About
Caryopteris x clandonensis 'Thetis' PBR is a robust, deciduous shrub characterized by its upright growth and dense structure. The leaves are elongated, toothed, and dark green on the surface, with a grey-silver hue on the underside. From late summer into autumn, this plant produces clusters of dark blue flowers.
About the genus
Caryopteris includes both deciduous shrubs and herbaceous perennials, characterized by their fragrant, uncomplicated leaves. These plants produce small blue or white flowers that appear in dense clusters in the axils during late summer and autumn.
Growing conditions
- Sunlight
- Full sun
- Soil type
- Chalk, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- East-facing, South-facing, West-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H4
Plant details
- Plant type
- Shrubs
- Habit
- Bushy, Columnar upright
- Foliage
- Deciduous
- Height
- 0.5-1 metres
- Spread
- 1-1.5 metres
- Time to full height
- 5-10 years
- Suggested uses
- Cottage and informal garden, City and courtyard gardens, Wildlife gardens, Coastal
- Fragrance
- Foliage
Care notes
- Cultivation
- Grow in moderately fertile, light, well-drained soil in full sun. In areas where summers are cool or winter temperatures fall below -15°C it is ideal for planting near a warm sunny wall
- Pruning
- Pruning group 6
- Propagation
- Propgate by softwood cuttings which can be taken between spring and midsummer; semi-ripe cuttings from mid to late summer and hardwood cuttings from late autumn to midwinter
- Pest resistance
- May be susceptible to capsid bug which causes leaf distortion
- Disease resistance
- May be susceptible to honey fungus