Daisy-flowered perennial historically used for migraine prevention. Leaves and flowers carry the active sesquiterpene parthenolide.
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
- Strongly contraindicated in pregnancy
- Self-seeds prolifically — deadhead before seed sets if spread is unwelcome
- Always consult a qualified medical or herbal practitioner before using any plant medicinally
Pet caution: Feverfew 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.
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Related plants
Cross-check Feverfew against your zones