Is Wake Robin 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 | both |
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 Wake Robin is insoluble calcium oxalate crystals.
What makes this plant different
Another common name for Arum maculatum — this plant is sold and referred to under at least five different common names, all sharing the identical mild oxalate-crystal toxicity.
Plant identification
- Scientific name
- Arum maculatum
- Family
- Araceae
- Also known as
- Wake Robin, Arum, Lord-and-Ladies, Adam-and-Eve, Starch Root, Bobbins, Cuckoo Plant
- Typically found
- both
Pet-safe alternatives
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Last verified: July 2, 2026 · Cross-referenced with ASPCA Animal Poison Control