

The new leaves and flowers of Japanese coral bark maple, Acer palmatum ‘Sango-kaku’, are breathtaking in early spring.  For the full story on this four season tree, read my article Coral Bark Maple.

My latest spring-blooming camellia addition, Camellia x ‘April Rose’, a formal double.


For breath-taking beauty in early spring you can’t beat cherry trees:

A very mature Yoshino cherry, Prunus x yedoensis, that came with our property.  I love the fleeting nature of the flowers and look forward to the day every spring when it rains petals in my nursery.  Its orange fall color is spectacular.

My favorite cherry (at least for today), Prunus x incam ‘Okame’, dominates my courtyard garden in early spring.


I will end with a heart full of cherry blossoms because I love early spring!

Please let me know in a comment/reply what flowers are blooming in your early spring garden.  If you participated in GBBD, please provide a link so my nursery customers can read your post.

Carolyn


Notes: Every word that appears in orange on my blog is a link that you can click for more information.  If you want to return to my blog’s homepage to access the sidebar information (catalogues, previous articles, etc.), just click here.

Nursery Happenings: My second open house sale is this Saturday, April 16, from 10 am to 3 pm, featuring early spring-blooming plants for shade.

The Sex Lives of Hellebores

Posted in hellebores, winter interest with tags , , , , , , , , , , , , , on March 26, 2011 by Carolyn @ Carolyns Shade Gardens

Carolyn’s Shade Gardens is a retail nursery located in Bryn Mawr, PA, specializing in showy, colorful, and unusual plants for shade.  The only plants that we ship are snowdrops and miniature hostas.  For catalogues and announcements of events, please send your full name, location, and phone number (for back up use only) to carolyn@carolynsshadegardens.com.  Click here to get to the home page of our website for catalogues and information about our nursery and to subscribe to our blog.

The green halo in this beautiful hybrid hellebore flower probably results from the influence of H. torquatus, which is characterized by a pale collar around the center of the flower.

Hybrid hellebores, Helleborus x hybridus (the Royal Horticultural Society approved name, previously called Lenten rose or Orientalis hybrids), are the most commonly available hellebores with the large, showy, nodding flowers in an amazing range of colors (click here and here to see photos).  In my article An Ode to Seed Strain Hellebores, I explained my fascination with and love of the diversity found in hybrid hellebores .

I described how, unless tissue cultured, you can’t be sure what a hybrid hellebore  flower will look like unless it is in bloom.  But I pointed out that to me that is the magic of hybrid hellebores: each plant is a unique individual, with the potential for inheriting genetic material from any of the 9 species hellebores that could be its parents.  In this article, I want to explain exactly where hybrid hellebores come from and introduce you to their parents.  If you want to skip the technical discussion, photos of the parent species are at the end of the article.  I won’t be insulted.

The leaves of ‘Metallic Blue Lady’ hybrid hellebore come out a deep glossy purple showing the influence of H. atrorubens, which can have the same attribute.

The genus Helleborus contains between 12 and 21 species, depending on who is counting, but I usually stick with the 15 described by Brian Mathew, Royal Botanic Gardens, Kew, in his authoritative work Hellebores (Alpine Garden Society 1989).  Six of these species are not relevant to our discussion here.  The other nine species are the parents of hybrid hellebores.  They are H. atrorubens, H. cyclophyllus, H. dumetorum, H. mulitifidus, H. odorus, H. orientalis, H. purpurascens, H. torquatus, and H. viridis.

These nine hellebore species have crossed and re-crossed naturally and through human intervention by hellebore breeders  over hundreds of years to produce hybrid hellebores.  That is why hybrid hellebores are so variable: they can have the characteristics of any of these nine species in their background in infinite combinations.  And it is impossible to be sure which species a particular hybrid hellebore has in its genetic makeup, although flower and leaf characteristics can often lead one to speculate that a particular parent might be predominant (see two photos above).

The species themselves are also incredibly variable in the wild, often freely crossing  with each other,  making them difficult to identify.  For a discussion of just how variable, read Chapter 3 in Hellebores: A Comprehensive Guide by J. Tyler and C. Burrell (Timber Press 2006).

This very beautiful but clearly hybrid hellebore was sold to me as H. purpurascens.

I was a hellebore fanatic long before I became a galanthophile (see my article Snowdrops: Further Confessions of a Galanthophile), and over the years I have collected, grown, and, in some cases, sold to my customers all 15 species, which are all very beautiful in their own right.  In addition, I have attempted to acquire them from as many different sources as possible in order to get plants that I consider the most true to type.   Many of my plants were grown from seeds collected in the wild by Will McLewin of Phedar Nursery in the U.K. You would be amazed at what I have been sold as species hellebores (see photos above and below).

These four plants were all sold to me as H. atrorubens.

So over the years, through trial and error, I have developed what I jokingly call the “U.S. National Species Hellebore Collection”, and I present them to you.  But please remember that I have never actually seen these plants in the wild.

