About
Massive White' is a clump-forming, herbaceous perennial with sharply pointed, yellow-green leaves and sturdy stems up to 3m in height. Large heads of fluffy white flowers are borne from early or midsummer to 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
AspectSouth-facing, East-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH7
Plant details
Plant typeHerbaceous Perennial, Bogs
HabitClump forming
FoliageDeciduous
Height1.5-2.5 metres
Spread0.5-1 metres
Time to full height2-5 years
Suggested usesPrairie planting, Cottage and informal garden
Care notes
CultivationGrow in any moist soil in sun or part shade; prefers alkaline soil
PruningCut back at the end of the season
PropagationPropagate by softwood basal stem cuttings or division in spring
Pest resistanceMay be susceptible to slugs and aphids
Disease resistanceGenerally disease-free