Encyclopaedia of vines
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Clematis heracleifolia 'Cassandra'
Clematis heracleifolia 'Cassandra'

A perennial cultivar with stiff, erected stems that don’t twine round the support but can lean against it. Bright blue, hyacinth shaped, fragrant flowers, consisting of 4 rolled back tepals with nicely crimped margins, are borne in clusters in leaf axils ..

Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
blue, fragrant 1 m small VII, VIII, IXVII, VIII, IX 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

The oldest of known Clematis cultivars of charming, fully double flowers, violet-purple with grey hue. It has a retro look, suitable for historical gardens. Recommended for container cultivation. WHAT IT LOOKS LIKE: Flowers small, 3–6 cm across, double, ..

Selected in 1623. Re-introduced in the market by Barry Fretwell, Great Britain 1981.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
violet-purple with grey hue, full 2 m small VI, VII, VIII, IXVI, VII, VIII, IX S, E, W 3 (hard) 4 - 9Zones 4 - 9
Aspect Pruning way Frost hardiness
S, E, W 3 (hard) 4 - 9Zones 4 - 9

Clematis 'Constance'
Clematis 'Constance'

One of the earliest and most profusely flowering varieties. Charming, semi-double, crimson-pink flowers borne on long, slender stalks during April-June, and occasionally in summer. They are followed, during summer and autumn, by decorative silky seed head..

Raised by Mrs K. Goodman, United Kingdom. Introduced in 1992.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
purple 2 m small IV, V, VII, VIIIIV, V, VII, VIII S, N, E, W 1 (none) 3 - 9Zones 3 - 9
Aspect Pruning way Frost hardiness
S, N, E, W 1 (none) 3 - 9Zones 3 - 9

Clematis 'Frances Rivis'
Clematis 'Frances Rivis'

A beautiful, early and profusely flowering variety. Violet-blue flowers with a contrasting sheaf of white stamens and staminodes in the center, followed, during summer and autumn, by decorative silky seed heads. A very hardy plant with low requirements. I..

Raised by Sir Cedric Morris, United Kingdom
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
violet-blue 2-3 m small IV, VIV, V S, N, E, W 1 (none) 3 - 9Zones 3 - 9
Aspect Pruning way Frost hardiness
S, N, E, W 1 (none) 3 - 9Zones 3 - 9

Clematis 'Pamela Jackman'
Clematis 'Pamela Jackman'

One of the earliest and most profusely flowering varieties – during April-June, with occasional flowers in summer. Charming, large, rich blue flowers with outer staminodes tinged blue and inner staminodes white are followed during summer and autumn by dec..

Raised by G. R. Jackman, United Kingdom 1939.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
blue 2.5 m small IV, V, VII, VIIIIV, V, VII, VIII S, N, E, W 1 (none) 3 - 9Zones 3 - 9
Aspect Pruning way Frost hardiness
S, N, E, W 1 (none) 3 - 9Zones 3 - 9

Clematis 'Willy'
Clematis 'Willy'

One of the earliest and most profusely flowering varieties. Charming, mauve pink flowers with a deep pink blotch at the base of each sepal and paler margins, borne during April-May, are followed during summer and autumn by decorative, silky seed heads. A ..

Raised by R. Zwijnenburg, Netherlands 1971.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
deep pink with paler margins 2-3 m small IV, VIV, V S, N, E, W 1 (none) 3 - 9Zones 3 - 9
Aspect Pruning way Frost hardiness
S, N, E, W 1 (none) 3 - 9Zones 3 - 9

Clematis 'Cecile'
Clematis 'Cecile'

An early-flowering variety. Lovely, semi-double, dense blue flowers, borne from April to June, followed by silky seed heads. A very hardy plant with low requirements, tolerates semi-shade. Ideal for growing over fences, stones, old stumps, shrubs and coni..

Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
violet-blue, semi-double 2-3 m small IV, VIV, V S, N, E, W 1 (none) 3 - 9Zones 3 - 9
Aspect Pruning way Frost hardiness
S, N, E, W 1 (none) 3 - 9Zones 3 - 9

Clematis 'Markham's Pink'
Clematis 'Markham's Pink'

One of the earliest and most profusely flowering varieties. Lovely, semi-double, pink-crimson flowers, produced from April to June. During summer and autumn they are followed by decorative silky, turning into fluffy and gray with age, seed heads. A very h..

Raised by E. Markham, United Kingdom. Introduced in 1935.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
pink, semi-double 2-3 m small IV, VIV, V S, N, E, W 1 (none) 3 - 9Zones 3 - 9
Aspect Pruning way Frost hardiness
S, N, E, W 1 (none) 3 - 9Zones 3 - 9

Clematis 'Oberek'
Clematis 'Oberek'

The latest Polish cultivar bred by Szczepan Marczyński with pale pink open flowers of 5-6 cm across, composed of 4 rhomboid loosely arranged tepals with pink veining, light base and wavy edges. Yellow anthers on pale yellow-green filaments. It flowers pro..

Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
pink 2.5-4 m small VI, VII, VIII, IXVI, VII, VIII, IX 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 'White Swan'
Clematis 'White Swan'

An early-flowering variety. Beautiful, double, pure-white flowers with very long and twisted sepals, borne during April and May. During summer and autumn they are followed by decorative, bright, silky seed heads, becoming fluffy and gray with age. A very ..

Raised by Dr F. L. Skinner, Canada 1961.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
white, semi-double 2-3 m small IV, VIV, V S, N, E, W 1 (none) 3 - 9Zones 3 - 9
Aspect Pruning way Frost hardiness
S, N, E, W 1 (none) 3 - 9Zones 3 - 9

Clematis montana var. rubens
Anemone Clematis var. rubens

A beautiful, very strong-growing and floriferous climber. During May and June a mass of scented, rosy mauve-pink flowers, abundantly scattered over the whole plant, can last as long as a few weeks. Unfortunately flower buds and sometimes stems tend to fre..

Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
pink 8 m small VV S, E, W 1 (none) 6 - 9Zones 6 - 9
Aspect Pruning way Frost hardiness
S, E, W 1 (none) 6 - 9Zones 6 - 9

Clematis 'Janny'
Clematis 'Janny'

A cultivar with intriguing semi-double slightly nodding bell-shaped pink flowers, 7 cm across. 4 deep pink tepals with numerous staminodes. It flowers in late April and May, as the last cultivar of the group. In summer it sometimes repeats the flowering...

Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
pink, semi-double 2-3 m small IV, VIV, V S, N, E, W 1 (none) 3 - 9Zones 3 - 9
Aspect Pruning way Frost hardiness
S, N, E, W 1 (none) 3 - 9Zones 3 - 9

Clematis 'Bill MacKenzie'
Clematis 'Bill MacKenzie'

A graceful, very vigorous and floriferous climber with bright green leaves persisting well into November. During summer and autumn the plant is covered with a mass of campanulate, open, bright yellow with purple filaments, flowers, followed in autumn by s..

Selected by W. G. MacKenzie, United Kingdom. Named in 1968.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
yellow 6 m small VI, VII, VIII, IX, XVI, VII, VIII, IX, X S, E, W 3-2 (rather hard) 4 - 9Zones 4 - 9
Aspect Pruning way Frost hardiness
S, E, W 3-2 (rather hard) 4 - 9Zones 4 - 9

Clematis armandii 'Apple Blossom'
Armand's Clematis (Evergreen Clematis) 'Apple Blossom'

A vigorous climber growing 3-5 m high with dark glossy evergreen leaves. From March to May pale pink fragrant flowers, 4-6 cm across, appear on the plant. It requires a warm, sunny, sheltered site and fertile well-drained soil. It sustains temperatures do..

Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
pale pink, fragrant 4-6 m small III, IVIII, IV N, W 1 (none) 7 - 9Zones 7 - 9
Aspect Pruning way Frost hardiness
N, W 1 (none) 7 - 9Zones 7 - 9

Clematis 'Aureolin'
Golden Clematis 'Aureolin'

A delightful, easily grown climber with a moderate growth rate. Large, nodding, rich yellow, lantern-like flowers are borne on long, downy stalks during summer, the later ones intermingled with decorative silky seed heads. At the end of September the plan..

Raised by Proefstation vor de Boomwekerij, Boskoop, Netherlands 1979.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
dark yellow 2-3 m small VI, VII, VIII, IXVI, VII, VIII, IX S, E, W 3-2 (rather hard) 4 - 9Zones 4 - 9
Aspect Pruning way Frost hardiness
S, E, W 3-2 (rather hard) 4 - 9Zones 4 - 9

Clematis 'Helios'
Clematis 'Helios'

A beautiful, strong-growing cultivar, very free-flowering over an incredibly long period. Nodding at first, and then opening completely flat, bright yellow flowers have decorative, outer reflexed tepals. Blooms in June-August, flowers later on followed by..

Raised by Proefstation vor de Boomwekerij, Boskoop, Netherlands 1988.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
bright yellow 3 m small VI, VII, VIIIVI, VII, VIII S, E, W 3-2 (rather hard) 4 - 9Zones 4 - 9
Aspect Pruning way Frost hardiness
S, E, W 3-2 (rather hard) 4 - 9Zones 4 - 9

Clematis 'Duchess of Albany'
Clematis 'Duchess of Albany'

A moderately fast growing, semi-herbaceous climber. Attractive, nodding, bright pink flowers, shading to lilac-pink at margins, are similar in shape to lily-flowered tulips. During autumn and winter the plant is adorned with silky seed heads. Suitable for..

Raised by A. G. Jackman, United Kingdom. Introduced in 1894.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
pink, tulip-shaped 2-3 m small VII, VIII, IX, XVII, VIII, IX, X S, E, W 3 (hard) 5 - 9Zones 5 - 9
Aspect Pruning way Frost hardiness
S, E, W 3 (hard) 5 - 9Zones 5 - 9

Clematis 'Elf'
Clematis 'Elf'

An intriguing variety, covered in summer with a mass of small (4-5 cm across), bell-shaped flowers composed of four recurving tepals, white inside, and pink-mauve on the outside. White-pink anthers and black pistils. Flowers appear from June to November, ..

Bred by Barry Fretwell, Great Britain
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
white-pink-mauve 1.5-2 m small VI, VII, VIII, IX, X, XIVI, VII, VIII, IX, X, XI S, E, W 3 (hard) 4 - 9Zones 4 - 9
Aspect Pruning way Frost hardiness
S, E, W 3 (hard) 4 - 9Zones 4 - 9

Clematis ×triternata 'Rubromarginata'
Clematis triternata 'Rubromarginata'

Fragrant, small, pale violet-pink flowers, margined with reddish violet, are borne in masses during July-August. A strong-growing cultivar excellent for growing over fences, pergolas, arbors and walls. Thrives best and flowers profusely in a sunny, warm a..

Raised by T. Cripps, United Kingdom 1862.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
violet-pink, fragrant 3-5 m small VII, VIIIVII, VIII S, E, W 3 (hard) 5 - 9Zones 5 - 9
Aspect Pruning way Frost hardiness
S, E, W 3 (hard) 5 - 9Zones 5 - 9

Clematis 'Stolwijk Gold'
Clematis 'Stolwijk Gold'

First Clematis variety with golden-yellow leaves. Handsome contrasting violet-blue, bell-shaped, wide-opening flowers, 5-6 cm across, are composed of 4-8 lanceolate tepals. It blooms in late April and May and repeats flowering in summer but the crop is sc..

Selected by Hans Stolwijk in Holland, as sport between Clematis alpina plants. On sale from 2006.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
violet-blue 2-3 m small IV, VIV, V S, N, E, W 1 (none) 3 - 9Zones 3 - 9
Aspect Pruning way Frost hardiness
S, N, E, W 1 (none) 3 - 9Zones 3 - 9