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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 asphodel white-flowered asphodel
rimmed lichen
Synonyms Asphodelus sphaerocarpus Asphodelus delphinensis
Asphodelus macrocarpus
Family Asphodelaceae
Genus Asphodelus are rhizomatous perennials and annuals with clumps of linear basal leaves, and leafless stems bearing racemes or panicles of star-shaped, white or pink flowers, each tepal with a green or brown central vein
Details A. albus is a perennial forming a dense clump of linear leaves, with pink-veined white flowers to 4cm across in simple or branched racemes in late spring
Plant range Europe
Foliage Deciduous
Habit Tufted
Hardiness
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H4
Full Sun
Aspect South-facing or West-facing or East-facing
Exposure Exposed or Sheltered
Chalk
Loam
Sand
MoistureWell-drained
SoilChalk, Loam, Sand
pHAcid, Alkaline, Neutral
Ultimate height 0.5-1 metres
Ultimate spread 0.1-0.5 metres
Time to ultimate height 2-5 years
Cultivation Grow in moderately fertile, well-drained soil in full sun. Can die back in heavy, poorly-drained soil
Propagation Propagate by seed, sown in pots in a cold frame in spring or propagate by division after flowering
Suggested planting locations and garden types Banks and Slopes Flower borders and beds Mediterranean Climate Plants Gravel Garden
Pruning Although you can cut back flower stems after flowering the seedheads are attractive so can be left
Pests Generally pest free
Diseases Generally disease free
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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.