About
An upright, clump-forming, rhizomatous perennial to about 90cm with highly divided leaves composed of many small leaflets. Loose sprays of small, lavender-pink or white flowers with hanging, yellow stamens are produced in 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
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
HabitBushy
FoliageDeciduous
Height0.5-1 metres
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesWildlife gardens, Cottage and informal garden
Native toJapan, Korea
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 seed in pots in a cold frame as soon as seed is ripe or in early spring. Propagate by division in spring as new growth begins
Pest resistanceGenerally pest-free
Disease resistanceMay be susceptible to powdery mildews in dry conditions