Encyclopaedia of vines
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Clematis 'Viola'
Clematis 'Viola'

A very free-flowering variety raised in Estonia. Deep bluish-violet velvet flowers with greenish-yellow stamens are profusely borne from the end of June to August. A stunning cultivar, especially effective when grown against a light background.

Raised by U. & A. Kivistik, Estonia.Named in 1987.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
deep bluish-violet 3 m medium VI, VII, VIIIVI, VII, VIII S, N, E, W 3 (hard) 4 - 9Zones 4 - 9
Aspect Pruning way Frost hardiness
S, N, E, W 3 (hard) 4 - 9Zones 4 - 9

Clematis 'Warszawska Nike' WARSAW NIKE
Clematis 'Warszawska Nike' WARSAW NIKE

A hardy, floriferous cultivar with a moderate growth rate. Polish variety. Rich royal purple flowers with gold stamens are profusely borne from June to September. Excellent for growing over fences, walls, trellises and poles. It can clamber over natural s..

Raised by Stefan Franczak, Poland. Introduced in 1982.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
rich royal purple 2-3 m medium VI, VII, VIII, IXVI, VII, VIII, IX S, N, E, W 2 (light) 4 - 9Zones 4 - 9
Aspect Pruning way Frost hardiness
S, N, E, W 2 (light) 4 - 9Zones 4 - 9

Clematis 'H.F. Young'
Clematis 'H.F. Young'

A free-flowering cultivar. Single or semi-double, blue flowers are profusely borne from May to June. During summer, it repeats flowering, abounding with large but single flowers. Particularly useful for growing through other plants, against a dark backgro..

Raised by W. Pennell, United Kingdom. Introduced in 1962.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
blue 2-3 m big V, VI, VIIIV, VI, VIII S, N, E, W 2 (light) 4 - 9Zones 4 - 9
Aspect Pruning way Frost hardiness
S, N, E, W 2 (light) 4 - 9Zones 4 - 9

Clematis 'H.F. Young'
Clematis 'H.F. Young'

A free-flowering cultivar. Single or semi-double, blue flowers are profusely borne from May to June. During summer, it repeats flowering, abounding with large but single flowers. Particularly useful for growing through other plants, against a dark backgro..

Raised by W. Pennell, United Kingdom. Introduced in 1962.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
blue 2-3 m big V, VI, VIIIV, VI, VIII S, N, E, W 2 (light) 4 - 9Zones 4 - 9
Aspect Pruning way Frost hardiness
S, N, E, W 2 (light) 4 - 9Zones 4 - 9

Clematis 'Lemon Beauty’ PBR
Clematis 'Lemon Beauty’ PBR

A Polish variety raised by Szczepan Marczyński, introduced in the market in summer 2012. Flowers are exceptionally large for the Atragene Group, light lemon-yellow and during budding – lime coloured. In full bloom the colour whitens. Bell-shaped, nodding,..

Raised by Szczepan Marczyński, introduced in the market in 2012.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
light lemon-yellow 2-3 m medium V, VII, VIIIV, VII, VIII S, N, E, W 1 (none) 4 - 9Zones 4 - 9
Aspect Pruning way Frost hardiness
S, N, E, W 1 (none) 4 - 9Zones 4 - 9

Clematis 'Fireworks'
Clematis 'Fireworks'

An interesting cultivar with large vivid bicolor flowers. Purple sepals with a bright reddish-mauve central bar and slightly wavy margins. White filaments with purple anthers. Excellent for arbors, trellises, poles and other garden supports. It can also b..

Raised by J. Treasure, United Kingdom 1984.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
purple with reddish-mauve stripe 2.5-3.5 m big V, VI, VIII, IXV, VI, VIII, IX S, N, E, W 2 (light) 4 - 9Zones 4 - 9
Aspect Pruning way Frost hardiness
S, N, E, W 2 (light) 4 - 9Zones 4 - 9

Clematis 'Happy Diana'
Clematis 'Happy Diana'

A Japanese cultivar of the largest flowers in Texensis Group. Flowers are deep pink, tulip-shaped. Bloom profusely throughout summer. WHAT IT LOOKS LIKE: Flowers small, 4–7 cm across, deep pink, consisting of 4 sepals strongly curled at the tips. They ..

Found as a sport of ‘Princes Diana’ cultivar by Tuneo Tshigura, Japan, ca. 2006.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
pink 3-4 m medium VI, VII, VIII, IXVI, VII, VIII, IX S, E, W 3 (hard) 5 - 9Zones 5 - 9
Aspect Pruning way Frost hardiness
S, E, W 3 (hard) 5 - 9Zones 5 - 9

Clematis 'H.F. Young'
Clematis 'H.F. Young'

A free-flowering cultivar. Single or semi-double, blue flowers are profusely borne from May to June. During summer, it repeats flowering, abounding with large but single flowers. Particularly useful for growing through other plants, against a dark backgro..

Raised by W. Pennell, United Kingdom. Introduced in 1962.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
blue 2-3 m big V, VI, VIIIV, VI, VIII S, N, E, W 2 (light) 4 - 9Zones 4 - 9
Aspect Pruning way Frost hardiness
S, N, E, W 2 (light) 4 - 9Zones 4 - 9

Clematis 'H.F. Young'
Clematis 'H.F. Young'

A free-flowering cultivar. Single or semi-double, blue flowers are profusely borne from May to June. During summer, it repeats flowering, abounding with large but single flowers. Particularly useful for growing through other plants, against a dark backgro..

Raised by W. Pennell, United Kingdom. Introduced in 1962.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
blue 2-3 m big V, VI, VIIIV, VI, VIII S, N, E, W 2 (light) 4 - 9Zones 4 - 9
Aspect Pruning way Frost hardiness
S, N, E, W 2 (light) 4 - 9Zones 4 - 9

Clematis 'Kaśka'
Clematis 'Kaśka'

A new, attractive Polish cultivar of large yellow flowers and compact habit. Robust and easy to maintain.  WHAT IT LOOKS LIKE: Flowers large, 7˗9 cm across, bright yellow, bell-shaped, nodding. Bloom from the end of May even till mid-October. In place of..

Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
deep yellow 3-4 m medium V, VI, VII, VIII, IX, XV, VI, VII, VIII, IX, X S, E, W 3 (hard) 4 - 9Zones 4 - 9
Aspect Pruning way Frost hardiness
S, E, W 3 (hard) 4 - 9Zones 4 - 9