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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 wallflower 'Bowles's Mauve'
Synonyms Erysimum linifolium 'Bowles' Mauve' Erysimum linifolium
Family Brassicaceae
Genus Erysimum can be annuals, biennials or woody-based perennials with narrow leaves and dense racemes of often fragrant, 4-petalled flowers
Details 'Bowles's Mauve' is a bushy evergreen perennial to 75cm, with narrow, dark grey-green leaves and erect racemes of rich mauve flowers 2cm in width. Shortlisted for the Chelsea Plant of the Centenary for the decade 1973-1982
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
H4
Full Sun
Aspect East-facing or South-facing or West-facing
Exposure Exposed or Sheltered
Chalk
Loam
Sand
MoistureWell-drained
SoilChalk, Loam, Sand
pHAlkaline, Neutral
Ultimate height 0.5-1 metres
Ultimate spread 0.5-1 metres
Time to ultimate height 2-5 years
Cultivation Grow in poor to moderately fertile, well-drained, neutral or, ideally, alkaline soil; full sun is essential
Propagation Propagate by semi-hardwood cuttings in spring or summer
Suggested planting locations and garden types Flower borders and beds Coastal Cottage & Informal Garden Gravel Garden Mediterranean Climate Plants
Pruning Trim lightly after flowering to prevent plants becoming leggy
Pests Prone to slugs, snails and flea beetles
Diseases May be affected by a downy mildew, club root and bacterial leaf blight
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
wallflower 'Bowles's Mauve'
Buy from £13.98 at the RHS Plants Shop
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.