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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 asphodel flower of the dead
Jacob's rod king's spear yellow asphodel
Synonyms Asphodeline flava Asphodelus luteus
Family Asphodelaceae
Genus Asphodeline can be herbaceous perennials or biennials forming a clump of narrow, grassy leaves, with starry yellow or white flowers borne in racemes on erect stems
Details A. lutea is a clump-forming perennial with narrow, channelled leaves and fragrant bright yellow flowers to 3cm across, in dense racemes in late spring
Plant range Mediterranean to Caucasus
Foliage Deciduous
Habit Tufted
Fragrance Flower
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 East-facing or West-facing
Exposure Exposed or Sheltered
Chalk
Loam
Sand
MoistureWell-drained
SoilChalk, Loam, Sand
pHAcid, Alkaline, Neutral
Ultimate height 1-1.5 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 Gravel Garden Mediterranean Climate Plants
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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