Caryopteris × clandonensis 'Dark Knight'
bluebeard 'Dark Knight'
'Dark Knight' is a rounded, deciduous shrub to 1.2m tall with ovate to lance-shaped aromatic leaves which are silvery below. In late summer and early autumn, a profusion of deep blue-purple flowers are borne
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Size
Ultimate height
1–1.5 metresTime to ultimate height
5–10 yearsUltimate spread
1–1.5 metresGrowing conditions
Moisture
Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green Grey Silver | |||
|---|---|---|---|---|
| Summer | Blue Purple | Green Grey Silver | ||
| Autumn | Blue Purple | |||
| Winter |
Position
- Full sun
Aspect
South–facing or West–facing
Exposure
Sheltered Hardiness
H4Botanical details
- Family
- Lamiaceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Bushy
- Genus
Caryopteris can be deciduous shrubs or perennials, with aromatic, simple leaves and small blue or white flowers in compact axillary clusters in late summer and autumn
- Name status
Accepted
How to grow
Cultivation
Grow in moderately fertile, light, well-drained soil in full sun. Best positioned near a warm, sunny wall
Propagation
Root softwood cuttings from spring to midsummer, semi-ripe cuttings from mid to late summer or hardwood cuttings from late autumn to midwinter
Suggested planting locations and garden types
- City and courtyard gardens
- Coastal
- Cottage and informal garden
- Mediterranean climate plants
- Flower borders and beds
Pruning
Pests
May be susceptible to capsid bugs and mealybugs
Diseases
May be susceptible to honey fungus
Get involved
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