Helleborus cyclophyllus

Helleborus cyclophyllus is native to the open dry hillsides and woods of Greece,  Albania, the former Yugoslavia, and Bulgaria.  Its name means with leaves in a circle.  It is quite fragrant and not ornamentally distinct from H. odorus,  fragrant hellebore.  All the chartreuse-flowered species hellebores look gorgeous in combination with red- and purple-flowered hybrids.

Helleborus atrorubens

Helleborus atrorubens is native to dry hillsides and woodland margins of the former Yugoslavia.  Its name means dark red, and it gives purple and red colors to hybrid hellebores.  It can also contribute the desirable attribute of leaves that emerge  dark purple.

Helleborus dumetorum

Helleborus dumetorum is native to the mountainous woods and thickets of Austria, Romania, the former Yugoslavia, and Hungary.  Its name means of thickets and hedgerows.  At 8 to 12″ (all the others are 12 to 20″), it is the smallest hellebore species and looks like a miniature.  Its multiple skinny leaflets give it a feathery appearance.

Helleborus purpurascens

Helleborus purpurascens is native to light woodlands and meadows throughout eastern Europe.  Its name means purplish, and it usually doesn’t exceed 12″ tall.  It is my favorite of the species both for its gorgeous and unusual flowers and its circular, filigreed leaves.  It must be more stable in the wild because every plant I have acquired looks similar to the photos above.

Helleborus odorus (Fragrant Hellebore)

Helleborus odorus is native to woodland margins and thickets of Hungary, Romania, and the former Yugoslavia.  Its name means fragrant, and it is one of the more commonly grown species.  On warm days, H. odorus and H. cyclophyllus perfume my whole species hellebore area.  I have never noticed that this trait was passed on to any hybrid flower.  As noted above, it is not ornamentally distinct from H. cyclophyllus.

Helleborus torquatus

Helleborus torquatus is native to light deciduous woods and clay soil of the  former Yugoslavia.  Its name means with a collar, referring to the pale ring around the neck of the flower, which you can see in the photo above.   Its leaves have 15 to 25 long tapering segments giving the whole plant a unique spidery look.   It produces double flowers in the wild and also contributes purple and blue color and metallic highlights to the hybrids.  It is the rarest of the species in this article, and I have only been able to acquire it from one source.

Helleborus viridis (Green Hellebore)

Helleborus viridis is unusual culturally and geographically because it is native to the moist deciduous woods and meadows and clay soil of western Europe and the U.K.  Most of these species hellebores require well-drained soil and are native to eastern Europe.  Its name means green, and its flowers are certainly the best green of the species.  I find them quite beautiful.

Helleborus orientalis (Lenten Rose)

There are three subspecies of Helleborus orientalis, the Lenten rose.  The photos above are of  a plant sold to me as H. orientalis subsp. abchasicus.  However, because of the green carpels and spotted flowers, I am inclined to think it is subsp. guttatus. The seed came from well known hellebore expert Will McLewin.  It is native to open fields as well as scrub and woodlands of the Caucasus Mountains where Europe meets Asia, which explains its name meaning of the Orient. Most hybrid hellebores are derived at least in part from H. orientalis, which is why they were originally called Orientalis hybrids.

Helleborus multifidus

Helleborus multifidus is native to the deciduous woods and open scrubland of Italy, the former Yugoslavia, and Albania.  Its name means much divided, referring to its beautiful frilly leaves.  I grow three of its four subspecies, which I treasure for their foliage, and two are pictured below.

Helleborus multifidus subsp. bocconei is a variant from central and southern Italy and Sicily named for a Sicilian botanist.  It is said to be a better garden plant than the other subspecies and certainly makes a gorgeous lacy statement in my gardens.

Helleborus multifidus subsp. hercegovinus is native to Bosnia and Herzegovina.  It is definitely harder to grow but well worth the effort for its extraordinary leaves, which can be divided into 100 leaflets.

I hope you have enjoyed my photo gallery with short descriptions for each of the nine hybrid hellebore parents.  I have spared you many details that interest me as a collector.  I felt that this was enough to take in in one article.  I should probably also mention that none of the photos above picture the true leaves of the plants, which come out after the flowers.  What you are seeing above are the bracts, which are part of the flower stem and often reflect the leaf characteristics.  If readers are truly interested, I could photograph the leaves, which in many cases are extraordinary, for a later article.

I would really appreciate reader feedback on your experiences with these species, and I would especially like to know if you think any of them are mislabeled and why.

Caroly

This is part of a series of articles on hellebores, one of the specialties of my nursery.  Here are links to the other articles:

Part One        Hellebores for Fall

Part Two       An Ode to Seed Strain Hellebores

Part Three   Christmas Rose: The Perfect Hellebore

Part Four      Dividing Hybrid Hellebores

Part Five       The Sex Lives of Hellebores

Part Six          Double Hellebores

Part Seven   Cutting Back Hellebores

Notes: Every word that appears in orange on my blog is a link that you can click for more information.  If you want to return to my blog’s homepage to access the sidebar information (catalogues, previous articles, etc.), click here.

