About
An upright, clump-forming perennial with bluish-green leaves composed of obovate leaflets. Dense, frothy clusters of white flowers, with prominent white stamens, produced in panicles on glaucous stems in late spring or early 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 typeClay, Loam
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained
AspectNorth-facing, East-facing
ExposureSheltered
UK hardinessH5
Plant details
Plant typeHerbaceous Perennial
HabitClump forming
FoliageDeciduous
Height0.5-1 metres
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesCoastal, Cottage and informal garden, Gravel 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
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 resistanceSlugs may be a problem
Disease resistanceMay be susceptible to powdery mildews in dry conditions