Compact deciduous shrub with grey-green aromatic foliage and clouds of bright blue flowers from late summer into autumn.
Hardiness ratings
| System | Rating | Temperature range | How to read it |
|---|---|---|---|
| USDA hardiness zone | Zone 5–9 | −28.9 °C to −1.1 °C | Plant tolerates down to this zone |
| RHS hardiness rating | H5 | −15 °C to −10 °C | Plant needs at least this level of cold tolerance |
| Canadian plant hardiness zone | Zone 5–9 | −23 °C and warmer | Plant tolerates down to this zone |
| Australian (ANBG) zone | Zone 2–6 | −10 °C to 15 °C | Plant tolerates down to this zone |
Growing notes
- Outstanding late-season bee forage — fills the August to October gap when many shrubs are over
- Drought tolerant — happy on poor and well-drained soils
- Compact, suits small gardens and the front of mixed borders
- Cut back hard in early spring to encourage strong flowering wood
Categories
Related plants
Cross-check Caryopteris (Blue mist shrub) against your zones