Tough, adaptable strappy perennial from eastern Australia with blue flowers and violet berries.
Hardiness ratings
| System | Rating | Temperature range | How to read it |
|---|---|---|---|
| USDA hardiness zone | Zone 9–10 | −6.7 °C to 4.4 °C | Plant tolerates down to this zone |
| RHS hardiness rating | H4 | −10 °C to −5 °C | Plant needs at least this level of cold tolerance |
| Canadian plant hardiness zone | Zone 9 | −1 °C and warmer | Plant tolerates down to this zone |
| Australian (ANBG) zone | Zone 3–7 | −5 °C and warmer | Plant tolerates down to this zone |
Growing notes
- Grows in full sun or part shade and is very drought- and frost-tolerant once established
- Blue berries are edible only in small amounts — eat sparingly
- Only marginally hardy in the mildest Canadian areas
Categories
Related plants
Cross-check Blue flax lily against your zones