Nursery Happenings: I sell several of the species hellebores pictured above so if you are interested send me an email (no mail order).  My next nursery event is Bulb and Native Wildflower Day on April 9 from 10 am to 2 pm.

Thanks from Tara:

In my post I Need Your Help, I asked you to send cards to Tara, the five-year-old daughter of Kartik whom I profiled inNew Year’s Resolution to Edit the Garden. Tara had recently been diagnosed with leukemia.  As a result of your generosity, Tara received cards from all over the world and has sent you one in return.


March GBBD: The Philadelphia International Flower Show

Posted in Garden Blogger's Bloom Day, hellebores, snowdrops, winter, winter interest with tags , , , , , , , , , , , , , , , , , , , , , , , , on March 14, 2011 by Carolyn @ Carolyns Shade Gardens

Carolyn’s Shade Gardens is a retail nursery located in Bryn Mawr, PA, specializing in showy, colorful, and unusual plants for shade.  The only plants that we ship are snowdrops and miniature hostas.  For catalogues and announcements of events, please send your full name, location, and phone number (for back up use only) to carolyn@carolynsshadegardens.com.  Click here to get to the home page of our website for catalogues and information about our nursery and to subscribe to our blog.

It is time to walk around your garden again and assess what you need to add to make the beginning of spring an exciting time in your landscape.  Do you need more early-blooming hellebores, to give you a reason to go outside?  Could your garden benefit from flowers that bloom in early March like hardy cyclamen, snow crocus, or snowdrops to relieve the gray?

Make a list and take photographs so that when you are shopping this spring you know what you need and where it should go.  I know it’s still pretty cold outside, but you never know what you might find to end the winter doldrums like the beautiful double-flowered hellebore (pictured above), which I discovered during my own  inventory.  More photos of my blooming plants are included at the end.

As you entered the 2011 Philadelphia International Flower Show, you walked under a very large replica of the lower half of the Eiffel Tower

If you need ideas, there is no better place to go in the mid-Atlantic this time of year than the 2011 Philadelphia International Flower Show.  It is the largest indoor flower show in the world.  This year’s theme was “Springtime in Paris”, and the designers went all out.  I sent photos of some of the weirder stuff to Cheri at Along Life’s Highway The Yard Art Game, and you can see them by clicking here.  But I found the following displays and entries inspirational for my own garden:

There is nothing more beautiful than an individual well grown plant

A new idea for my sedum displays, which are fantastic in containers

Inspiration to upgrade my troughs

I need an elegant metal gate for my walled compost area

Simple can be very beautiful

Today is Garden Blogger’s Bloom Day for March when gardeners around the world show photos of what’s blooming in their gardens (follow the link to see  photographs from other garden bloggers assembled by Carol at May Dreams Gardens).  Here are  some more highlights from my mid-March stroll through Carolyn’s Shade Gardens:

Eranthis hyemalisWinter aconite, Eranthis hyemalis

Scilla mischtschenkoanaVery early-blooming Tubergen squill, Scilla mischtschenkoana

My original snow crocus, Crocus tommasinianus, which is rodent resistant, has multiplied into thousands of plants

Winter jasmine, Jasminum nudiflorum, has no scent but makes up for it by blooming so early

Winter-blooming hardy cyclamen, Cyclamen coum ‘Rose’

I want to include hundreds of hellebore photos but am limiting myself to some really special plants:

The rare species Helleborus purpurascens

The flower of Helleborus purpurascens

Another even rarer species Helleborus viridis: inspired by Laura at PatioPatch, I am dedicating this flower to the people of Japan because green is the color for hope

A cross between Corsican hellebore and Christmas rose, Helleborus x nigercors ‘Honeyhill Joy’

A very beautiful anemone-centered hybrid hellebore where the nectaries have become petal-like (petaloid)

Another petaloid hybrid hellebore

‘Blue Lady’ hybrid hellebore

Hybrid hellebore with picotee markings (darker edges, veins, and nectaries)

A very good yellow hybrid hellebore with maroon nectaries

Some of the thousands of common snowdrops, Galanthus nivalis, which have multiplied on my property since the 1800s:

Common snowdrop with Italian arum, Arum italicum ‘Pictum’

Common snowdrop with Heuchera ‘Creme Brulee’ displaying its winter color

Some of my very special snowdrop cultivars:

Galanthus 'Ophelia'Double-flowered Galanthus ‘Ophelia’

The unusual species with pleated leaves, Galanthus plicatus subsp. byzantinus

Galanthus 'Lady Beatrix Stanley'Galanthus ‘Lady Beatrix Stanley’

Galanthus nivalis 'Blewbury Tart' at Carolyn's Shade GardensThe crazy upward facing double, Galanthus nivalis ‘Blewbury Tart’

Galanthus 'Flore Pleno' at Carolyn's Shade GardensThe double-flowered common snowdrop, Galanthus nivalis ‘Flore Pleno’

The only yellow-flowered double, Galanthus nivalis ‘Lady Elphinstone’

A beautiful yellow snowdrop, Galanthus plicatus ‘Wendy’s Gold’

Please let me know in a comment/reply what flowers are blooming in your early spring garden.  If you participated in GBBD, please provide a link so my nursery customers can read your post.

