About

An erect, clump-forming perennial to 2m tall bearing terminal heads of small, pinkish-purple flowers in late summer and early autumn. Oval or lance-shaped, finely-toothed leaves to 25cm long are borne in whorls on stems spotted with purple.

About the genus

A small genus of five flowering herbaceous perennial species native to North America. Erect, stout stems carry lance-shaped leaves and terminal large, fluffy clusters of many small, pink, sometimes white flowers

Growing conditions

SunlightFull sun, Partial shade
Soil typeChalk, Clay, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained, Poorly-drained, Well-drained
AspectEast-facing, South-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH7

Plant details

Plant typeHerbaceous Perennial
HabitClump forming
FoliageDeciduous
Height1.5-2.5 metres
Spread0.5-1 metres
Time to full height2-5 years
Suggested usesCottage and informal garden, Prairie planting, Wildlife gardens
Native toN America

Care notes

CultivationGrow in any moist soil in sun or part shade; prefers alkaline soil
PruningCut back to the ground in late autumn
PropagationPropagate by seed or by division in spring
Pest resistanceGenerally pest-free
Disease resistanceGenerally disease-free