Is Clematis Toxic to Cats?

Yes — Clematis is mildly toxic to cats

Clematis contains protoanemonin, a compound that causes immediate burning sensation in the mouth. This self-limiting irritation means most pets won't eat enough to cause serious harm. Popular climbing vine in gardens.

Symptoms in Cats

If your cat eats Clematis, watch for these symptoms (onset: Immediate to 2 hours):

Drooling
Vomiting
Diarrhea
Oral ulcers (prolonged contact)

What To Do

Rinse mouth. Monitor. The bitter, burning taste usually prevents significant ingestion.

Cat-Safe Alternatives to Clematis

✓ Jasmine ✓ String of Hearts ✓ Hoya

Quick Facts

Scientific Name

Clematis spp.

Also Toxic to Dogs?

Yes (mild)

Toxic Compound

Protoanemonin (irritant)

Toxic Parts

leaves, stems

Sources: ASPCA Animal Poison Control Center, Pet Poison Helpline. View full Clematis toxicity profile.