Carolyn


Notes: Every word that appears in orange on my blog is a link that you can click for more information.  If you want to return to my blog’s homepage to access the sidebar information (catalogues, previous articles, etc.), just click here.

Nursery Happenings: I have five spaces left for my March 19 Hellebore Seminar (March 18 is sold out).  For the brochure and registration information, click here.  My first open house sale is Saturday, March 26, from 10 am to 3 pm, featuring hellebores and other winter-blooming plants.

Dividing Hybrid Hellebores

Posted in hellebores, How to, Shade Perennials with tags , , on March 8, 2011 by Carolyn @ Carolyns Shade Gardens

Carolyn’s Shade Gardens is a retail nursery located in Bryn Mawr, PA, specializing in showy, colorful, and unusual plants for shade.  The only plants that we ship are snowdrops and miniature hostas.  For catalogues and announcements of events, please send your full name, location, and phone number (for back up use only) to carolyn@carolynsshadegardens.com.  Click here to get to the home page of our website for catalogues and information about our nursery and to subscribe to our blog.

Spring Planting Issue 2006, Horticulture Magazine

Back when I was writing for gardening magazines, I authored an article for Horticulture on dividing hybrid hellebores.  I suggested the topic because so many gardeners think hybrid hellebores are difficult to grow and wouldn’t think of dividing them.  Nothing could be further from the truth: they are easy to grow and propagate by division.

Horticulture photo shoot in my woodland

Hybrid hellebores are an ideal plant with their large flowers, which are ornamental in the mid-Atlantic from February (and sometimes earlier) to May, substantial wintergreen leaves, and resistance to deer.  For photographs of the full range of their colors, please read my article An Ode to Seed Strain Hellebores by clicking here.

Horticulture photo shoot at my potting bench

Reproduced below is my step-by-step guide to dividing a hybrid hellebore.  You probably can’t read the fine print so I will narrate the high points to go with the photos.

Hybrid hellebores are expensive relative to other perennials because it takes three to five years for them to bloom.  An economical way to increase your supply is to divide your own desirable plants.  The method outlined below can also be applied to all species hellebores except Majorcan hellebore (Helleborus lividus), Corsican hellebore (H. argutifolius), and bearsfoot hellebore (H. foetidus).  However, the most beautiful hybrid hellebore specimens in my garden are my large clumps that have never been divided.  They are four feet across and have hundreds of flowers.  I only divide a hellebore if  it is so special that I can’t replicate it without division.

For your first experience with dividing a hellebore, select a plant with between five and ten flowers, older plants are too woody.  I always divide my hellebores as they are coming into bloom because each flower represents a potential division.  Insert your spade in a circle all the way around the plant and pry it out of the ground as shown in the photos for steps 1 and 2.  Shake it to remove excess soil and then wash away the remaining soil to reveal the extensive root system as shown in step 3.

Before you attempt any cuts, please make sure you have a heavy duty knife that is very sharp, preferably with serrations on some portion of the blade.  Hellebores have very extensive, woody root systems and dividing them with an inadequate tool can be dangerous.  Make your cuts where you see natural divisions in the root system as shown in the photo for step 4, including some roots, woody rhizome, and flower stems in each division.  For your first attempt, separate your plant into no more than three divisions.

Plant your new divisions in full shade to almost full sun.  Dig the hole as shown in the photo for step 5 and mix the existing soil with an equal amount of compost before replanting.  Firmly tamp down the soil, water well, and mulch with ground leaves.  Although you should water until frost for the first season, hybrid hellebores require no supplemental water once established even in droughts.  I never water or fertilize my hellebores, but I do apply ground leaves yearly.

These  are some of the hybrid hellebores that I think are so special that I would consider dividing them

This is the method I use to divide almost all plants, not just hellebores.  I often read in gardening books that you should cut off a portion of the plant while it’s still in the ground and wonder if the writer has ever tried that method.  Only by digging the whole plant up can you avoid injury to the plant by viewing the unique way each individual plant needs to be divided.

Since writing this, I discovered that none other than the famous Gertrude Jekyll and I agree on this point.  In 1898, in Wood and Garden, she wrote: “I never divide things by brutally chopping them across with the spade….The only safe way [to divide a Christmas rose] is to wash the clumps well out and look carefully for the points of attachment, and cut them either with knife or chisel….”

Please let me know in a comment/reply about your experiences with dividing hybrid hellebores.

Carolyn

This is part of a series of articles on hellebores, one of the specialties of my nursery.  Here are links to the other articles:

Part One        Hellebores for Fall

Part Two       An Ode to Seed Strain Hellebores

Part Three   Christmas Rose: The Perfect Hellebore

Part Four      Dividing Hybrid Hellebores

Part Five       The Sex Lives of Hellebores

Part Six          Double Hellebores

Part Seven   Cutting Back Hellebores

Notes: Every word that appears in orange on my blog is a link that you can click for more information.  If you want to return to my blog’s homepage to access the sidebar information (catalogues, previous articles, etc.), just click here.

