Clump-forming Australian native perennial with sword-shaped grey-green strap leaves and sprays of small blue flowers followed by bright cobalt-blue berries through summer.
Hardiness ratings
| System | Rating | Temperature range | How to read it |
|---|---|---|---|
| USDA hardiness zone | Zone 8–11 | −12.2 °C to 10 °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 2–6 | −10 °C to 15 °C | Plant tolerates down to this zone |
Growing notes
- Native to southeastern Australian forest understorey — Tasmania, Victoria, NSW
- Cobalt-blue berries are the distinctive ornamental feature — among the very few naturally blue fruits in the garden
- Drought tolerant and adaptable — widely used in Australian commercial landscaping
- Variegated cultivars (‘Variegata’, ‘Tas Red’) widely grown
Categories
Related plants
Cross-check Tasmanian flax lily against your zones