Is Cutleaf Philodendron Toxic to Dogs and Cats? (2026)
Monstera deliciosa
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Quick facts
| Toxic to dogs | Yes |
|---|---|
| Toxic to cats | Yes |
| Toxic to horses | Yes |
| Toxic component | Insoluble calcium oxalate crystals |
| Onset of symptoms | Within minutes of chewing |
| Indoor / outdoor | indoor |
If your pet ate this plant
Both lines are staffed 24/7. A consultation fee applies to each. Do not wait for symptoms to appear before calling.
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Symptoms in dogs
- Oral pain
- Drooling
- Vomiting
- Difficulty swallowing
Symptoms in cats
- Oral pain
- Drooling
- Vomiting
- Pawing at mouth
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What to do
Offer water to help rinse remaining crystals from the mouth. Most cases resolve with supportive care at home; seek vet care if swelling of the mouth or throat develops or vomiting persists beyond a few hours.
Toxic component and mechanism
The toxic component in Cutleaf Philodendron is insoluble calcium oxalate crystals.
What makes this plant different
Despite the name, Cutleaf Philodendron is botanically Monstera deliciosa, not a true Philodendron — the naming overlap is common in the houseplant trade, but the practical advice is identical either way since both share the oxalate mechanism.
Plant identification
- Scientific name
- Monstera deliciosa
- Family
- Araceae
- Also known as
- Cutleaf Philodendron, Hurricane Plant, Swiss Cheese Plant, Ceriman
- Typically found
- indoor
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Last verified: July 2, 2026 · Cross-referenced with ASPCA Animal Poison Control