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Is Peace lily safe for dogs and cats?

Ask your vet about your own pet. This page is general information from the sources below.

ASPCA reports Peace lily (Spathiphyllum): listed as toxic to dogs and toxic to cats. Chewing can cause burning pain in the mouth, tongue and lips, heavy drooling, vomiting and trouble swallowing. The ASPCA page calls this plant Spathiphyllum, in the arum family (Araceae), not a true lily. Its irritating oral crystals are the problem. If a pet chews it, call your vet or a pet poison line.

Checked October 29, 2026.

Dogs: ToxicKeep pets from chewing it.
Cats: ToxicKeep pets from chewing it.

Also called: mauna loa peace lily. Spathiphyllum.

What in it is the problem

Insoluble calcium oxalates.

What it can do

Chewing can cause burning pain in the mouth, tongue and lips, heavy drooling, vomiting and trouble swallowing.

Good to know

The ASPCA page calls this plant Spathiphyllum, in the arum family (Araceae), not a true lily. Its irritating oral crystals are the problem.

Did your pet chew it?

Call your vet or a pet poison line, and say what plant, how much and when. If you aren't sure which plant it was, take a photo of it.

Poison emergency? Call now

ASPCA Animal Poison Control: (888) 426-4435, 24 hours a day, every day. A consultation fee may apply.
Pet Poison Helpline: (855) 764-7661, 24/7. $99 per incident, follow-up calls included.
Or call your vet or the nearest emergency vet.

For the children

"Some plants can make pets sick, and lilies are very dangerous for cats. Ask a grown-up before you bring a plant or flowers inside."

A job: Be the plant checker. Help a grown-up look up each plant in the house on this site, and write the ones to keep away on a list.

This page is general information from the sources below, not veterinary advice. Common names are shared by different plants, so check the Latin name.

Sources