About
A rounded, deciduous shrub with mid-green oval leaves and large, domed flower heads from mid-to to late summer to 1-1.5m (3.2-5ft). Flowers heads comprise of many small star-shaped, double flowers that emerge light green before maturing to cream-white.
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
AspectEast-facing, North-facing, South-facing, West-facing
ExposureSheltered
UK hardinessH6
Plant details
Plant typeShrubs
HabitBushy
FoliageDeciduous
Height1-1.5 metres
Spread1-1.5 metres
Time to full height2-5 years
Suggested usesCity and courtyard gardens, Cottage and informal garden
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 any moist but well-drained soil in partial shade or grow in sun if soil remains reliably moist. Improve chalky soils with organic matter to support good growth. See shrubby hydrangea cultivation for further advice
PruningPruning group 1, or pruning group 6.
PropagationPropagate by softwood cuttings in early summer, or hardwood cuttings in winter.
Pest resistanceMay be susceptible to aphids, glasshouse red spider mite, scale insects, vine weevil and capsid bug.
Disease resistanceMay be susceptible to a leaf spot, powdery mildews, grey moulds (Botrytis) and honey fungus (rarely)