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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.
the RHS today and get 12 months for the price of 9
Other common names
camass Caerulea Group
Camassia leichtlinii 'Caerulea' Camassia leichtlinii Caerulea Group
Camassia are bulbous perennials with narrow, channelled leaves and erect racemes of star-shaped violet-blue or creamy-white flowers in early summer
Caerulea Group are tall clump-forming bulbous perennial with long, linear leaves and star-shaped blue flowers in racemes on erect stems in late spring
W North America
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
Aspect South-facing or East-facing or West-facing
MoistureMoist but well-drained
SoilSand, Chalk, Loam
pHAcid, Alkaline, Neutral
Time to ultimate height
Grow in moist but well-drained, humus-rich, fertile soil. Intolerant of waterlogging and may need some protection from frosts in colder areas
Propagate by seed sown in pots in a cold frame as soon as seed is ripe. Remove offsets when dormant in winter
Suggested planting locations and garden types
Banks and Slopes Flower borders and beds Underplanting of Roses and Shrubs
Wildflower meadow Cottage & Informal Garden
Pruning Cut back faded flower spike
Pests Generally pest free
Generally disease free
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.