About
Ceanothus thyrsiflorus is a robust, upright evergreen shrub that can reach heights of up to 6 meters. Its branches have a graceful arch, complemented by small, shiny, mid-green foliage. In spring, this plant produces abundant clusters of tiny flowers, ranging in color from pale to dark blue.
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
- Alkaline, Neutral, Acid
- Soil moisture
- Well-drained
- Aspect
- South-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H4
Plant details
- Plant type
- Shrubs
- Habit
- Bushy
- Foliage
- Evergreen
- Height
- 4-8 metres
- Spread
- 4-8 metres
- Time to full height
- 5-10 years
- Suggested uses
- City and courtyard gardens, Coastal, Cottage and informal garden, Mediterranean climate plants, Wildlife gardens
- Native to
- W US
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 and pruning group 13 for wall-training
- Propagation
- Propagate by semi-hardwood cuttings in mid- to late summer
- Pest resistance
- May be susceptible to scale insects
- Disease resistance
- May be susceptible to honey fungus