California lilac 'Cool Blue'
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An upright, evergreen variegated shrub to 1.2m with arching branches and small, glossy, mid-green leaves with creamy white margins. Bears clusters of tiny, pale to dark blue flowers in spring
Scientific classification
- Species
- California lilac 'Cool Blue' (Ceanothus thyrsiflorus 'Cool Blue')
- Genus
- Ceanothus
- Family
- Rhamnaceae
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- Toxicity
- Shrubs
- Plant type
- 1.5-2.5 metres
- Height
- 1.5-2.5 metres
- Spread
- Evergreen
- Foliage
- Bushy
- Habit
- Spring · Summer · Autumn · Winter
- Season of interest
- Full sun
- Sunlight
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- Ideal temperature
California lilac 'Cool Blue' pictures
Distribution of California lilac 'Cool Blue'
Distribution map
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Culture
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Toxicity
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Quick identification of California lilac 'Cool Blue'
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California lilac 'Cool Blue' care guide
- Moderate regular watering, allowing brief slight drying between soakings
- Watering
- Full sun
- Sunlight
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- Ideal temperature
Watering
Moderate regular watering, allowing brief slight drying between soakings
Fertilizing
FertilizingBalanced perennial feed every four weeks from spring through summer
Pruning
PruningUsually little pruning is needed. Lightly shape if necessary, removing dead, damaged or diseased shoots. Prune after flowering has finished.
Propagation
PropagationPropagate by semi-hardwood cuttings in mid- to late summer
Growing
GrowingGrow in fertile, well-drained soil in full sun with shelter from strong, cold winds. Lime tolerant but may become chlorotic on shallow chalk soils. See ceanothus cultivation
People also ask
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Common pests and diseases
Diseases
May be susceptible to honey fungus and phytophthora root disease
Pests
May be susceptible to scale insects
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