Chinese leguminous perennial. Roots ("huang qi") are a major immune tonic in traditional Chinese medicine; harvest 4+ year roots.
Hardiness ratings
| System | Rating | Temperature range | How to read it |
|---|---|---|---|
| USDA hardiness zone | Zone 5–9 | −28.9 °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 5–9 | −23 °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
- Many other Astragalus species are toxic ("locoweed") — verify the correct medicinal species (A. membranaceus or A. mongholicus)
- Nitrogen-fixing — improves surrounding soil
- Always consult a qualified medical or herbal practitioner before using any plant medicinally
Categories
Related plants
Cross-check Astragalus against your zones