Butterfly Iris — (c) peganum, some rights reserved (CC BY-SA)
Photo by (c) peganum, some rights reserved (CC BY-SA)iNaturalistCC BY-SA
Pet safety reference

Butterfly Iris

Iris spuria

The Butterfly Iris is a rhizomatous perennial known for its elegant, orchid-like flowers and tall, grass-like foliage. It is commonly grown in garden borders but contains compounds that can cause irritation if ingested by pets.

Butterfly IrisIris spuriaSeashore Iris
Light
Full sun to partial shade
Habit
Clumping rhizomatous perennial
Care
Low to moderate

Safety status

Cats & Dogs

Potentially toxic

Consulted references classify the plant as toxic or irritating for that pet type.

Verified against ASPCA/provenance audit 2026-05-06 on May 6, 2026.

If a pet has chewed or swallowed plant material and is showing symptoms, contact a veterinarian or poison resource immediately. This product is for structured reference, not diagnosis.

Catsconcern notes

Common signs

Drooling, vomiting, diarrhea, and lethargy.

Escalation note

Ingestion of the rhizomes or leaves can cause gastrointestinal irritation. Please contact your veterinarian if you suspect your cat has ingested any part of this plant.

Dogsconcern notes

Common signs

Vomiting, drooling, abdominal pain, and loss of appetite.

Escalation note

The plant contains irritating compounds that can cause digestive upset. If your dog consumes this plant, please consult your veterinarian for guidance.

Safer alternatives

No hand-picked alternatives for this plant yet. You can still pick your own using the Compare button on any other plant.

Source evidence

ASPCA Toxic Plant List

toxicology · 99% reliability

Open source

The Butterfly Iris is listed as toxic to both cats and dogs due to the presence of irisin and other irritating compounds.

Kew Plants of the World Online

botanical · 95% reliability

Open source

Official botanical record for Iris spuria L., confirming its classification within the Iridaceae family.

cats safety pageMy cat ate Butterfly Irisdogs safety pageMy dog ate Butterfly Iris

Questions about Butterfly Iris

Is Butterfly Iris toxic to cats?

Yes, Butterfly Iris (Iris spuria) is potentially toxic to cats. All parts of the plant can cause gastrointestinal irritation if ingested, with the rhizome (the bulb-like underground stem) being the most toxic part.

What symptoms will my cat show after eating Butterfly Iris?

Expect drooling, vomiting, diarrhea, and lethargy. Oral and GI irritation is the dominant pattern — if your cat chewed on the rhizome rather than just a leaf, the GI signs tend to be more pronounced and persistent. Symptoms can appear as soon as 2 hours after ingestion.

What should I do if my cat ate part of a Butterfly Iris?

Remove any plant material from your cat's mouth and fur, pick up remaining pieces, and rinse any sap off the skin or around the mouth with water. Do not induce vomiting on your own. Call your vet or ASPCA Poison Control at (888) 426-4435 — especially if you saw your cat chew the rhizome, which warrants an immediate call.

Which part of Butterfly Iris is most dangerous to cats?

The rhizome — the thick, fleshy underground stem — is the most toxic part of the Butterfly Iris. Ingestion of the rhizome causes more pronounced and longer-lasting GI signs than leaf ingestion, and recovery can take longer than the typical 24–48 hours seen with leaf exposures.

Is Butterfly Iris toxic to dogs?

Yes, Butterfly Iris (Iris spuria) is potentially toxic to dogs. It contains irritating compounds that can cause digestive upset, including vomiting, drooling, abdominal pain, and loss of appetite.

What symptoms will my dog show after eating Butterfly Iris?

The most common signs are drooling, vomiting, diarrhea, and abdominal discomfort, often accompanied by lethargy. Severity scales with how much was eaten — rhizome ingestions tend to cause more pronounced GI upset, prolonged loss of appetite, and dehydration. If your dog contacted cut sap, also watch for skin or eye irritation.

What should I do if my dog ate Butterfly Iris?

Stay calm and remove any plant pieces from your dog's mouth and fur, then block access to the plant. If there's sap on the eyes, mouth, or skin, flush with water. Do not induce vomiting unless directed by a professional. Call your vet or the ASPCA Animal Poison Control Center at (888) 426-4435 before heading in so they can prepare for treatment.

Is the rhizome of Butterfly Iris more dangerous than the leaves?

Yes — the rhizome (underground root) is the most concerning part. Digging up and chewing the rhizome warrants an immediate call to your vet or Pet Poison Helpline (855-764-7661), as it can produce GI signs that linger several days and may require IV support, compared to milder, shorter-lived upset from leaf nibbling. Small dogs and puppies should be evaluated even after small ingestions.

Often compared with

Same safety verdict

Other plants with the same verdict

Same growing conditions

Plants for the same room