Clematis Varieties at Hummingbird Farm

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We will resume shipping clematis in April 2010.
Our plants are wintered outside, so we need to wait
for the ground to thaw before we can send them to you.
Clematis will be $16.99 each in 2010.
Atragene
Early Hybrids
Late Hybirds
Kivistiks
Viticellas
Texensis
Tangutica
Integrifolia
Heracleifolia
Misc. species

The Atragene Group

Clematis in the Atragene Group all have several characteristics in common:
They all bloom very early, usually with the lilacs.
They all have bell shaped, nodding flowers, followed by handsome seed heads.
All are very winter hardy and extremely disease resistant.
They all bloom on wood that grew last year, so they should not be pruned;
after flowering, dead wood can be removed.

Flower Variety Type Height Bloom Time Pruning Group Hardiness Zone
Blue Bird Blue Bird macropetala 6 to 12 ft. spring Don't Bother! Zone 4
Constance Constance macropetala 6 to 12 ft. spring Don't Bother! Zone 4
Brunette Brunette koreana 8 to 10 ft. spring Don't Bother! Zone 4
Pamela Jackman Pamela Jackman alpina 8 to 12 ft. spring Don't Bother! Zone 4
Stolwijk Gold Stolwijk Gold
NEW!
alpina 6 to 12 ft. spring Don't Bother! Zone 4

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The Early Large Flowered Hybrids

These are the plants that most people think of when we say, "Clematis".

They bloom in late May or early June and have large, flat flowers. Some will repeat bloom in late summer or early fall.
Many are prone to a fungal disease called clematis wilt. We do not sell the varieties we have found to be especially
susceptible to wilt. Often, wilt is a disease of young plants and they outgrow it as they mature. If a clematis wilts
repeatedly, we recommend "shovel pruning" it and replacing it with a disease resistant plant.

Most books and websites recommend treating early large flowered hybrids as "moderate prune" clematis
and cutting them by about 1/3 in March. However, we disagree: Please see our Pruning Primer for more information.

Flower Variety Type Height Bloom Time Pruning Group Hardiness Zone
Bees' Jubilee Bees' Jubilee early large flowered hybrid 6 to 10 ft. early summer and fall Don't Bother! Zone 4
Bijou Bijou
NEW!
early large flowered hybrid 1 to 2 feet early summer and fall Don't Bother! Zone 4
Bourbon Bourbon early large flowered hybrid 5 to 6 ft. spring Don't Bother! Zone 4
Claire de Lune Claire de Lune
a.k.a. Blue Moon
early large flowered hybrid 8 to 10 ft. spring & fall Don't Bother! Zone 4
Climador Climador early large flowered hybrid 6 to 8 ft. summer and fall Don't Bother! Zone 4
Elsa Spath Elsa Spath early large flowered hybrid 8 to 12 ft. early summer and fall Don't Bother! Zone 4
Eyre's Gift Eyre's Gift early large flowered hybrid 10 to 12 ft. early summer and fall Don't Bother! Zone 4
Filigree Filigree
NEW!
early large flowered hybrid 1 to 2 feet early summer and fall Don't Bother! Zone 4
Guernsey Cream Guernsey Cream early large flowered hybrid 8-10 ft. early summer and fall Don't Bother! Zone 4
HF Young HF Young early large flowered hybrid 8 to 12 ft. early summer and fall Don't Bother! Zone 4
John Paul II John Paul II early large flowered hybrid 8 to 10 feet early summer and fall Don't Bother! Zone 4
Josephine Josephine early large flowered hybrid 8-10 ft. summer and fall Don't Bother! Zone 4
Kilian Donahue Kilian Donahue early large flowered hybrid 6 to 8 ft. summer and fall Don't Bother! Zone 4
Kingfisher Kingfisher
NEW!
early large flowered hybrid 6 to 8 feet early summer and fall Don't Bother! Zone 4
Mrs. Cholmondeley Mrs. Cholmondeley early large flowered hybrid 10 to 12 ft. summer and fall Don't Bother! Zone 4
Patricia Ann Fretwell Patricia Ann Fretwell early large flowered hybrid 6 to 8 ft. summer Don't Bother! Zone 4
Rebecca Rebecca early large flowered hybrid 6 to 8 ft. early summer and fall Don't Bother! Zone 4
Royal Velvet Royal Velvet early large flowered hybrid 6 to 8 ft. early summer and fall Don't Bother! Zone 4
Ruby Glow Ruby Glow early large flowered hybrid 6 to 8 ft. early summer and fall Don't Bother! Zone 4
Silver Moon Silver Moon early large flowered hybrid 8 to 10 ft. early summer and fall Dson't Bother! Zone 4
Star Burst Star Burst early large flowered hybrid 6 to 8 ft. spring Don't Bother! Zone 3
Vyvyan Pennell Vyvyan Pennell
NEW!
early large flowered hybrid 8 to 10 feet early summer and fall Don't Bother! Zone 4

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The Late Flowering Hybrids

Most of these clematis will flower from July onwards.
Depending on the variety, they will bloom from three weeks to two months.

