Silvery-leaved Mediterranean perennial. Historically the bittering agent in absinthe; carries the artemisinin-relative thujone.
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
- Toxic in large or prolonged doses — thujone is neurotoxic
- Excellent companion plant for repelling fleas, slugs, and many garden pests
- Always consult a qualified medical or herbal practitioner before using any plant medicinally
Pet caution: Wormwood 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.
Categories
Related plants
Cross-check Wormwood against your zones