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We have combined these two powerful search tools into a single Find a Plant service searching over 250,000 plant records.
Virtually all of the features of the old searches are still available and in addition we have added several new features to create a more comprehensive and user friendly search experience.
When using this search
Search by plant name, key attributes or both to find plant details and a list of
AGM plants have been through a rigorous trial and assessment programme. They are:
© RHS 1999
the RHS today and get 12 months for the price of 9
Other common names
black snakeroot bugbane
black cohosh cohosh bugbane
Cimicifuga racemosa Cimicifuga racemosa var. racemosa
Actaea are rhizomatous herbaceous perennials with compound leaves and small creamy-white flowers in short, erect, simple or branched terminal racemes, followed either by poisonous red, black or white berries, or by star-shaped clustered brown follicles
A. racemosa is a perennial to 1.5m, with long, branched, bottlebrush-like racemes of small, white flowers carried well above the bright green, divided leaves, and followed by dry brown follicles
E North America
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
Aspect East-facing or West-facing or North-facing
MoistureMoist but well-drained, Poorly-drained
pHAcid, Alkaline, Neutral
Time to ultimate height
Grow in cool, moist, moderately fertile soil, enriched with organic matter. Water thoroughly in dry weather.
Propagate by seed sown in pots in a cold frame in autumn or by division in early spring
Suggested planting locations and garden types
Flower borders and beds
Cottage & Informal Garden Wildflower meadow
Pruning Cut back after flowering or fruiting
Pests Generally pest free
Generally disease free
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
We're a UK charity established to share the best in gardening. We want to enrich everyone's life through plants, and make the UK a greener and more beautiful place.
Join the RHS today and get 12 months for the price of 9