About
A clump-forming perennial with upright dark green to bronze stems and leaves divided into numerous oblong to ovate, blue-green leaflets. Panicles of lilac blue to pale purple flowers are displayed 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
SunlightPartial shade
Soil typeLoam, Clay, Chalk
Soil pHNeutral, Acid, Alkaline
Soil moistureMoist but well-drained
AspectEast-facing, West-facing
ExposureSheltered
UK hardinessH5
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
Care notes
CultivationGrow in moist, humus-rich, neutral to acid soil in partial shade. Water regularly in dry periods. Typically requires staking.
PruningFaded flower stems can be cut back in late autumn or in spring before new growth starts emerging.
PropagationPropagate by division
Pest resistanceGenerally pest-free
Disease resistanceMay be susceptible to Powdery mildews