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Ceanothus arboreus 'Trewithen Blue' (Feltleaf ceanothus 'Trewithen Blue')
1 hour care
per year
per year
6m
Max height
Max height
8m
Max spread
Max spread
10-20 years
To maturity
To maturity
Plant details
Botanical name
Ceanothus arboreus 'Trewithen Blue'
Other names
Feltleaf ceanothus 'Trewithen Blue', Felt-leaf ceanothus 'Trewithen Blue', Californian lilac 'Trewithen Blue', Catalina ceanothus 'Trewithen Blue', Island ceanothus 'Trewithen Blue', Island mountain lilac 'Trewithen Blue', Catalina mountain lilac 'Trewithen Blue'
Genus
Ceanothus Ceanothus
Variety or Cultivar
'Trewithen Blue' _ 'Trewithen Blue' is a large, vigorous, spreading, evergreen shrub or small tree with broadly ovate, glossy, dark green leaves, felted beneath, and conical panicles of lightly fragrant, deep blue flowers in spring.
Ceanothus arboreus 'Trewithen Blue' is: Evergreen
Habit
Branching, Spreading
Awards
RHS AGM (Award of Garden Merit)
Flower
Blue in Spring; Blue in Summer
Foliage
Dark-green in All seasons
How to care
Watch out for
Specific pests
Scale insects Scale insects
Honey fungus Honey fungus
General care
Propagation methods
Semi-hardwood cuttings
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Where to grow
Ceanothus arboreus 'Trewithen Blue' (Feltleaf ceanothus 'Trewithen Blue') will reach a height of 6m and a spread of 8m after 10-20 years.
Suggested uses
City, Wallside and trellises
Cultivation
Plant in well-drained soil in a sheltered position in full sun.
Soil type
Chalky, Loamy, Sandy
Soil drainage
Moist but well-drained, Well-drained
Soil pH
Alkaline, Neutral
Light
Full Sun
Aspect
South, East, West
Exposure
Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4), Tender in frost (H3)
Companion plants
We do not currently have companion plants added for this plant.
Botanical name
Ceanothus arboreus 'Trewithen Blue'
Other names
Feltleaf ceanothus 'Trewithen Blue', Felt-leaf ceanothus 'Trewithen Blue', Californian lilac 'Trewithen Blue', Catalina ceanothus 'Trewithen Blue', Island ceanothus 'Trewithen Blue', Island mountain lilac 'Trewithen Blue', Catalina mountain lilac 'Trewithen Blue'
Genus
Ceanothus Ceanothus
Variety or Cultivar
'Trewithen Blue' _ 'Trewithen Blue' is a large, vigorous, spreading, evergreen shrub or small tree with broadly ovate, glossy, dark green leaves, felted beneath, and conical panicles of lightly fragrant, deep blue flowers in spring.
Native to
Channel Islands, USA
Foliage
Evergreen
Habit
Branching, Spreading
Awards
RHS AGM (Award of Garden Merit)
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Colour
Flower
Blue in Spring; Blue in Summer
Foliage
Dark-green in All seasons
How to care
Watch out for
Specific pests
Specific diseases
General care
Propagation methods
Semi-hardwood cuttings
Monthly care advice
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Where to grow
Ceanothus arboreus 'Trewithen Blue' (Feltleaf ceanothus 'Trewithen Blue') will reach a height of 6m and a spread of 8m after 10-20 years.
Suggested uses
City, Wallside and trellises
Cultivation
Plant in well-drained soil in a sheltered position in full sun.
Soil type
Chalky, Loamy, Sandy
Soil drainage
Moist but well-drained, Well-drained
Soil pH
Alkaline, Neutral
Light
Full Sun
Aspect
South, East, West
Exposure
Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4), Tender in frost (H3)
USDA zones
Zone 10, Zone 9, Zone 8, Zone 7
In order to add a note on this plant, please add this plant to your plant lists.
| This plant likes... | Garden match | |
| Soil types: | Chalky, Loamy, Sandy | Tell us... |
| Soil drainage: | Moist but well-drained, Well-drained | Tell us... |
| Soil pH: | Alkaline, Neutral | Tell us... |
| Light: | Full Sun | Tell us... |
| Aspect: | South, East, West | Tell us... |
| Exposure: | Sheltered | Tell us... |
| Hardiness: | Hardy (H4), Tender in frost (H3) | Tell us... |
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DISCUSS THIS PLANT
Ceanothus 'Arboeus Trewithen'.
There is 1 active discussion about Ceanothus arboreus 'Trewithen Blue' (Feltleaf ceanothus 'Trewithen Blue')
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