About
A clump-forming perennial with erect, dark stems to around 80cm tall bearing small, divided leaves with blue-green, lobed leaflets. In summer, small, perfumed flowers of lavender tipped with white are borne in branching panicles.
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
AspectEast-facing, North-facing, South-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH6
Plant details
Plant typeHerbaceous Perennial
HabitClump forming
FoliageDeciduous
Height0.5-1 metres
Spread0.5-1 metres
Time to full height2-5 years
Suggested usesCottage and informal garden
FragranceFlower
Care notes
CultivationPrefers moist, humus-rich soil in partial shade, though will tolerate a sunny position if not too dry
PruningFaded flower stems can be cut back in late autumn or in spring before new growth starts emerging
PropagationPropagate by division in spring as new growth begins
Pest resistanceMay be susceptible to slugs
Disease resistanceMay be susceptible to powdery mildews in dry conditions