Peace Lily Toxicity: Humans & Pets

Yes, peace lilies (Spathiphyllum) are toxic.

Mechanism

Contain insoluble calcium oxalate crystals (raphides). Chewing releases crystals → intense burning, swelling of mouth, tongue, throat.

Effects

• Humans: Pain, drooling, difficulty swallowing. Rarely life-threatening.
• Cats & Dogs: Severe swelling can block airway → emergency vet visit. Can be fatal if untreated.

Safety

• Keep out of reach of children and pets.
• Wear gloves when dividing/repotting; wash hands after.
• Consider non-toxic alternatives (spider plant, Boston fern, areca palm) for pet households.