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Ceanothus 'A.T. Johnson' (Californian lilac 'A.T. Johnson')
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1 hour care
per year
per year
2m
Max height
Max height
2.5m
Max spread
Max spread
10-20 years
To maturity
To maturity
Plant details
Botanical name
Ceanothus 'A.T. Johnson'
Other names
Californian lilac 'A.T. Johnson', California lilac 'A.T. Johnson', Ceanothus 'A T Johnson'
Genus
Ceanothus Ceanothus
Variety or Cultivar
'A.T. Johnson' _ 'A.T. Johnson' is a vigorous, upright to arching, evergreen shrub with small, oval, toothed and veined, dark green leaves and panicles of fragrant, blue flowers in spring, often blooming again in autumn.
Ceanothus 'A.T. Johnson' is: Evergreen
Habit
Upright, Rounded
Flower
Blue in Spring; Blue in Autumn
Foliage
Dark-green in All seasons
How to care
Watch out for
Specific pests
Scale insects Scale insects
Honey fungus , Phytophthora root diseases Honey fungus , Phytophthora root diseases
General care
Pruning
Pruning group 8 after flowering. Mulch and feed after pruning.
Propagation methods
Semi-hardwood cuttings, Semi-ripe cuttings
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Where to grow
Ceanothus 'A.T. Johnson' (Californian lilac 'A.T. Johnson') will reach a height of 2m and a spread of 2.5m after 10-20 years.
Suggested uses
City, Wallside and trellises
Cultivation
Plant in well-drained soil in a sheltered, sunny site. Will need protection in cold winters. Tolerates drought and heavy soils. May have a weeping habit in the coldest areas of its range.
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 'A.T. Johnson'
Other names
Californian lilac 'A.T. Johnson', California lilac 'A.T. Johnson', Ceanothus 'A T Johnson'
Genus
Ceanothus Ceanothus
Variety or Cultivar
'A.T. Johnson' _ 'A.T. Johnson' is a vigorous, upright to arching, evergreen shrub with small, oval, toothed and veined, dark green leaves and panicles of fragrant, blue flowers in spring, often blooming again in autumn.
Foliage
Evergreen
Habit
Upright, Rounded
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Colour
Flower
Blue in Spring; Blue in Autumn
Foliage
Dark-green in All seasons
How to care
Watch out for
Specific pests
Specific diseases
Honey fungus , Phytophthora root diseases
General care
Pruning
Pruning group 8 after flowering. Mulch and feed after pruning.
Propagation methods
Semi-hardwood cuttings, Semi-ripe cuttings
Monthly care advice
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Where to grow
Ceanothus 'A.T. Johnson' (Californian lilac 'A.T. Johnson') will reach a height of 2m and a spread of 2.5m after 10-20 years.
Suggested uses
City, Wallside and trellises
Cultivation
Plant in well-drained soil in a sheltered, sunny site. Will need protection in cold winters. Tolerates drought and heavy soils. May have a weeping habit in the coldest areas of its range.
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
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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