About
A tall, herbaceous perennial with lacy foliage and upright, near-black stems to 2m bearing generous sprays of fluffy, bright purplish-pink flowers in mid- to late summer.
About the genus
Thalictrum can be rhizomatous or tuberous perennials with ternately or pinnately divided, often attractive foliage, and panicles or racemes of small flowers with showy stamens and sometimes large colourful petal-like sepals
Growing conditions
SunlightFull sun, Partial shade
Soil typeChalk, Clay, Loam
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained, Poorly-drained
AspectSouth-facing, North-facing, West-facing, East-facing
ExposureSheltered
UK hardinessH7
Plant details
Plant typeHerbaceous Perennial
HabitColumnar upright
FoliageDeciduous
Height1.5-2.5 metres
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesArchitectural, Cottage and informal garden
Care notes
CultivationPrefers moist, humus-rich soil in partial shade, though will tolerate a sunny position if not too dry
PruningCut down stems once flowering is over
PropagationPropagate by division in spring as new growth begins
Pest resistanceGenerally pest-free
Disease resistanceMay be susceptible to powdery mildews in dry conditions