About

A vigorous suckering woody-based perennial with bright, glaucous grey-green, pinnately lobed leaves and cup-shaped pure white flowers 12cm across, with conspicuous deep yellow stamens, over a long period in summer.

About the genus

Romneya are suckering subshrubs with pinnately lobed leaves and large white flowers in summer

Growing conditions

SunlightFull sun
Soil typeLoam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained, Well-drained
AspectEast-facing, South-facing
ExposureSheltered
UK hardinessH5

Plant details

Plant typeHerbaceous Perennial
HabitClump forming
FoliageDeciduous
Height1.5-2.5 metres
Spread1.5-2.5 metres
Time to full height2-5 years
Suggested usesCity and courtyard gardens, Mediterranean climate plants, Coastal, Cottage and informal garden

Care notes

CultivationGrow against a warm, sunny wall protected from cold winds. Mulch deeply prior to winter. They dislike transplanting
PruningPruning group 6
PropagationPropagate by basal cuttings in spring, or root cuttings in winter
Pest resistanceCaterpillars may be a problem
Disease resistanceMay be susceptible to powdery mildews