Nursery Happenings: I am currently accepting orders for snowdrops, including  mail orders.  For the catalogue and order information, click here.  I am taking reservations for my March 18 & 19 Hellebore Seminars.  For the brochure and registration information, click here.  The March 6 session of Charles Cresson’s Snowdrops and Other Winter Interest Plants Seminar has been rescheduled for March 13 and has a few spaces left.  For the brochure and registration information, click here.

Christmas Rose: The Perfect Hellebore

Posted in hellebores, Shade Perennials, winter interest with tags , , , , , on March 2, 2011 by Carolyn @ Carolyns Shade Gardens

Carolyn’s Shade Gardens is a retail nursery located in Bryn Mawr, PA, specializing in showy, colorful, and unusual plants for shade.  The only plants that we ship are snowdrops and miniature hostas.  For catalogues and announcements of events, please send your full name, location, and phone number (for back up use only) to carolyn@carolynsshadegardens.com.  Click here to get to the home page of our website for catalogues and information about our nursery and to subscribe to our blog.

The pure white, outward-facing flower of Christmas rose, Helleborus niger

In the rush to seek out the newest and rarest hellebores on the market,  I am afraid that gardeners are neglecting to explore fully the wonderful qualities of the Christmas rose, Helleborus niger.  Christmas rose is a  species hellebore no garden should be without.  In addition, recently introduced cultivars have made this species a must have for gardeners seeking fall and winter interest.

The smooth, blue-green leaves of Christmas rose are pristine and beautiful and often have red stems

Christmas roses have been in cultivation for hundreds of years and are a very distinctive species hellebore with little variation in the wild.  They are native to woodlands and open areas of the central and eastern Alps in Switzerland, Germany, Austria, Slovenia, Croatia, and northern Italy.  They are about 9 to 12″ in height with a very woody root system.  The smooth, leathery dark blue-green leaves are deeply divided into 7 to 9 leaflets with irregular teeth around the tip.  If covered with snow, the leaves will stay pristine through the winter.

The buds of Christmas rose are quite ornamental

Christmas rose exhibiting its desirable characteristic of outward-facing flowers

Christmas roses have pure white flowers on upright fleshy stems.  The full, rounded blossoms are outward-facing and open flat with a width of 2 to 5″ and a bloom time starting anywhere from November to March, depending on the cultivar.  The flowers often age to shades of pink to red.  They make a very good cut flower.

Established Christmas roses produce an abundance of flowers

The flowers on Christmas roses often age to pink

Christmas roses prefer a well-drained site rich in organic matter.  High or dappled shade is best, and they seem to prefer the edge of beds.  Although they don’t like to be moved, they are easy to divide because their leaves and flowers are on separate stems.  Once they are established, all they need is a yearly mulch of ground leaves.  Christmas roses are usually found in areas with alkaline soil and several sources recommend applying lime, but I have never found this necessary.

The 3 1/2″ wide flowers of ‘Praecox’ Christmas rose in mid-February in my garden

There are several cultivars of Christmas rose that have enhanced the ornamental qualities of this already desirable hellebore.  The straight species blooms in the mid-Atlantic area of the U.S. in early March, after the hybrid hellebores, Helleborus x hybridus.  The Christmas rose cultivar ‘Praecox’ moves the start of bloom time up from March to mid to late January.  ‘Praecox’ also produces an abundance of flowers at a young age unlike the straight species, which can take a while to establish itself.

‘Jacob’ Christmas rose coming into bloom in my garden in November–its flowers are 3″ wide

Two more recent introductions from the Helleborus Gold Collection in Germany have moved the start of Christmas rose’s bloom time to November and extended it to May. ‘HGC Jacob’ begins blooming in my garden in mid-November, while ‘HGC Josef Lemper’ begins around December 1.  Both cultivars continue blooming into May.  For detailed descriptions of ‘Jacob’ and ‘Josef Lemper’, read my article Hellebores for Fall by clicking here.

The 4″ wide flowers of ‘Josef Lemper’ blooming through the snow in my garden in February

Although rarely for sale, I treasure my ‘Potter’s Wheel’ Christmas rose, a cultivar with huge flat, 5″ wide symmetrical flowers.  Although most ‘Potter’s Wheel’ is not true to type because it is seed grown, I acquired mine from Arrowhead Alpines, which vegetatively propagates their plants from the original ‘Potter’s Wheel’ in England.

The huge 5″ wide flowers of authentic ‘Potter’s Wheel’ Christmas rose

I hope that you will consider Christmas rose the next time you add to your hellebore collection.

Please let me know in a comment/reply about your own experiences with growing Christmas roses.

Carolyn

This is part of a series of articles on hellebores, one of the specialties of my nursery.  Here are links to the other articles:

Part One        Hellebores for Fall

Part Two       An Ode to Seed Strain Hellebores

Part Three   Christmas Rose: The Perfect Hellebore

Part Four      Dividing Hybrid Hellebores

Part Five       The Sex Lives of Hellebores

Part Six          Double Hellebores

Part Seven   Cutting Back Hellebores

Notes: Every word that appears in orange on my blog is a link that you can click for more information.  If you want to return to my blog’s homepage to access the sidebar information (catalogues, previous articles, etc.), just click here.

