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My cat occasionally chews a fresh rosemary sprig from my herb garden — is weekly rosemary consumption safe long-term for cats?

Cats · Food safety

Last reviewed: 2026-09-05 · Reference ranges: ASPCA, Pet Poison Helpline & Merck Veterinary Manual

Short answer

Yes, occasional small amounts of fresh rosemary are safe for cats and pose no known long-term health risks. Rosemary in food quantities is non-toxic, and its extract is even used as a preservative in some pet foods. Weekly nibbling is unlikely to cause harm, but ensure your cat isn't eating large bunches, as any plant material in excess could lead to mild stomach upset. Just keep an eye on their overall behavior and digestion. If you notice any vomiting or loss of appetite after chewing rosemary, it's best to remove access and check with your vet.

Rosemary — Food safety facts

Safe to share · Cats · full breakdown on the linked food page

Safe in food amounts. Rosemary extract is a common pet food preservative.

Dogs and cats carry the same rating (Safe to share), so the notes below hold for either pet.

Rosemary is not toxic to cats. The real limit is calories, fat and salt, so treat it as a small extra alongside the normal ration rather than a meal in itself.

There is no poisoning risk here, and the usual problem is simply eating too much at once: a heavy fat or salt load can bring on loose stools or a single vomit. Offer water, keep an eye on the pet for 24 hours, and do not induce vomiting.

The full verdict, portion guidance and serving notes are collected on the Rosemary food facts page.

Open the full food page: Rosemary food facts →