Garden hybrid lupin in a vivid range of colours — pink, white, yellow, blue, red, bicolour — bred from George Russell's seedlings in 1930s Yorkshire.
Hardiness ratings
| System | Rating | Temperature range | How to read it |
|---|---|---|---|
| USDA hardiness zone | Zone 4–8 | −34.4 °C to −6.7 °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 4–8 | −29 °C to −1 °C | Plant tolerates down to this zone |
| Australian (ANBG) zone | Zone 1–4 | −15 °C to 5 °C | Plant tolerates down to this zone |
Growing notes
- Shorter lived than species lupins (3–4 years) but unmatched for ornamental value
- Late-spring flowering is a defining sight in cool-temperate cottage gardens
- Seeds and pods are toxic if ingested
Pet caution: Lupin — Russell hybrid is listed as potentially harmful to cats and/or dogs. Keep pets from grazing on it, and contact a vet if you suspect your animal has eaten some.