Nursery Happenings: I am currently accepting orders for snowdrops, including  mail orders.  For the catalogue and order information, click here.  I am taking reservations for my March 18 & 19 Hellebore Seminars.  For the brochure and registration information, click here.  I have a few spaces left for Charles Cresson’s Snowdrops and Other Winter Interest Plants Seminars.  For the brochure and registration information, click here.

February GBBD: Add to Your Spring Shopping List

Posted in Garden Blogger's Bloom Day, garden to visit, hellebores, snowdrops, winter, winter interest with tags , , , , , , , , , , on February 14, 2011 by Carolyn @ Carolyns Shade Gardens

Carolyn’s Shade Gardens is a retail nursery located in Bryn Mawr, PA, specializing in showy, colorful, and unusual plants for shade.  The only plants that we ship are snowdrops and miniature hostas.  For catalogues and announcements of events, please send your full name, location, and phone number (for back up use only) to carolyn@carolynsshadegardens.com.  Click here to get to the home page of our website for catalogues and information about our nursery and to subscribe to our blog.

“Spring-blooming” hardy cyclamen, Cyclamen coum, sends out its first bud

It is time to walk around your garden again and assess what you need to add to make the end of winter an exciting time in your landscape.  Do you need more early-blooming hellebores to give you a reason to go outside?  Could your garden benefit from flowers that bloom in January and February like hardy cyclamen, snow crocus, or snowdrops to relieve the gray?  Make a list and take photographs so that when you are shopping this spring you know what you need and where it should go.  I know it’s icy outside, but you never know what you might find to end the winter doldrums like the hardy cyclamen (pictured above), which I discovered during my own chilly inventory.

Snowdrops and winter aconite on Winterthur’s March Bank, photo courtesy of Winterthur

If you need ideas, visit local arboretums and gardens.  I always find a trip to Winterthur, an elegant and intimate public garden in Delaware, highly inspirational and informative.  Starting March 1 when Winterthur opens for spring, the area of the gardens known as the March Bank erupts into bloom with tens of thousands of snowdrops, adonis, winter aconite, snow crocus, early scillas, glory-of-the-snow, spring snowflake, and early daffodils.

Snowdrops and winter aconite on Winterthur’s March Bank in early March, photo courtesy of Winterthur

Later in March, glory-of-the-snow, Chionodoxa, takes over, photo courtesy of Winterthur

Today is Garden Blogger’s Bloom Day for February when gardeners around the world show photos of what’s blooming in their gardens (follow the link to see  photographs from other garden bloggers assembled by Carol at May Dreams Gardens).  Here are a few more highlights from my mid-February stroll through Carolyn’s Shade Gardens:

Very early-blooming double white hellebore, Helleborus x hybridus ‘Mrs. Betty Ranicar’

Bearsfoot hellebore, Helleborus foetidus, was waiting under the ice

Sweetbox, Sarcococca hookeriena var. humilis, prepares to perfume the garden

‘Jacob’ Christmas rose, Helleborus niger ‘Jacob’, began blooming in October and has waited patiently under the snow and ice for a chance to show its flowers again

The lowly Japanese pachysandra, P. terminalis, forms its flowers the previous season adding winter interest to its evergreen leaves

The flower buds of hybrid hellebores, Helleborus x hybridus, wait for the hard-packed snow to melt, in warmer years they would be in bloom now

Some hybrid hellebores are farther along than others

Giant snowdrop, Galanthus elwesii, was the first flower through the snow in 2011 (see Are Snowdrops Thermogenic?) and was also blooming in December

With our near record-breaking snowfall accompanied by generous doses of ice (see The Joys and Sorrows of Snow), I wasn’t planning on participating in February’s Garden Blogger’s Bloom Day.  But when I grabbed my camera and walked around, there was much to be seen.   In addition to the flowers, there was more than enough views of the destruction of the winter by nature and otherwise.

Remnants of the white pine and coral bark maple branches lost this winter

The signs marking my epimedium collection after the ravages of my three snowboarding teenage sons.

Please let me know in a comment/reply what flowers are blooming in your winter garden.  If you participated in GBBD, please provide a link so my nursery customers can read your post.

Carolyn


Notes: Every word that appears in orange on my blog is a link that you can click for more information.  If you want to return to my blog’s homepage to access the sidebar information (catalogues, previous articles, etc.), just click here.

Nursery Happenings: I am currently accepting orders for snowdrops, including  mail orders.  For the catalogue and order information, click here.  I am also taking reservations for Charles Cresson’s Snowdrops and Other Winter Interest Plants Seminar.  For the brochure and registration information, click here.

