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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
common camassia bear's grass
camas camash camass camosh North American wild hyacinth quamash
Camassia esculenta Lindl. Camassia teapeae
Camassia are bulbous perennials with narrow, channelled leaves and erect racemes of star-shaped violet-blue or creamy-white flowers in early summer
C. quamash is a clump-forming bulbous perennial, growing to 80cm tall, with long, narrow basal leaves. In late spring and early summer, upright stems bear a dense spike of star-shaped blue flowers, up to 7cm across
W US to Montana
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 West-facing or East-facing
MoistureMoist but well-drained
SoilSand, Chalk, Loam
pHAcid, Alkaline, Neutral
Time to ultimate height
Grow in moist but well-drained, deep, humus-rich, fertile soil. Intolerant of waterlogging and may need some protection from frosts in colder areas. Very good for naturalising in meadows
Propagate by seed sown in pots in a cold frame as soon as seed is ripe. Remove offsets when dormant in winter- see bulb propagation
Suggested planting locations and garden types
Banks and Slopes Flower borders and beds Underplanting of Roses and Shrubs Cut Flowers
Cottage & Informal Garden Wildflower meadow
Pruning Cut back faded flower spike unless collecting seed
Pests Generally pest free
Generally disease free
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
Buy from £3.99 at the RHS Plants Shop
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.