- Insoluble oxalates
- Immediate
- Affects: Mouth & throat
Why this verdict for cats
Dumb cane causes intense mouth burning and swelling in cats. Rarely life-threatening, but very painful — keep it away.
Warning signs to watch for
- Drooling
- Mouth swelling
- Pawing at mouth
🍽️ Feeding it safely?
Frequently asked questions
Can cats eat dieffenbachia (dumb cane)?
In moderation. Dumb cane causes intense mouth burning and swelling in cats. Rarely life-threatening, but very painful — keep it away.
How much dieffenbachia (dumb cane) can cats have?
None — dieffenbachia (dumb cane) is not safe for cats and should be avoided entirely. When in doubt, ask your vet.
Is dieffenbachia (dumb cane) safe for dogs too?
Verdicts can differ between species. See the dog answer for dieffenbachia (dumb cane) →
More plants for cats
By the CanMyPet Editorial Team · Reviewed against ASPCA Animal Poison Control, the American Kennel Club (AKC) and Pet Poison Helpline · Last updated June 22, 2026.
Sources
- ASPCA — People Foods to Avoid Feeding Your Pets
- American Kennel Club — Dog Nutrition
- Pet Poison Helpline — Poison List