About
Ceanothus 'A.T. Johnson' is a robust evergreen shrub that typically reaches heights and widths of approximately 2.5 meters. Its leaves are oval-shaped with a glossy green surface, measuring up to 3 centimeters in length, and feature a greyish, downy texture on the underside. This cultivar produces clusters of vibrant blue flowers, arranged in both lateral and terminal panicles that can grow 5 to 6 centimeters long. The blooming period extends through late spring and again from late summer into autumn.
About the genus
Ceanothus consists of either evergreen or deciduous shrubs and small trees, characterized by simple leaves and clusters of small flowers that can be blue, pink, or white. These plants are known for their rapid growth, though they often have a limited lifespan.
Growing conditions
- Sunlight
- Full sun
- Soil type
- Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H4
Plant details
- Plant type
- Shrubs
- Habit
- Spreading branched
- Foliage
- Evergreen
- Height
- 1.5-2.5 metres
- Spread
- 1.5-2.5 metres
- Time to full height
- 5-10 years
- Suggested uses
- City and courtyard gardens, Coastal, Cottage and informal garden, Mediterranean climate plants, Wildlife gardens
Care notes
- Cultivation
- Grow 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
- Pruning
- Pruning group 8 after flowering or pruning group 13 if wall trained
- Propagation
- Propagate by semi-ripe cuttings in mid to late summer
- Pest resistance
- May be susceptible to scale insects
- Disease resistance
- May be susceptible to honey fungus