About

A clump-forming deciduous perennial to 1m tall, with deeply divided fresh green foliage which emerges in spring yellow-green in colour with bronze flushes to the tips and in summer clusters of fluffy, aromatic lemon 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 typeLoam, Clay, Chalk
Soil pHNeutral, Acid, Alkaline
Soil moistureMoist but well-drained
AspectWest-facing, East-facing
ExposureSheltered
UK hardinessH6

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 resistanceGenerally pest-free
Disease resistanceMay be susceptible to powdery mildews