Are Black Walnuts Poisonous to Cats and Dogs?
Black Walnut (Black Walnut) — Cats: Safe · Dogs: Poisonous · Extreme Violence If your dog eats old, fallen or moldy black walnuts and shakes, limps, or convulses, consider this an emergency and see a veterinarian immediately.
Other names: black walnut
English nameBlack Walnut
Scientific nameJuglans nigra
catsafe
dogToxic
Symptoms that may be experienced
- Shake
- Staggering, unable to balance
- Seizures
- Vomiting
- fast heartbeat
What should I do?
If your dog eats old, fallen or moldy black walnuts and shakes, limps, or convulses, consider this an emergency and see a veterinarian immediately.
This information is used for preliminary decision making only. It is not a veterinary diagnosis or advice. If your pet has abnormal symptoms or eats or comes into contact with something that may be dangerous. Contact your veterinarian orAnimal clinic 24 hrs.immediately
Last checked 2026-07-28