Is Butterfly Iris Toxic to Dogs and Cats? (2026)
Iris spuria
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Quick facts
| Toxic to dogs | Yes |
|---|---|
| Toxic to cats | Yes |
| Toxic to horses | Yes |
| Toxic component | Irisin/irone, concentrated in the rhizome |
| Onset of symptoms | Within a few hours |
| 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
- Drooling
- Vomiting
- Diarrhea
- Lethargy
Symptoms in cats
- Drooling
- Vomiting
- Diarrhea
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What to do
Contact a vet if the rhizome (underground stem) was dug up and eaten; leaf/flower contact is usually milder.
Toxic component and mechanism
The toxic component in Butterfly Iris is irisin/irone, concentrated in the rhizome.
Part-specific risk: Rhizome is more concentrated in toxins than leaves or flowers.
What makes this plant different
Iris toxicity is concentrated in the rhizome (the underground stem), which most pets never encounter unless they're actively digging — a dog that simply brushes past iris foliage in a garden bed is at much lower risk than one who unearths the root.
Plant identification
- Scientific name
- Iris spuria
- Family
- Iridaceae
- Also known as
- Butterfly Iris, Spuria Iris
- Typically found
- both
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Last verified: July 2, 2026 · Cross-referenced with ASPCA Animal Poison Control