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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.
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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.
© Christopher Whitehouse
the RHS today and get 12 months for the price of 9
Other common names
American wake robin American wood lily
large white wood lily white wake robin wake-robin snow trillium
Trillium are rhizomatous, herbaceous perennials with erect stems bearing a whorl of ovate or diamond-shaped leaves, with one or more erect or nodding flowers borne at the stem apex
T. grandiflorum is a vigorous perennial forming a large clump of erect stems each carrying a whorl of three broadly ovate leaves and a solitary terminal flower to 10cm across, with three recurved white petals
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 North-facing or East-facing or West-facing
MoistureMoist but well-drained
SoilSand, Loam, Chalk
Time to ultimate height
Grow in deep, moist but well-drained, humus-rich, preferably acid to neutral soil in deep or partial shade. Mulch in autumn with leaf mould
Propagate by seed in pots in a shady cold frame as soon as seed is ripe; takes 5-7 years to reach flowering size. Propagate rhizomes by division after flowering or cut out the growing point from the rhizome after flowering, which stimulates the formation of offsets
Suggested planting locations and garden types
Flower borders and beds Underplanting of Roses and Shrubs
Pruning No pruning required
Pests Slugs and snails may be a problem
Generally disease free
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
American wake robin
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