Is Cats Safe?
Is Yarrow Safe for Cats?
No — Yarrow is toxic to cats.
Yarrow is listed as toxic to cats by ASPCA Animal Poison Control. The toxic component is glycoalkaloids (achillein), monoterpenes, sesquiterpene lactones (achillin). Cats metabolise many plant and chemical compounds poorly, so keep Yarrow away from your cat and treat any exposure seriously.
| Scientific name | Achillea millefolium |
|---|---|
| Family | Asteraceae |
| Category | Plants |
| Toxic principle | glycoalkaloids (achillein), monoterpenes, sesquiterpene lactones (achillin) |
| Also known as | Devil's Nettle, Dog Daisy, Dog Daisy Thousand Seal, Dog Fennel, Milfoil, Old Man's Pepper, Soilder's Woundwort |
Signs to watch for in cats
- Vomiting
- Diarrhea
- Colic
- Drooling
- Anorexia
- Dermatitis
- Depression
If your cat may have been exposed to Yarrow:
- Don't wait for symptoms; don't induce vomiting unless a professional tells you to.
- Note what and how much, and take any packaging with you.
- Call your vet or a 24/7 line now — Pet Poison Helpline 855-764-7661 · ASPCA 888-426-4435.
Other Asteraceae plants
Plants in the same family (Asteraceae) are easily confused with Yarrow — check each one:
Cat-safe alternatives
Browse all Plants for cats · or check another item.
Frequently asked questions
Is Yarrow toxic to cats?
Yes. Yarrow is reported toxic to cats by ASPCA Animal Poison Control. Keep it away from your cat.
What are the symptoms if a cat is exposed to Yarrow?
Reported signs include: Vomiting, Diarrhea, Colic, Drooling, Anorexia, Dermatitis, Depression.
What makes Yarrow toxic to cats?
The harmful component reported for Yarrow is glycoalkaloids (achillein), monoterpenes, sesquiterpene lactones (achillin). Cats metabolise many such compounds poorly, so even small exposures can cause problems.
How much Yarrow is dangerous to cats?
There is no established "safe" amount — sensitivity varies by cat, and small exposures can still cause signs. Treat any exposure as potentially serious rather than waiting to see how much was involved.
What should I do if my cat ate Yarrow?
Contact your vet or a 24/7 animal poison line right away: Pet Poison Helpline (855-764-7661) or ASPCA Animal Poison Control (888-426-4435).