About
A vigorous, clump-forming, rhizomatous herbaceous perennial to about 1.2m high, with greyish, blue-green stems and deeply divided greyish blue-green foliage. In summer clusters of fluffy, perfumed creamy-yellow flowers are produced.
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, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained
AspectSouth-facing, West-facing, East-facing
ExposureExposed, Sheltered
UK hardinessH7
Plant details
Plant typeHerbaceous Perennial
HabitClump forming
FoliageDeciduous
Height1-1.5 metres
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesCottage and informal garden, Wildlife gardens
FragranceFlower
Care notes
CultivationGrow in moist, humus-rich soil, best partial shade but can tolerate drier soil and more sun than many other species. May need staking. See staking perennials for further advice
PruningFaded flower stems can be cut back in late autumn or in spring before new growth starts emerging
PropagationPropagate by division as new growth begins in spring; divisions may be slow to re-establish
Pest resistanceMay be susceptible to slugs
Disease resistanceMay be susceptible to powdery mildews in dry conditions