An Ode to Seed Strain Hellebores

Posted in hellebores, Shade Perennials with tags , on January 28, 2011 by Carolyn @ Carolyns Shade Gardens

Carolyn’s Shade Gardens is a retail nursery located in Bryn Mawr, PA, specializing in showy, colorful, and unusual plants for shade.  The only plants that we ship are snowdrops and miniature hostas.  For catalogues and announcements of events, please send your full name, location, and phone number (for back up use only) to carolyn@carolynsshadegardens.com.  Click here to get to the home page of our website for catalogues and information about our nursery and to subscribe to our blog.

Plant breeders have been hard at work for years trying to get hybrid hellebores (Helleborus x hybridus) to submit to tissue culture.  For a long time the hellebores were winning, and I was quietly cheering from the sidelines.  But it seems even the mighty hybrid hellebore, the toughest plant I know, was not a match for modern technology.  You can now purchase tissue cultured hellebores that all look the same.  But my question is: why would you want to?

You have to realize that I am a person who treasures diversity even with its inherent risks of dissatisfaction and unpredictability.  I still shop at my local hardware store with its wood floors and oily smells.  I have a tab, the people there know me, the people there know hardware.  They might not have what I want—I can take that risk.  You couldn’t get me to go to a Home Depot if my life depended on it.

When I travel, I try to stay at a local B&B.  I introduce myself to the owners, I appreciate their eclectic decorating schemes, I eat their funky breakfasts.  They know the local area, they have eaten in the restaurants, they can give directions.  I stayed at a chain recently where the very nice desk clerk was not aware that there was a gas station two doors down.

So I am a person who doesn’t treasure predictability, as in sameness, the way most people seem to.

When it comes to hybrid hellebores, I don’t understand the most common concern expressed by gardeners: if the hellbore is grown from seed you can’t be 100% sure what the flowers will look like unless it’s in bloom.  There is an element of risk involved in the purchase.  Tissue culture of hellebores was developed to eliminate this unacceptable risk.

But to me that is the magic of hybrid hellebores: each plant is a unique individual, with the potential for inheriting genetic material from any of the possible 9 or more species that could be its parents.  It’s like having a baby, you don’t know and you can’t control who he or she will be because that is determined by generations of intertwining DNA.  I am assuming that even in the predictability driven US, where we invented the almighty chain store, we still would rather roll the dice than clone the cute little baby next door.  I could be mistaken.

Don’t get me wrong, the poster child for tissue-cultured hybrid hellebores ‘Kingston Cardinal’ with its large double raspberry flowers is gorgeous.  I would grow it.  But here is its main marketing mantra: Tissue cultured so every plant is identical.  Every one on your block can have the exact same plant right next to their ‘Autumn Joy’ sedum and ‘Goldsturm’ rudbeckia.   I like ‘Autumn Joy’ and ‘Goldsturm’ (I have them in my garden), but hybrid hellebores offer so much more than that: the diversity of life in a beautiful flower.  And tissue culture has the potential to destroy that magic just like we are losing the genetic magnificence of apples, and chickens, and tomatoes.

Here is my ode to seed strain hybrid hellebores:

photo Carol Lim

photo Carol Lim

photo Carol Lim

Please let me know in a comment which hellebore is your favorite.

Carolyn

This is part of a series of articles on hellebores, one of the specialties of my nursery.  Here are links to the other articles:

Part One        Hellebores for Fall

Part Two       An Ode to Seed Strain Hellebores

Part Three   Christmas Rose: The Perfect Hellebore

Part Four      Dividing Hybrid Hellebores

Part Five       The Sex Lives of Hellebores

Part Six          Double Hellebores

Part Seven   Cutting Back Hellebores

Notes: Every word that appears in orange on my blog is a link that you can click for more information.  If you want to return to my blog’s homepage to access the sidebar information (catalogues, previous articles, etc.), just click here.

In my post I Need Your Help, I asked readers to send cards to the daughter of Kartik who was the subject of my post New Year’s Resolution to Edit the Garden.  I would still appreciate your help with this appeal.  Tara is home from the hospital, which is good news, but being confined to home and suffering daily intrusive medical procedures has left her lonely and depressed.  The cards she has received from all of you are a major bright spot in her day, and your good wishes and prayers are an inspiration to Kartik.  If you still wish to mail a card, they would love to receive it (Tara Patel, 2216 Oakwyn Road, Lafayette Hill, PA  19444, USA).  Thanks.

The view from here:


Hellebores for Fall

Posted in Fall, Fall Color, hellebores, Shade Perennials with tags , , , , , , , , on December 4, 2010 by Carolyn @ Carolyns Shade Gardens

Carolyn’s Shade Gardens is a retail nursery located in Bryn Mawr, PA, specializing in showy, colorful, and unusual plants for shade.  The only plants that we ship are snowdrops and miniature hostas.  For catalogues and announcements of events, please send your full name, location, and phone number (for back up use only) to carolyn@carolynsshadegardens.com.  Click here to get to the home page of our website for catalogues and information about our nursery and to subscribe to our blog.

bearsfoot hellebore at Carolyn's Shade GardensBearsfoot hellebore growing in my manure pit wall

