Toxic
Is peace lily toxic to dogs?
Mildly toxic. Peace lily crystals irritate the mouth and stomach and cause drooling and vomiting, but serious problems are very rare.
If your dog ate or touched this, call your vet or a pet poison line now
United States
Poison lines in other countries: United Kingdom, Australia, Canada, New Zealand
What to do now
- Call your vet or a pet poison line now.
- Take any plant pieces away and rinse your dog's mouth with water.
- Go to a vet right away if your dog has trouble swallowing or breathing.
Don't
- Don't make your dog vomit unless a vet tells you to.
- Don't give milk, oil, salt or other home remedies unless a vet tells you to.
Signs to watch for
- Mouth pain and burning
- Heavy drooling
- Vomiting
- Diarrhea
- Trouble swallowing
- Trouble breathing from mouth swelling (very rare)
Why
Peace lilies contain insoluble calcium oxalate crystals that are released when the plant is chewed. It is not a true lily.
Sources
- ASPCA Animal Poison Control: Peace Lily
- ASPCA: Which Lilies Are Toxic to Pets?
- Pet Poison Helpline: Toxic Plants to Pets (first aid)
Guide reviewed 9 October 2026.
General information from the sources above, not a diagnosis. When in doubt, call your vet.