Erysimum pulchellum
rock wallflower
Dense, evergreen perennial about 20-30cm tall, forming a wide mat of woody stems bearing small, narrow green leaves and short stems of bright, lemon-yellow flowers, produced above the foliage, from spring to early summer
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Size
Ultimate height
0.1–0.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Well–drainedpH
Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Yellow | Green | ||
---|---|---|---|---|
Summer | Yellow | Green | ||
Autumn | Green | |||
Winter | Green |
Position
- Full sun
Aspect
South–facing or West–facing
Exposure
Sheltered Hardiness
H5Botanical details
- Family
- Brassicaceae
- Native to GB / Ireland
- No
- Foliage
- Evergreen
- Habit
- Spreading branched
- 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 a sunny position in poor to moderately fertile, well-drained, neutral to alkaline soil
Propagation
Propagate by softwood cuttings in spring or summer
Suggested planting locations and garden types
- Coastal
- Cottage and informal garden
- Gravel garden
- Rock garden
- Wildlife gardens
- Banks and slopes
- Flower borders and beds
- Ground cover
Pruning
Trim after flowering to prevent plants becoming leggy
Pests
May be susceptible to slugs, snails, cabbage root fly and flea beetles
Diseases
May be susceptible to downy mildews, club root, leaf spot, root rot and virus diseases
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