Is Arum Toxic to Dogs and Cats? (2026)
Arum maculatum
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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.
Toxic component and mechanism
The toxic component in Arum is insoluble calcium oxalate crystals.
What makes this plant different
The genus name for a plant sold under numerous folk common names — all causing the same localized oral irritation from calcium oxalate crystals rather than systemic poisoning.
Plant identification
- Scientific name
- Arum maculatum
- Family
- Araceae
- Also known as
- Arum, Cuckoo-pint, Lord-and-Ladies, Adam-and-Eve, Starch Root, Bobbins, Wake Robin
- Typically found
- indoor
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Related plants
Adam-and-Eve
Arum maculatum
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Last verified: July 2, 2026 · Cross-referenced with ASPCA Animal Poison Control