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Alpine RockeryHerbaceous Perennial

Arabis allionii
  • RHS Plants for pollinators

A tufted, short-lived perennial wallflower grown as a biennial, about 50-60cm tall, with coarsely-toothed, green leaves, and rich orange, very fragrant flowers in short racemes, appearing from mid spring to early summer

Synonyms
Arabis glabrata
Arabis sudetica
see moreErysimum allionii
Arabis constricta
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Size
Ultimate height
0.5–1 metres
Time to ultimate height
1–2 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Well–drained
pH
Neutral, Alkaline
Colour & scent
StemFlowerFoliageFruit
Spring Orange Green
Summer Orange Green
Autumn Green
Winter Green
Position
  • Full sun
Aspect

East–facing or South–facing or West–facing

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

Arabis can be annuals or evergreen perennials, usually mat-forming, with simple leaves and racemes of 4-petalled white, pink or purple flowers.

Name status

Correct

How to grow

Cultivation

Grow in well-drained neutral or ideally alkaline soil in full sun

Propagation

Propagate by seed in spring, or by softwood cuttings in spring or summer

Suggested planting locations and garden types
  • Wildflower meadow
  • Wildlife gardens
Pruning

Trim back after flowering

Pests

May be susceptible to flea beetles

Diseases

May be susceptible to downy mildews, white blister, and virus diseases

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