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Annual BiennialHerbaceous PerennialBedding

Erysimum cheiri 'Sunset Primrose' (Sunset Series)
  • RHS AGM
  • RHS Plants for pollinators

wallflower 'Sunset Primrose'

'Sunset Primrose' is a short-lived, evergreen perennial to 50cm, normally grown as a biennial. The richly-fragrant flowers open in mid spring, starting lemon yellow and ageing to primrose

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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
1–2 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Well–drained
pH
Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Yellow Green
Summer Green
Autumn Green
Winter Green
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H5
Botanical details
Family
Brassicaceae
Native to GB / Ireland
No
Foliage
Evergreen
Habit
Columnar upright
Genus

Erysimum can be annuals, biennials or woody-based perennials with narrow leaves and dense racemes of often fragrant, 4-petalled flowers

Name status

Unresolved

How to grow

Cultivation

Grow in poor to moderately fertile, well-drained, preferably alkaline soil in full sun

Propagation

Propagate by seed sown in a seed bed from late spring to early summer, transplanting to flowering positions in mid-autumn

Suggested planting locations and garden types
  • City and courtyard gardens
  • Patio and container plants
  • Cottage and informal garden
  • Wildlife gardens
  • Flower borders and beds
Pruning

No pruning required

Pests

May be susceptible to slugs, snails and flea beetles

Diseases

Susceptible to a range of diseases including club root, downy mildews, leaf spot, root rot and a virus

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