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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:
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Other common names
yellow day lily
Hemerocallis flava Hemerocallis 'Lilioasphodelus'
Hemerocallis may be evergreen or herbaceous perennials, with narrow, strap-shaped leaves and funnel-shaped flowers on erect stems in late spring or early summer
H. lilioasphodelus is a spreading rhizomatous perennial to 80cm in height, with narrow leaves and fragrant, lily-shaped light yellow flowers 8-9cm in width
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 South-facing or East-facing or West-facing
Exposure Exposed or Sheltered
MoistureMoist but well-drained, Poorly-drained
SoilClay, Loam, Chalk
pHAcid, Alkaline, Neutral
Time to ultimate height
Grow in a fertile, moist but well-drained soil preferably in full sun. Copes well with heavy clay. May need watering in spring to early summer in dry conditions to ensure flowering
Propagate by division in spring or autumn; evergreen plants are best divided in spring
Suggested planting locations and garden types
Flower borders and beds Low Maintenance
Cottage & Informal Garden Prairie Planting Coastal
Pruning Remove spent flowers and remove dead foliage as required.
Pests Can get aphids and hemerocallis gall midge
May be affected by a leaf spot
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
yellow day lily
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