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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:
This plant will provide nectar and pollen for bees and the many other types of pollinating insects.
It is included in an evolving list of plants carefully researched and chosen by RHS experts. Divided into 3 groups these lists, linked below, are maintained by a team of RHS staff and are reviewed annually.
© RHS 2002
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Other common names
black cohosh coralberry
rattlesnake herb red baneberry redberry snakeberry
Actaea arguta Actaea erythrocarpa
Actaea rubra subsp. arguta Actaea spicata 'Erythrocarpa' Actaea spicata subsp. erythrocarpa Actaea spicata var. erythrocarpa Actaea spicata var. rubra
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. rubra is a clump-forming herbaceous perennial to 50cm, with bright green, divided leaves and spikes of small, fluffy white flowers in late spring and early summer, followed by glossy scarlet berries
Toxicity Toxic if ingested
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
Time to ultimate height
Best grown in cool, moist, reasonably fertile soil in partial shade but will tolerate most soils if enriched with organic matter
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
Wildflower meadow Cottage & Informal Garden
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