About
A clump-forming, rhizomatous deciduous perennial to 90cm tall, with deeply lobed mid to dark green leaves and upright stems of densely-packed clusters of open, white saucer-shaped flowers in July and August.
About the genus
Sidalcea can be annuals or perennials, forming a clump of rounded or palmately lobed basal leaves, with erect stems bearing more deeply divided leaves and terminal racemes of 5-petalled mallow-like flowers
Growing conditions
SunlightFull sun, Partial shade
Soil typeLoam, Sand
Soil pHAcid, Neutral
Soil moistureMoist but well-drained
AspectSouth-facing, West-facing
ExposureSheltered
UK hardinessH7
Plant details
Plant typeHerbaceous Perennial
HabitClump forming
FoliageDeciduous
Height0.5-1 metres
Spread0-0.1 metre
Time to full height2-5 years
Suggested usesCottage and informal garden, Wildlife gardens
Care notes
CultivationGrow in moderately fertile, moist but well-drained, light, neutral to slightly acid soil in full sun
PruningDeadhead to prolong flowering
PropagationPropagate by division, or by sowing seed in containers in a cold frame in autumn or spring
Pest resistanceMay be susceptible to slugs and snails
Disease resistanceMay be susceptible to rust diseases