About
This upright, clump-forming perennial to around 1.8m tall with purple stems clothed in whorls of dark green, lance-shaped leaves with toothed margins. Terminal heads of tiny light purple to pink flowers are borne from midsummer into early autumn.
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
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