Iberis sempervirens 'Whiteout'
An evergreen, mound-forming, woody-based perennial or sub-shrub to around 30cm high, with narrow, glossy green leaves. Masses of rounded clusters of small white flowers with tiny yellow centres are produced from late spring to early summer
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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
Alkaline, NeutralColour & 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
H5Botanical details
- Family
- Brassicaceae
- Native to the UK
- No
- Foliage
- Evergreen
- Habit
- Bushy, 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
- Gravel garden
- Patio and container plants
- 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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