PET SAFETY ANSWER · CITED TO ASPCA
Is Peace Lily safe for cats?
Why it's toxic
Toxic principles: Insoluble calcium oxalates
Clinical signs in cats: Oral irritation, intense burning and irritation of mouth, tongue and lips, excessive drooling, vomiting, difficulty swallowing.
Severity rating: moderate
Source
Classification per the ASPCA Toxic and Non-Toxic Plants database entry for Peace Lily. Verified 2026-05-28. We update these answers when ASPCA changes the classification.