About

A vigorous, upright, clump-forming, rhizomatous herbaceous perennial up to 2.5m high, with blue-green three or four-ternate leaves and dark purple stems. Hazy panicles of dusky pale lavender-pink flowers with prominent creamy-yellow stamens appear in summer. A tall variety.

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 typeChalk, Clay, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained
AspectSouth-facing, North-facing, East-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH7

Plant details

Plant typeHerbaceous Perennial
HabitClump forming
FoliageDeciduous
Height1.5-2.5 metres
Spread0.5-1 metres
Time to full height2-5 years
Suggested usesCottage and informal garden, City and courtyard gardens, Architectural

Care notes

CultivationGrow in moisture-retentive, humus-rich but well-drained soil in partial shade, and provide support if necessary, for example by growing among shrubs. See staking perennials for further advice
PruningNo pruning required
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