Toxicity level
MildModerateSevere
- Spiky leaves & berries
- Within hours
- Affects: Gut
Did you know? Causes drooling and stomach upset — a Christmas-season risk.
Verdict
Feed only in moderation
Key concern
Saponins
Species
🐶 Dogs
Why this verdict for dogs
Holly leaves and berries contain saponins, and the spiny leaves add injury — eating them causes drooling, vomiting and head-shaking or lip-smacking.
Warning signs to watch for
- Lip-smacking & head shaking
- Drooling
- Vomiting
- Diarrhea
🍽️ Feeding it safely?
Frequently asked questions
Can dogs eat holly?
In moderation. Holly leaves and berries contain saponins, and the spiny leaves add injury — eating them causes drooling, vomiting and head-shaking or lip-smacking.
How much holly can dogs have?
None — holly is not safe for dogs and should be avoided entirely. When in doubt, ask your vet.
Is holly safe for cats too?
Verdicts can differ between species. See the cat answer for holly →
More plants for dogs
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
CanMyPet provides general information reviewed against trusted sources (ASPCA, AKC, Pet Poison Helpline). It is not a substitute for professional veterinary advice. When in doubt, always contact your veterinarian.