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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 English lavender common lavender
spike-oil plant
Synonyms Lavandula vera Lavandula officinalis
Lavandula spica Lavandula spica
Family Lamiaceae
Genus Lavandula are small aromatic evergreen shrubs with usually narrow, simple, entire, toothed or lobed leaves and small tubular flowers in dense spikes in summer
Details L. angustifolia is a compact, bushy shrub to 1m tall and rather more wide, with narrow, aromatic, grey-green leaves. In mid- and late summer it produces long, unbranched stalks carrying short, dense spikes of fragrant, pale to deep purple flowers
Plant range S Europe
Foliage Evergreen
Habit Bushy
Fragrance Flower
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 East-facing or West-facing
Exposure Sheltered
Chalk
Loam
Sand
MoistureWell-drained
SoilChalk, Loam, Sand
pHAcid, Alkaline, Neutral
Ultimate height 0.5-1 metres
Ultimate spread 1-1.5 metres
Time to ultimate height 2-5 years
Cultivation Prefers a well-drained neutral to alkaline soil but tolerates acidic conditions. In heavy soil improve drainage as it does not tolerate waterlogging. Potash will encourage flowering but high nitrogen fertilisers and manure will result in ""floppy"" plants. See lavender cultivation
Propagation Propagate by seed sown in a cold frame in spring, or by semi-hardwood cuttings in summer
Suggested planting locations and garden types Garden Edging Banks and Slopes Flower borders and beds Gravel Garden Mediterranean Climate Plants City & Courtyard Gardens Cottage & Informal Garden Patio & Container Plants Wildlife Gardens
Pruning Pruning group 10, after flowering
Pests Cuckoo spit (froghoppers) and rosemary beetle may be a problem
Diseases Grey moulds may be a problem
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English lavender
Buy from £5.99 at the RHS Plants Shop
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