About
An erect herbaceous perennial to 1.5m in height, with attractively divided leaves and tall panicles of long-lasting, rosette-like, double lilac-purple flowers.
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
SunlightPartial shade
Soil typeChalk, Clay, Loam
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained, Poorly-drained
AspectWest-facing, East-facing
ExposureSheltered
UK hardinessH7
Plant details
Plant typeHerbaceous Perennial
HabitColumnar upright
FoliageDeciduous
Height1-1.5 metres
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesWildlife gardens, Cottage and informal garden
ToxicityContact with foliage may irritate the skin. Wear gloves and other protective equipment when handling
Care notes
CultivationGrow in moist, humus-rich soil in partial shade. May need staking. See staking perennials for further advice.
PruningCut down stems once flowering is over
PropagationPropagate by division as new growth begins in the spring
Pest resistanceGenerally pest-free
Disease resistanceMay be susceptible to powdery mildews in dry conditions