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Beginner
skill rating |
 |
8m
max. spread |
 |
8m
max. height |
 |
10-20 years
to maturity |
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1 hour care
per year |
Botanical name: Ceanothus arboreus 'Trewithen Blue'
Other names: Californian lilac 'Trewithen Blue'
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Genus: Ceanothus
Variety or cultivar: 'Trewithen Blue' _ 'Trewithen Blue' is a large vigorous evergreen spreading shrub with slightly fragrant deep blue flowers in long panicles.
Ceanothus arboreus 'Trewithen Blue' is: Evergreen
Flower: Blue in Spring; Blue in Summer
Foliage: Dark-green in All seasons
Habit: Branching, Spreading
Awards: RHS AGM (Award of Garden Merit)
Ceanothus arboreus 'Trewithen Blue' (Californian lilac 'Trewithen Blue') will reach a height of 8m and a spread of 8m after 10-20 years.
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Suggested uses: City, Wallside and trellises
Cultivation: Plant in well-drained soil in a sheltered position in full sun.
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| Soil types: |
Chalky, Loamy, Sandy |
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| Soil drainage: |
Moist but well-drained, Well-drained |
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| Soil pH: |
Alkaline, Neutral |
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| Light: |
Full Sun |
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| Aspect: |
South, East, West |
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| Exposure: |
Sheltered |
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| Hardiness: |
Tender in frost (H3) |
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We list 22 suppliers who tell us they sell Ceanothus arboreus 'Trewithen Blue' (Californian lilac 'Trewithen Blue'). In order to see the list you'll need to either register or log in as a full member.
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