About
Ceratostigma willmottianum Sapphire Ring ('Lissbrill' PBR) is a medium-sized, deciduous shrub with an open branching structure. It produces blue flowers and showcases vibrant autumn foliage.
About the genus
Ceratostigma encompasses both evergreen and deciduous shrubs, as well as herbaceous perennials. The plants feature simple leaves that typically display vibrant autumn colors. In late summer and autumn, they produce short spikes of salver-shaped blue flowers that can emerge from the ends of branches or the leaf axils.
Growing conditions
- Sunlight
- Full sun
- Soil type
- Loam, Sand
- Soil pH
- Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing, West-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H3
Plant details
- Plant type
- Shrubs
- Habit
- Clump forming
- Foliage
- Deciduous
- Height
- 0.5-1 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 5-10 years
- Suggested uses
- Coastal, Cottage and informal garden, Gravel garden
Care notes
- Cultivation
- Grow in moderately fertile, well drained light soil in full sun.
- Pruning
- Cut back shoots to within 1.5 to 2.5cm of previous years growth
- Propagation
- Propagate by softwood cutting taken in spring or semi-ripe cuttings in summer. Layering possible in autumn.
- Pest resistance
- Generally pest-free
- Disease resistance
- May be susceptible to honey fungus (rarely) and powdery mildews