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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 Jerusalem sage Jupiter's distaff
yellow clary
Synonyms Phlomis angustifolia
Family Lamiaceae
Genus Phlomis can be herbaceous perennials or evergreen shrubs, with sage-like leaves and whorls of tubular, hooded flowers over a long period in summer
Details P. fruticosa is a small spreading evergreen shrub, the erect shoots bearing sage-like, grey-green ovate leaves to 12cm in length. Flowers 3cm in length, hooded, deep yellow, in whorls in the upper leaf axils from early summer
Plant range Mediterranean
Foliage Evergreen
Habit Bushy
Hardiness
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H5
Full Sun
Aspect South-facing or West-facing or East-facing
Exposure Sheltered
Chalk
Loam
Sand
MoistureMoist but well-drained, Well-drained
SoilChalk, Loam, Sand
pHAcid, Alkaline, Neutral
Ultimate height 0.5-1 metres
Ultimate spread 1-1.5 metres
Time to ultimate height 5-10 years
Cultivation Easy to grow in any well-drained fertile soil in full sun. Seed heads can be left over winter for their effect
Propagation Propagate by softwood cuttings in summer or division in the spring. Propagate by seed in late spring under cover
Suggested planting locations and garden types Flower borders and beds Low Maintenance Drought Resistant Coastal Mediterranean Climate Plants Cottage & Informal Garden
Pruning Pruning group 8 or pruning group 9
Pests Leafhoppers may be a problem
Diseases Generally disease free
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