About
A compact, clump-forming perennial to around 40cm high with blue-green, divided foliage and sprays of purple flowers held above the foliage on dark stems 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
SunlightFull sun, Partial shade
Soil typeChalk, Clay, Sand, Loam
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained
AspectEast-facing, North-facing, South-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH6
Plant details
Plant typeHerbaceous Perennial
HabitClump forming
FoliageDeciduous
Height0.1-0.5 metres
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesCity and courtyard gardens, Cottage and informal garden
Care notes
CultivationGrows best in a moist, humus-rich soil in partial shade
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