Is Arum Lily Toxic to Dogs and Cats? (2026)
Zantedeschia aethiopica
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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 Arum Lily is insoluble calcium oxalate crystals.
What makes this plant different
Despite 'lily' in the name, Arum Lily (also sold as Calla Lily) is an Araceae family member with the same mild oxalate-crystal mechanism as Peace Lily — it does not carry the severe kidney-failure risk that true Lilium species pose to cats.
Plant identification
- Scientific name
- Zantedeschia aethiopica
- Family
- Araceae
- Also known as
- Arum Lily, Calla Lily, Pig Lily, White Arum, Trumpet Lily, Florist's Calla, Garden Calla
- Typically found
- indoor
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Last verified: July 2, 2026 · Cross-referenced with ASPCA Animal Poison Control