Plants in this group are "full prune", which means they should be cut back
to 12 to 18 inches tall in March. Please see our Pruning Primer for more information.

Late flowering hybrids are very winter hardy and very disease
resistant. Wilt is very rare in these plants.

The flowers are flat, although they tend to be a little smaller than the early flowered hybrids.
They make up for the difference in size by making lots of blooms!

Flower Variety Type Height Bloom Time Pruning Group Hardiness Zone
Allanah Allanah
NEW!
late flowered hybrid 6 to 12 ft. summer and fall Full Prune Zone 4
barbara harrington Barbara Harrington
late flowered hybrid 6 to 8 ft. summer and fall Full Prune Zone 4
Comtesse Comtesse de Bouchaud late flowered hybrid 6 to 8 ft. mid summer Full Prune Zone 4
Ernest Markham Ernest Markham
late flowered hybrid 10 to 15 ft. summer and fall Full Prune Zone 4
Hagley Hybrid Hagley Hybrid
late flowered hybrid 6 to 8 ft. mid summer Full Prune Zone 4
Jackmanii Jackmanii late flowered hybrid 10 to 12 ft. summer and fall Full Prune Zone 3
Madame Baron-Veillard Madame Baron-Veillard
NEW!
late flowered hybrid 12 to 15 ft. late summer and fall Full Prune Zone 4
perle Perle d'Azur late flowered hybrid 10 to 12 ft. mid summer Full Prune Zone 4
charles Prince Charles late flowered hybrid 6 to 8 ft. mid summer Full Prune Zone 4
Rhapsody Rhapsody late flowered hybrid 8 to 10 ft. summer and fall Full Prune Zone 4
ville_de_lyon Ville de Lyon late flowered hybrid 10 to 12 ft. summer and fall Full Prune Zone 4
thumbnail Warsaw Nike
a.k.a. Midnight Showers
early large flowered hybrid 6 to 8 ft. early summer Full Prune Zone 4

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The Kivistik Collection

The Kivistik Collection consists of clematis bred by Uno and Aili Kivistik at Roogoja Farm in Estonia
between 1974 and Mr. Kivistik's death in 1998. Roogoja Farm is the northernmost breeding location for
clematis in the world and the Kivistik's goal was to breed super hardy clematis that bloom on new wood.
The Kivistik clematis are all quite short, rarely over 6 feet tall, and are bred to die back to the
ground each winter. Although we list these plants as "Full Prune",
most years all you will have to do is remove the dead stems at ground level.

For more information, see our Kivistik Clematis page.

Flower Variety Type Height Bloom Time Pruning Group Hardiness Zone
Huvi Huvi large flowered hybrid 6 to 8 ft. summer and fall Full Prune Zone 3
Ilka Ilka large flowered hybrid 5 to 6 ft. summer and fall Full Prune Zone 3
Juuli Juuli integrifolia 3 to 4 ft. summer and fall Full Prune Zone 3
Miniseelik Miniseelik large flowered hybrid up to 6 ft. summer and fall Full Prune Zone 3
minister Minister large flowered hybrid up to 6 ft. summer and fall Full Prune Zone 3
Piilu Piilu
large flowered hybrid 4 to 6 ft. summer and fall Full Prune Zone 3
Rahvarrinne Rahvarrinne
NEW!
large flowered hybrid up to 6 ft. summer and fall Full Prune Zone 3
reiman Reiman large flowered hybrid up to 6 ft. summer and fall Full Prune Zone 3
Ristimagi Ristimagi
NEW!
large flowered hybrid up to 6 ft. summer and fall Full Prune Zone 3
ruutel Ruutel large flowered hybrid up to 6 ft. summer and fall Full Prune Zone 3
Silmakavi Silmakavi large flowered hrbrid 4 to 6 ft. summer and fall Full Prune Zone 3
viola Viola large flowered hybrid up to 6 ft. summer and fall Full Prune Zone 3

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The Viticella Hybrids

There are many, many clematis varieties that trace their parentage back to C. viticella
and most of them have several important characteristics in common:

They are all quite tall, usually between 8 and 12 feet.
They produce huge quantities of relatively small flowers.
Many are downward facing and at least a little bell shaped.
They are extremely disease resistant and winter hardy.
All should be ‘full pruned’; cut back to 12 to 18 inches tall in March.

Flower Variety Type Height Bloom Time Pruning Group Hardiness Zone
Alba Luxurians Alba Luxurians
viticella 8 to 10 ft. summer Full Prune Zone 4
Avant Garde Avant Garde
viticella 8 to 10 ft. summer Full Prune Zone 4
thumbnail Betty Corning
viticella 10 to 12 ft. summer and fall Full Prune Zone 4
Chatsworth Chatsworth viticella 10 to 12 ft. summer and fall Full Prune Zone 4
Emilia Plater Emilia Plater viticella 8 to 10 ft. summer and fall Full Prune Zone 4
etoile_violette Etoile Violette viticella 8 to 12 ft. summer and fall Full Prune Zone 4
huldine Huldine viticella 8 to 15 ft. summer and fall Full Prune Zone 4
Kermesina Kermesina viticella 10 to 12 ft. summer and fall Full Prune Zone 4
Madame Julia Correvon Madame Julia Correvon viticella 8 to 10 ft. summer and fall Full Prune Zone 4
Margot Koster Margot Koster viticella 8 to 10 ft. summer and fall Full Prune Zone 4
thumbnail Polish Spirit viticella 10 to 12 ft. summer and fall Full Prune Zone 4
Purpurea Plena Elegans Purpurea Plena Elegans viticella 10 to 12 ft. summer and fall Full Prune Zone 4
Royal Velours Royal Velours viticella 10 to 12 ft. summer and fall Full Prune Zone 4

