About
A large, vigorous deciduous shrub about 2m tall or more, with mid to dark green leaves. Flowers are mostly large, sterile, white, ageing to pink, borne in massive, broadly conical panicles to 20cm across, from late summer to autumn.
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, Neutral
Soil moistureMoist but well-drained, Well-drained
AspectEast-facing, South-facing, North-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH5
Plant details
Plant typeShrubs
HabitBushy
FoliageDeciduous
Height2.5-4 metres
Spread1.5-2.5 metres
Time to full height5-10 years
Suggested usesCottage and informal garden, Patio and container plants, City and courtyard 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 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. This plant was included in the RHS Hydrangea (paniculata) trial 2021-2025
PruningSee pruning group 4 for further advice and video guide
PropagationPropagate by softwood cuttings
Pest resistanceMay be susceptible to aphids, capsid bug, hydrangea scale and vine weevil
Disease resistanceMay be susceptible to a leaf spot, powdery mildews, grey moulds (Botrytis) and honey fungus (rarely)