Resilient perennial with finely divided leaves and flat clusters of small flowers in midsummer. Native across both Europe and North America.
Hardiness ratings
| System | Rating | Temperature range | How to read it |
|---|---|---|---|
| USDA hardiness zone | Zone 2–9 | −45.6 °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 2–9 | −40 °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
- Midsummer flowering is a reliable seasonal indicator
- Drought-tolerant; deep root system makes it a useful dynamic accumulator
- Always consult a qualified medical or herbal practitioner before medicinal use.
Pet caution: Yarrow 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 Yarrow against your zones