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The Texensis Hybrids

Yes, these plants are native to Texas. And, yes, they ARE winter hardy here, too!
We've even seen them growing in Newfoundland!
Flowers are upward facing, usually tulip-shaped and quite small.
Full prune them in March. Give them a light, even gravelly, soil and full sun.
Wilt resistant, although some varieties may be prone to mildew.

s
Flower Variety Type Height Bloom Time Pruning Group Hardiness Zone
thumbnail Duchess of Albany texensis 6 to 12 ft. summer and fall Full Prune Zone 4
Etoile Rose Etoile Rose texensis 8 to 10 ft. summer and fall Full Prune Zone 4
Gravetye Beauty Gravetye Beauty texensis 6 to 8 ft. late summer and fall Full Prune Zone 4
diana Princess Diana
texensis 6 to 8 ft. mid summer to fall Full Prune Zone 4

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The Tangutica Group

Hailing from China, C. tangutica is characterized by small leaves and tiny yellow flowers.
These plants should be cut back to 12 to 18 inches tall in March.
Give them good drainage and lots of sun.

to to
Flower Variety Type Height Bloom Time Pruning Group Hardiness Zone
Bill MacKenzie Bill MacKenzie
NEW!
tangutica 15 to 20 ft.summer and fall Full Prune Zone 4
thumbnail Tangutica species 12 to 15 ft.summer and fall Full Prune Zone 3

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The Integrifolia Hybrids

C. integrifolia and its hybrids are non-climbing clematis; they will sprawl unless provided with support.
Although some hybrids get quite large, most grow 3 to 4 feet tall.

Integrifolia hybrids usually have the downward facing bell shaped flowers of their parent, although there are
a few notable exceptions. Pink and purple are the most common colors. Many varieties are fragrant, especially
when planted in full sun.They are virtually wilt free, although they are sometimes prone to powdery mildew.

Flower Variety Type Height Bloom Time Pruning Group Hardiness Zone
alionushka Alionushka
integrifolia 4 to 5 ft. summer and fall Full Prune Zone 4
amelia Amelia integrifolia 4 to 6 ft. summer and fall Full Prune Zone 4
arabella Arabella integrifolia 3 to 6 ft. summer and fall Full Prune Zone 4
Hanajima Hanajima integrifolia up to 3 ft. summer and fall Full Prune Zone 4
Juuli Juuli integrifolia 3 to 4 ft. summer and fall Full Prune Zone 3
miranda Miranda integrifolia 4 to 6 ft. summer and fall Full Prune Zone 4
no image Mongolian Bells integrifolia 1 to 2 ft. summer and fall Full Prune Zone 3
Olgae Olgae integrifolia up to 3 ft. summer and fall Full Prune Zone 4
thumbnail Rooguchi integrifolia 6 to 8 ft. summer and fall Full Prune Zone 4

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The Heracleifolia Group

Heracleifolias and related plants are also non-climbers, sprawling unless supported.
Their petite flowers are fragrant and their foliage is quite unusual.
Some of these hybrids seem to reseed rather prolifically in our sandy soil.
Mrs. Robert isn't technically a heracleifolia; see her individual page for details.

Flower Variety Type Height Bloom Time Pruning Group Hardiness Zone
Mrs. Robert Brydon Mrs. Robert Brydon heracleifolia 10 to 12 feet ft. late summer and fall Full Prune Zone 4
Tubulosa Tubulosa
A.K.A. heracleifolia var davidiana
heracleifolia 3 to 4 ft. late summer and fall Full Prune Zone 4

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Miscellaneous Species

Although these are a jumble of plants we couldn't fit elsewhere, they are all hard prune
and appreciate a well drained soil. Grow one or more of these rare beauties and you'll
really have a "Horse of a Different Color" in your garden!

Flower Variety Type Height Bloom Time Pruning Group Hardiness Zone
Paul Farges Summer Snow vitalba 20 ft. late summer and fall Full Prune Zone 3
Pitcheri Pitcheri species 6 to 10 ft. summer and fall Full Prune Zone 5
no image Recta Purpurea flammula group 3 to 6 ft. summer Full Prune Zone 4
no image Virginiana
A.K.A. Virgin's Bower
species 20 to 30 ft. summer Full Prune Zone 4

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Hummingbird Farm
Where Innovative Gardeners' Ideas Take Root!

Brian and Cindy Tibbetts
202 Bean Street  Turner, Maine 04282
(207) 224-8220   hummingbird@megalink.net
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