Cats & Dogs
Potentially toxicConsulted references classify the plant as toxic or irritating for that pet type.
Verified against ASPCA/provenance audit 2026-05-06 on May 6, 2026.
Sources

Iris species
Iris species are popular perennial garden plants known for their showy, complex flowers and sword-like foliage. They contain chemical compounds that can cause gastrointestinal irritation if ingested by pets.
Safety status
Cats & Dogs
Potentially toxicConsulted references classify the plant as toxic or irritating for that pet type.
Verified against ASPCA/provenance audit 2026-05-06 on May 6, 2026.
Sources
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.
Cats — concern notes
Common signs
Drooling, vomiting, diarrhea, and lethargy.
Escalation note
Ingestion of the rhizomes or leaves can cause significant irritation to the mouth and digestive tract. Please contact your veterinarian if you suspect your cat has ingested any part of this plant.
Dogs — concern notes
Common signs
Excessive salivation, vomiting, abdominal pain, and diarrhea.
Escalation note
The plant contains irisin and other compounds that are irritating to the gastrointestinal system. Seek veterinary attention if your dog shows signs of distress after contact with the plant.
Safer alternatives
No hand-picked alternatives for this plant yet. You can still pick your own using the Compare button on any other plant.
ASPCA Toxic Plant List
toxicology · 99% reliability
Iris species contain insoluble calcium oxalates and other irritants that cause gastrointestinal distress.
NC State Extension Plant Toolbox
botanical · 94% reliability
Iris is a large genus of perennial plants with rhizomes or bulbs, widely cultivated for their ornamental flowers.
Yes, iris is toxic to cats. All parts of the plant can cause harm, but the rhizomes (underground bulb-like stems) are the highest-concern part — ingestion can cause significant irritation to the mouth and digestive tract.
Signs typically appear within 1–2 hours of ingestion and include drooling, vomiting, diarrhea, and lethargy. You may first notice your cat backing away from the plant and licking her lips as a sign of oral irritation. Mild GI upset is the most common outcome from a leaf nibble; severe systemic illness is uncommon.
Remove any plant material from your cat's mouth and the surrounding area. Offering fresh water or a small amount of milk may help dilute the irritation. Do not try to induce vomiting at home — there is no safe over-the-counter method for cats. Call your vet or the ASPCA Animal Poison Control Center at (888) 426-4435 for guidance on next steps.
Yes, rhizome ingestion is the higher-concern exposure. If your cat chewed or ate a rhizome, call your vet the same day even if she currently seems fine. A leaf nibble is lower risk and mild GI upset typically resolves within 12–24 hours, but persistent drooling or vomiting, refusal to eat or drink for more than 12 hours, or notable lethargy all warrant a same-day vet call regardless of which part was eaten.
Yes, iris plants are toxic to dogs. They contain irisin and other compounds that irritate the gastrointestinal system, making them potentially harmful if ingested.
Watch for excessive drooling, vomiting, diarrhea, and a tucked-up posture indicating abdominal pain. Lethargy is common in the first day. Bloody vomit or stool is less common but signals a more urgent situation.
Remove any remaining plant material from your dog's mouth and prevent further access to the plant. Offer fresh water, but do not induce vomiting unless directed by a professional — irritant material can cause more damage coming back up. Call the ASPCA Animal Poison Control Center at (888) 426-4435 or your vet before giving anything by mouth.
Yes — the rhizome (the thick underground stem) is a higher-dose exposure than a leaf nibble and warrants a same-day vet call. Onset of GI symptoms typically occurs within 1–3 hours of ingestion, and uncomplicated cases generally resolve within 24 hours with supportive care.
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Same safety verdict

The Christmas Rose is a perennial flowering plant known for its winter blooms, but it contains cardiac glycosides that are harmful if ingested. It is considered toxic to both cats and dogs.
Potentially toxic for cats & dogs.

Golden Ragwort is a flowering perennial known for its bright yellow blooms and foliage. It contains pyrrolizidine alkaloids that can cause significant health issues if ingested by pets.
Potentially toxic for cats & dogs.

Erigeron speciosus is a perennial flowering plant in the daisy family known for its showy, lavender-blue blooms. While popular in gardens, it is considered toxic to household pets if ingested.
Potentially toxic for cats & dogs.

Skunk Cabbage is a wetland-dwelling perennial known for its distinct odor and early spring emergence. It contains calcium oxalate crystals which can cause irritation upon ingestion.
Potentially toxic for cats & dogs.
Same growing conditions

Day lilies are popular garden perennials known for their vibrant, trumpet-shaped blooms. While beautiful, they are highly dangerous to cats and should be kept strictly out of reach.
Potentially toxic for cats.
Uncertain for dogs.

Dock is a genus of perennial herbs often found in fields and gardens that contains soluble calcium oxalates. Ingestion of any part of the plant can cause irritation to the mouth and digestive tract.
Potentially toxic for cats & dogs.

Bitter Root is a perennial herbaceous plant known for its pink, bell-shaped flowers and milky sap. It contains cardiac glycosides that are harmful if ingested by pets.
Potentially toxic for cats & dogs.