Sprawling European perennial with bright yellow pea-flowers fading to orange and seed pods arranged like a bird's claws. A meadow staple supporting many butterfly species.
Hardiness ratings
| System | Rating | Temperature range | How to read it |
|---|---|---|---|
| USDA hardiness zone | Zone 3–8 | −40 °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 3–8 | −34 °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
- Critical larval host plant for the common blue butterfly and dozens of moth species
- Tolerates poor, compacted, and disturbed soils where other legumes fail
- Yellow flowers across midsummer are a reliable seasonal marker
Categories
Related plants
Cross-check Bird's foot trefoil against your zones