About

A clump-forming, deciduous perennial generally remaining relatively compact with flower stems to 30cm tall but occasionally reaching up to around 60cm. Clusters of small white flowers are borne on slender stems in summer. Foliage is blue-green and divided into small, rounded and lobed leaflets.

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 typeClay, Loam, Chalk, Sand
Soil pHAlkaline, Neutral, Acid
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, Patio and container plants, Rock garden
Native toE Asia

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 seed or by division
Pest resistanceMay be susceptible to slugs
Disease resistanceMay be susceptible to powdery mildews in dry conditions