Iberis gibraltarica 'Betty Swainson'
A compact, short-lived evergreen perennial to around 30cm high, with spoon shaped, serrated dark green leaves. Dense, rounded heads of scented white flowers are produced from spring into summer, and occasionally again in autumn
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Size
Ultimate height
0.1–0.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Neutral, AlkalineColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | White | Green | ||
|---|---|---|---|---|
| Summer | White | Green | ||
| Autumn | Green | |||
| Winter | Green |
Position
- Full sun
Aspect
South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H4Botanical details
- Family
- Brassicaceae
- Native to GB / Ireland
- No
- Foliage
- Evergreen
- Habit
- Clump forming
- Genus
Iberis can be annuals, evergreen perennials or sub-shrubs, with narrow leaves and racemes of white, pink or purple flowers
- Name status
Accepted
How to grow
Cultivation
Grow in moist but well-drained, neutral to alkaline soil in full sun. Will not tolerate waterlogging
Propagation
Propagate by softwood cuttings in late spring or semi-ripe cuttings in summer
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Patio and container plants
- Gravel garden
- Rock garden
Pruning
Trim lightly after flowering to maintain compact shape
Pests
May be susceptible to slugs, snails and sometimes caterpillars
Diseases
May be susceptible to club root
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