Hybrid hellebores, the variety of hellebore that most gardeners grow with the big, nodding, showy flowers in beautiful colors, are generally not fall-blooming plants.  They give depth to the fall garden through their evergreen foliage, but they are not thought of for flowers (except a rogue hybrid bloom now and then).  In the mid-Atlantic, they bloom as early as January, but generally start to flower in February.  But there are a few species (as opposed to hybrid) hellebores that flower in fall, and my late fall garden has been much enhanced by their addition.

foliage of bearsfoot hellebore at Carolyn's Shade GardensWinter foliage of bearsfoot hellebore

If I had to choose a favorite hellebore, and I have almost every species and hundreds of hybrids, I would pick the bearsfoot hellebore, Helleborus foetidus.  It wouldn’t be for its charming Latin name: foetidus speaks for itself.  And not for its alternate common name, stinking hellebore, though it doesn’t deserve that name when you have to mangle the leaves to elicit a smell.  Rather I would choose it for its substantial 2′ evergreen presence, like a miniature rhododendron in the garden.  And for the interesting spidery texture of its always pristine dark green leaves.  But mostly for how its chartreuse bell-like buds and flowers perch atop its beautiful foliage from November into May.

buds emerging from bearsfoot hellebore at Carolyn's Shade GardensFall buds emerging from bearsfoot hellebore

Bearsfoot hellebore grows in part to full shade and is the only hellebore that I am aware of that likes slightly moist soil.  That being said, my grove—if they are happy, they spread—received no additional water for the entire summer of 2010 when we had the worst heat and drought I have ever experienced.  Bearsfoot and all my other hellebores came through with flying colors.  I grow all my hellebores with plenty of compost.

buds of bearsfoot hellebore at Carolyn's Shade GardensFall buds of bearsfoot hellebore

Bearsfoot hellebore in full bloom

Two other fall-blooming hellebores are superior selections from the true Christmas rose, the species Helleborus niger.  Christmas roses are beautiful plants and well worth growing for their outward-facing, starry, pure white flowers and elegant blue-green leaves.  But the straight species is sadly mis-named.  In the mid-Atlantic, it blooms in March  at the earliest when Christmas has long past.  However, the amazing plant breeders at Heuger in Germany who have produced the superior Helleborus Gold Collection have developed two Christmas roses that bloom from November into May.

Christmas rose 'Jacob' at Carolyn's Shade GardensChristmas rose ‘Jacob’

The first, HGC ‘Jacob’, is a compact and refined plant 6 to 8″ tall with graceful, smooth dark green leaves.  It starts blooming in mid-November (it was a little late this year) with copious 2 to 3″ white flowers maturing to rose, and continues to produce buds into May.  The second is HGC ‘Josef Lemper’, a 10″ plant with 3 to 3 1/2″ flowers and larger, lighter green leaves.  It  comes into bloom about two weeks later than ‘Jacob’ and also continues to May.

Christmas rose 'Jacob' at Carolyn's Shade GardensChristmas rose ‘Jacob’ coming into bloom in November

Christmas rose 'Josef Lemper' at Carolyn's Shade GardensEmerging buds of Christmas rose ‘Josef Lemper’

Christmas roses are a little more finicky than hybrids.  Like most hellebores, they prefer well-drained sites with plenty of organic matter.  But they have a definite preference for the edges of beds in part shade as opposed to sunnier or shadier spots.  My best stand is in an open area shaded by 100′ trees on a steep slope.  I have never found that they needed supplemental lime as the books suggest.

Helleborus dumetorum at Carolyn's Shade GardensHelleborus dumetorum

I am throwing in the final fall-blooming hellebore more for curiosity sake than for its ornamental value.  Over the years, I have collected most of the hellebore species.  I have tried  to get them from more than one source so I could compare them.  The variation is amazing, but no more than hellebore aficionados like Graham Rice will tell you to expect.  One plant I have collected is H. dumetorum—it’s so obscure it doesn’t have a common name.  Its small green flowers and ordinary leaves do not endear it to gardeners.  However, I am including a photograph of one of my plants here because every year it blooms in late October and continues to spring.

For more information on hellebores, I highly recommend noted hellebore expert Graham Rice’s website.  The book The Gardener’s Guide to Growing Hellebores by Graham Rice and Elizabeth Strangman is excellent.  It includes amazing pictures showing the variation within the different species.  I will add both sources permanently to my sidebar so you can always find them.  If you really want all the details about hellebores, try Hellebores by Brian Mathew (Alpine Garden Society).  It is out-of-print but available at horticultural libraries, including the Pennsylvania Horticultural Society.

Carolyn

This is part one in a series of articles on hellebores, one of the specialties of my nursery.  Here are links to all six articles:

Part One        Hellebores for Fall

Part Two       An Ode to Seed Strain Hellebores

Part Three   Christmas Rose: The Perfect Hellebore

Part Four      Dividing Hybrid Hellebores

Part Five       The Sex Lives of Hellebores

Part Six          Double Hellebores

Part Seven   Cutting Back Hellebores

Note: Every word that appears in orange on my blog is a link that you can click for more information.