Overview

Erysimum capitatum is a plant with a bushy habit in the genus Erysimum, part of the Brassicaceae family, with evergreen foliage. Erysimum capitatum grows best in full sun, and tolerates most soils and neutral and alkaline pH. Its UK hardiness is rated H5. Suggested uses include coastal, cottage and informal garden, gravel garden, wildlife gardens, garden edging and flower borders and beds.

About

Erysimum capitatum is a species of wallflower known commonly as the sanddune wallflower, western wallflower, or prairie rocket.

Wikipedia contributors, CC BY-SA 4.0Erysimum capitatum

Growing conditions

Best soil and position for Erysimum

Sunlight
Full sun
Soil type
Chalk, Loam, Sand
Soil pH
Neutral, Alkaline
Soil moisture
Well-drained
Aspect
South-facing, West-facing, East-facing
Exposure
Exposed, Sheltered
UK hardiness
H5

Plant details

Erysimum capitatum size, habit and characteristics

Habit
Bushy
Foliage
Evergreen
Suggested uses
Coastal, Cottage and informal garden, Gravel garden, Wildlife gardens, Garden edging, Flower borders and beds

Care notes

Pruning and caring for Erysimum capitatum

Propagation
Softwood cuttings in spring or summer
Pest resistance
Slugs, Snails, Cabbage root fly, Flea beetles
Disease resistance
Downy mildews, Club root, Leaf spot, Root rot, Virus diseases

Frequently asked questions

Where is the best place to plant Erysimum capitatum?

Erysimum capitatum prefers full sun. It suits exposed and sheltered positions.

What soil does Erysimum capitatum need?

Erysimum capitatum is adaptable and grows happily in most soil types, including chalk, loam and sand. It prefers neutral and alkaline soil. Aim for soil that stays well-drained.

Is Erysimum capitatum hardy in the UK?

Erysimum capitatum has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.

How do I propagate Erysimum capitatum?

Softwood cuttings in spring or summer.

More in the Erysimum genus

Browse all Erysimum