Tall biennial legume with intensely fragrant white flower spikes. A major honey plant and one of the deepest-rooted dynamic accumulators of any cover crop.
Hardiness ratings
| System | Rating | Temperature range | How to read it |
|---|---|---|---|
| USDA hardiness zone | Zone 3–9 | −40 °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 3–9 | −34 °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
- Improperly cured hay can ferment to produce dicoumarol — an anticoagulant that causes "sweet clover disease" in cattle. Cure properly before feeding to livestock.
- One of the most important honey plants in continental North America
- Deep taproot (up to 1.5 m) breaks compacted subsoil
- Always consult a qualified medical or herbal practitioner before using any plant medicinally
Categories
Related plants
Cross-check Sweet clover — White against your zones