European shrub with masses of bright yellow pea-flowers in late spring. Highly invasive in many regions outside its native range.
Hardiness ratings
| System | Rating | Temperature range | How to read it |
|---|---|---|---|
| USDA hardiness zone | Zone 5–8 | −28.9 °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 5–8 | −23 °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
- HIGHLY INVASIVE in Australia, New Zealand, the Pacific Northwest of North America, and parts of Chile — banned or restricted in many of these regions. Check local noxious weed lists before planting.
- Drought tolerant and tolerates poor stony soils
- Yellow flowering is a reliable late-spring marker in its native range
Categories
Related plants
Cross-check Scotch broom against your zones