Iconic Cape Town endemic tree with leaves covered in dense silver hairs that catch the wind beautifully. Restricted in the wild to the granite slopes of Table Mountain and a few nearby peaks.
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 | H2 | 1 °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 4–5 | 0 °C to 10 °C | Plant tolerates down to this zone |
Growing notes
- Native exclusively to the Cape Peninsula of South Africa — IUCN listed as Endangered in the wild, restricted to a tiny native range
- WARNING: Phosphorus sensitive — never use phosphate fertilisers
- Short-lived (20–30 years) and demanding — needs sharp drainage and the Cape Mediterranean climate, struggles in summer-rainfall regions
- Separate male and female plants — both needed for seed
Categories
Related plants
Cross-check Silver tree against your zones