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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
Epimedium × youngianum 'Sulphureum' Epimedium macranthum 'Sulphureum'
Epimedium luteum Epimedium sulphureum
Epimedium are rhizomatous perennials with evergreen or deciduous, ternately or pinnately divided leaves, and open sprays of small, bowl-shaped flowers, often with prominent spurs, in mid to late spring
'Sulphureum' is an evergreen perennial, to 35cm in height, forming a clump of red-tinted, light green leaves. Primrose-yellow flowers, 2cm in width, are carried in open sprays
Habit Spreading / Branched
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 North-facing or East-facing
MoistureMoist but well-drained, Well-drained
SoilChalk, Loam, Sand
Time to ultimate height
Grow in fertile, moist but well-drained, humus-rich soil in partial shade; shelter from cold, dry winds. Can tolerate full sun, full shade or slightly drier soils
Propagate by division in autumn or after flowering
Suggested planting locations and garden types
Flower borders and beds Ground Cover Banks and Slopes Underplanting of Roses and Shrubs
Pruning Pruning is unnecessary. Evergreen foliage can be sheared over in early spring to tidy old leaves and show off the flowers but in cold gardens this may expose new growth to frost damage
Pests Prone to vine weevils
May be affected by a virus
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.