Encyclopaedia of vines
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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 '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 'Laura'
Clematis 'Laura'

A Polish cultivar with sky blue flowers, 15-18 cm across, with a paler central bar. 6 elliptic long-pointed tepals with slightly wavy edges overlap only at the base. Red-purple anthers on creamy filaments. Flowers appear from the end of May to the end of ..

Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
sky blue 2-3 m big V, VI, VII, IXV, VI, VII, 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 'Betty Corning'
Clematis 'Betty Corning'

A charming, moderately fast growing cultivar. During June-September it covers with a mass of pale, lilac-rose, nodding flowers. Spreading tepals, edged in darker blue-purple. A healthy climber, it has low soil requirements. Free-flowering and sweetly scen..

Selected by Betty Corning, United States
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
lilac-rose, nodding, slightly fragrant 3-4 m medium 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 'Blue Explosion' PBR
Clematis 'Blue Explosion' PBR

A Polish variety developed by Szczepan Marczyński, offered for sale in 2011. It produces abundant blossom of blue flowers with pink pigmentation on the top of the sepals, 12-14 cm in diameter, semi-full on the previous year shoots in May-June and single o..

Raised by Szczepan Marczyński, Poland. Introduced in 2011.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
blue flowers with pink pigmentation on the top of the sepals 2-3 m big V, VI, VIIV, VI, VII S, W 2 (light) 4 - 9Zones 4 - 9
Aspect Pruning way Frost hardiness
S, W 2 (light) 4 - 9Zones 4 - 9

Clematis 'Arabella' (1994)
Clematis 'Arabella' (1994)

From June to October mid-blue flowers with conspicuous cream anthers are abundantly scattered over the whole plant. Very free flowering over a long period. A charming climber with raised, non-clinging stems (as in climbing rose). When no support is provid..

Raised by B. Fretwell, United Kingdom 1990.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
violet-blue 1.5-2 m small VI, VII, VIII, IX, XVI, 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

Clematis 'Ivan Olsson'
Clematis 'Ivan Olsson'

A Swedish cultivar with white flowers, shaded blue at the edges, 8-14 cm across. 6-8 slightly wavy tepals and purple anthers on white filaments. It flowers from mid-May to early July and again in August - September if you remove faded flowers. It doesn’t ..

Bred by Magnus Johnson, Sweden 1955.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
white with a touch of blue 2 m big V, VI, VII, VIII, IXV, VI, VII, VIII, IX N, E, W 2 (light) 4 - 9Zones 4 - 9
Aspect Pruning way Frost hardiness
N, E, W 2 (light) 4 - 9Zones 4 - 9

Clematis 'Kiri Te Kanawa'
Clematis 'Kiri Te Kanawa'

A magnificent variety with large, fully double, dark blue flowers on both old and new growth. Excellent for growing over fences, walls, trellises and poles. It can clamber over natural supports e.g. deciduous or coniferous shrubs. Suitable for cut flowers..

Raised by B. Fretwell, United Kingdom 1986.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
dark blue, always double 3 m big V, VI, VII, VIII, IXV, VI, VII, VIII, IX S, E, W 2 (light) 4 - 9Zones 4 - 9
Aspect Pruning way Frost hardiness
S, E, W 2 (light) 4 - 9Zones 4 - 9

Clematis 'Belle of Woking'
Clematis 'Belle of Woking'

A good variety with pale mauve, double flowers borne on previous year’s wood from late May to July. During summer single flowers are borne on new growth. Grows and flowers best in sunny positions.

Raised by George Jackman & Son, United Kingdom.Introduced in 1881.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
pale mauve, double, single in summer 2-3 m big V, VI, VII, VIIIV, VI, VII, VIII S, E, W 2 (light) 4 - 9Zones 4 - 9
Aspect Pruning way Frost hardiness
S, E, W 2 (light) 4 - 9Zones 4 - 9

Clematis 'Diamond Ball' PBR
Clematis 'Diamond Ball' PBR

Polish variety raised by Szczepan Marczyński, available for purchase from summer 2012. Flowers are 10-12 cm in diameter, of white-blue colour, full, round or semi-spherical when full-blown (30-50 sepals), both on old and new wood. Elliptical, pointed and ..

