Coastal perennial brassica with glaucous wavy leaves. Forced shoots were a Victorian luxury and remain a fine, almost-forgotten vegetable.
Hardiness ratings
| System | Rating | Temperature range | How to read it |
|---|---|---|---|
| USDA hardiness zone | Zone 4–9 | −34.4 °C to −1.1 °C | Plant tolerates down to this zone |
| RHS hardiness rating | H7 | down to −20 °C | Plant needs at least this level of cold tolerance |
| Canadian plant hardiness zone | Zone 4–9 | −29 °C and warmer | Plant tolerates down to this zone |
| Australian (ANBG) zone | Zone 1–5 | −15 °C to 10 °C | Plant tolerates down to this zone |
Growing notes
- Tolerates salt spray and poor sandy soils — happy in coastal gardens
- Force in spring under a pot or bucket for tender, blanched shoots
Categories
Related plants
Cross-check Sea kale against your zones