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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.
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Other common names
white rosebay willowherb
Chamerion angustifolium 'Album' Epilobium angustifolium 'Album'
Epilobium angustifolium var. album Epilobium angustifolium f. leucanthum Epilobium angustifolium
Chamaenerion can be annuals or perennials, sometimes invasive, with erect stems bearing willowy leaves and showy, 4-petalled flowers in terminal racemes
'Album' is a fast-growing, strongly-spreading, rhizomatous perennial forming an extensive patch of erect stems with white flowers 2cm across from mid-summer to early autumn
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
Aspect West-facing or South-facing or East-facing
Exposure Exposed or Sheltered
MoistureMoist but well-drained
SoilChalk, Clay, Loam, Sand
pHAcid, Alkaline, Neutral
Time to ultimate height
Grow in moist but well-drained, humus-rich soil in full sun or partial shade; vigorously spreading by rhizomes and can be invasive so site with care
Propagate by seed sown in a cold frame as soon as ripe or in spring. Propagate by division in spring or autumn. Propagate by softwood cuttings from side shoots in spring.
Suggested planting locations and garden types
Flower borders and beds
Cottage & Informal Garden Wildlife Gardens Wildflower meadow Prairie Planting
Pruning Deadhead to encourage repeat flowering and to prevent self-seeding
Pests Can be damaged by slugs and snails
May be affected by powdery mildews and a rust
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.