Raised by Szczepan Marczyński, Poland. Introduced in the market in 2012.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
white-blue 2 m big VI, VII, VIIIVI, VII, VIII S, E, W 2 (light) 4 - 9Zones 4 - 9
Aspect Pruning way Frost hardiness
S, E, W 2 (light) 4 - 9Zones 4 - 9

Clematis 'Prince Charles'
Clematis 'Prince Charles'

A compact variety, very free-flowering and easy to grow. Semi-nodding, medium size, pale blue flowers and small leaves. An excellent clematis for growing into small trees or over shrubs, fences, arbors and various garden supports. May be used as ground co..

Selected by A. Keay, New Zeland. Introduced in 1976.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
light blue 2 m medium 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 'Lagoon'
Clematis 'Lagoon'

One of the earliest and most profusely flowering varieties. Charming, deep blue flowers with conspicuous paler staminodes, giving the effect of doubling, produced during April and May. During summer and autumn these are followed by decorative silky seed h..

Raised by G. R. Jackman, United Kingdom. Introduced in 1959.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
deep blue, semi-double 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 'Frankie'
Clematis 'Frankie'

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 F. Meechar, United Kingdom.Introduced in 1991.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
blue 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 'Ramona' ('Hybrida Sieboldii Ramona')
Clematis 'Ramona' ('Hybrida Sieboldii Ramona')

A superb cultivar for hot sunny positions. Lavender blue flowers with purple stamens, borne from June to August. Twines around the supports by means of petioles. Suitable for covering fences, pergolas and arbours or training over garden supports such as t..

Introduced by Jackson & Perkins, United States 1888.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
lavender-blue 2.5-3 m big VI, VII, VIIIVI, VII, VIII S, E, W 3 (hard) 4 - 9Zones 4 - 9
Aspect Pruning way Frost hardiness
S, E, W 3 (hard) 4 - 9Zones 4 - 9

Clematis 'Blue Pillar'
Clematis 'Blue Pillar'

Compact cultivar, with flowers 10-12 cm in diameter consisting of six elliptic, bright blue sepals with a lighter bar along the middle and slightly wavy edges; anthers are purple on white filaments and pistils are yellow. Flowers cover the plant tightly f..

Raised by Szczepan Marczyński, Poland 2013.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
pale blue 2 m medium VI, VIIVI, VII N, E, W 2 (light) 4 - 9Zones 4 - 9
Aspect Pruning way Frost hardiness
N, E, W 2 (light) 4 - 9Zones 4 - 9

Clematis 'Misayo'
Clematis 'Misayo'

A Japanese cultivar of flowers 15-20 cm in diameter, consisting of 6-8 blue-violet, pointed elliptic sepals with a wide white bar along the middle and wavy edges. Stamens consist of creamy-coloured filaments that turn purple towards the top, and purple an..

Bred by Kootaroo Ishiwata, Japan1967 r.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
white with a touch of blue 2 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 'Blue Light'PBR
Clematis 'Blue Light'PBR

An exceptionally attractive compact cultivar with pale blue flowers. One of the very few varieties to carry double flowers on new growth later in the season. It clings to a support using twining leaf petioles. Suitable for growing over arbors, trellises, ..

Selected by F. van Haastert, Netherlands. Introduced in 1998.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
blue, always double 2 m medium V, VI, VIII, IX, XV, VI, VIII, IX, X S, E, W 2 (light) 4 - 9Zones 4 - 9
Aspect Pruning way Frost hardiness
S, E, W 2 (light) 4 - 9Zones 4 - 9

Clematis 'Juuli'
Clematis 'Juuli'

An Estonian hybrid of Clematis integrifolia to which it owns its non-twining stems. Flowers, purple blue at first, in full blossom become blue with a lilac blue central bar and golden anthers on white filaments. Free flowering from June to September. Hard..

Raised by U. & A. Kivistik, Estonia. Named in 1988.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
blue 1.2-2 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 'Stefan Franczak'
Clematis 'Stefan Franczak'

The latest cultivar from Szczepan Marczyński's collection, named in honour of Jesuit brother Stefan Franczak, with bright blue flowers bearing a lighter bar along the midrib, whitening towards the centre. Flowers 6-10 cm in diameter consist of 6 sepals wi..

Raised in 2004 by Szczepan Marczyński, Poland. On the market since 2014.
Color of flowers Plants height Flowers size Flowering month Aspect Pruning way Frost hardiness
bright blue with a lighter bar 1.7-2 m medium VI, VIIVI, VII N, E, W 2 (light) 4 - 9Zones 4 - 9
Aspect Pruning way Frost hardiness
N, E, W 2 (light) 4 - 9Zones 4 - 9