About
Rare in cultivation, a vigorous, self-clinging, deciduous climber to about 15m in height, with brown, peeling bark, and large, broadly oval mid-green leaves turning yellow in autumn. Exceptionally large, lacy greenish-white flower-heads with fertile flowers are surrounded by eye-catching white sterile ones are produced in early summer.
About the genus
Hydrangea can be deciduous or evergreen shrubs, or self-clinging climbers, with flowers in clusters usually comprising both small fertile and more showy sterile flowers; often good autumn colour
Growing conditions
SunlightFull sun, Partial shade
Soil typeClay, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained, Well-drained
AspectNorth-facing, West-facing, East-facing, South-facing
ExposureSheltered
UK hardinessH4
Plant details
Plant typeClimber Wall Shrub
HabitClimbing
FoliageDeciduous
HeightHigher than 12 metres
Spreadwider than 8 metres
Time to full height10-20 years
Suggested usesCity and courtyard gardens, Coastal, Cottage and informal garden, Wildlife gardens
ToxicitySkin allergen. Wear gloves and other protective equipment when handling. Pets (dogs, cats): Harmful if eaten. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Care notes
CultivationGrow in moist but well-drained, humus rich soil, in sun or partial shade with shelter from cold, drying winds and from late frosts, which may damage young leaf and bud growth. See climbing hydrangea cultivation for detailed advice
PruningPruning group 11 after flowering
PropagationPropagate by layering
Pest resistanceMay be susceptible to aphids, capsid bug, glasshouse red spider mite, vine weevil and hydrangea scale
Disease resistanceMay be susceptible to a leaf spot, powdery mildews, grey moulds (Botrytis) and honey fungus (rarely)