Is Yarrow toxic to dogs?

Yes. According to Plants4Pets, Yarrow is toxic to dogs. Vomiting, diarrhea, colic, drooling, anorexia, dermatitis, depression Toxic principles: glycoalkaloids (achillein), monoterpenes, sesquiterpene lactones (achillin) This entry has not been manually verified yet — treat it as guidance only.

Is Yarrow toxic to horses?

Yes. According to Plants4Pets, Yarrow is toxic to horses. Vomiting, diarrhea, colic, drooling, anorexia, dermatitis, depression Toxic principles: glycoalkaloids (achillein), monoterpenes, sesquiterpene lactones (achillin) This entry has not been manually verified yet — treat it as guidance only.

Which pets are most at risk from Yarrow?

Our database flags Yarrow as toxic to: cats, dogs, horses.

What should I do if my pet eats Yarrow?

Remove remaining plant material, do not induce vomiting unless a vet instructs you to, and seek professional help immediately with the plant name ready.

Is Yarrow toxic to cats, dogs? (Achillea millefolium)

Yarrow (Achillea millefolium) is marked as potentially toxic to cats, dogs, horses in the Plants4Pets database. Keep this plant out of reach of curious pets and read the species-specific notes below.

Photos of Yarrow (Achillea millefolium)

Yarrow (Achillea millefolium) — plant photo 1 of 2, pet toxicity guide

Yarrow (Achillea millefolium) — plant photo 2 of 2, pet toxicity guide

Is Yarrow toxic to cats, dogs or horses?

Cat Toxic Not verified

Vomiting, diarrhea, colic, drooling, anorexia, dermatitis, depression Toxic principles: glycoalkaloids (achillein), monoterpenes, sesquiterpene lactones (achillin)
Dog Toxic Not verified

Vomiting, diarrhea, colic, drooling, anorexia, dermatitis, depression Toxic principles: glycoalkaloids (achillein), monoterpenes, sesquiterpene lactones (achillin)
Horse Toxic Not verified

Vomiting, diarrhea, colic, drooling, anorexia, dermatitis, depression Toxic principles: glycoalkaloids (achillein), monoterpenes, sesquiterpene lactones (achillin)

Community confirmations show that other users find this rating helpful. They are not verified by our team.

Yarrow plant details and common names

Family: Asteraceae

Also known as: Milfoil, Soilder's Woundwort, Dog Daisy Thousand Seal, Devil's Nettle, Old Man's Pepper

Safety advice if a pet eats Yarrow

Many popular houseplants and garden species can cause vomiting, drooling, skin irritation or more serious symptoms when chewed by cats, dogs or horses. The information on this page is for educational purposes and does not replace a veterinary consultation.

If your pet has eaten any part of Yarrow (Achillea millefolium), note the amount ingested, watch for unusual behaviour and contact a veterinarian or pet poison helpline immediately.

Found outdated or incorrect data? Use the report form below or e-mail kontakt@plants4pets.pl with the plant name, species affected and your source — we review every submission.

FAQ: Yarrow and pet toxicity

Is Yarrow toxic to cats?: Yes. According to Plants4Pets, Yarrow is toxic to cats. Vomiting, diarrhea, colic, drooling, anorexia, dermatitis, depression Toxic principles: glycoalkaloids (achillein), monoterpenes, sesquiterpene lactones (achillin) This entry has not been manually verified yet — treat it as guidance only.
Is Yarrow toxic to dogs?: Yes. According to Plants4Pets, Yarrow is toxic to dogs. Vomiting, diarrhea, colic, drooling, anorexia, dermatitis, depression Toxic principles: glycoalkaloids (achillein), monoterpenes, sesquiterpene lactones (achillin) This entry has not been manually verified yet — treat it as guidance only.
Is Yarrow toxic to horses?: Yes. According to Plants4Pets, Yarrow is toxic to horses. Vomiting, diarrhea, colic, drooling, anorexia, dermatitis, depression Toxic principles: glycoalkaloids (achillein), monoterpenes, sesquiterpene lactones (achillin) This entry has not been manually verified yet — treat it as guidance only.
Which pets are most at risk from Yarrow?: Our database flags Yarrow as toxic to: cats, dogs, horses.
What should I do if my pet eats Yarrow?: Remove remaining plant material, do not induce vomiting unless a vet instructs you to, and seek professional help immediately with the plant name ready.

Report an error or missing data

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Wrong toxicity for a cat, dog or horse
Missing or incorrect plant name
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Include the plant name (Achillea millefolium), affected pet species and, if possible, a link to your source. We usually respond within a few business days.