About
Ceanothus impressus is a low-growing evergreen shrub that typically reaches a height of around 1.5 meters and can spread up to 2.5 meters wide. It features small, deep green leaves and produces rounded clusters of dark blue flowers that bloom from mid to late spring.
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
- Bushy
- Foliage
- Evergreen
- Height
- 1-1.5 metres
- Spread
- 1.5-2.5 metres
- Time to full height
- 2-5 years
- Suggested uses
- City and courtyard gardens, Coastal, Cottage and informal garden, Gravel garden, Mediterranean climate plants, Wildlife gardens
- Native to
- C California
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