Elephant Ears — (c) Cheng-Tao Lin, some rights reserved (CC BY), uploaded by Cheng-Tao Lin
Photo by (c) Cheng-Tao Lin, some rights reserved (CC BY), uploaded by Cheng-Tao LiniNaturalistCC BY
cat safety reference

Is Elephant Ears safe for cats?

Colocasia esculenta

Colocasia esculenta is a tropical perennial known for its large, heart-shaped leaves that resemble elephant ears. It contains insoluble calcium oxalate crystals that cause irritation upon contact with tissues.

Caladium esculentumCocoyamColocasia esculentaDasheenTaro
Light
Bright indirect light to partial shade
Habit
Clumping, rhizomatous
Care
High (requires consistent moisture)

Safety status

Cats

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.

What this means for your cat

Cats that bite into elephant ears immediately encounter insoluble calcium oxalate crystals — the same family of irritant found in dieffenbachia and philodendron. The reaction is sharp and fast, and most cats spit the plant out before swallowing much. Even so, the oral pain and drooling that follow are real, and rare upper-airway swelling makes any chewing worth a call.

What to watch for

Foamy drooling and head-shaking. Pawing at the mouth. Vocalizing, refusing food, or hiding. Vomiting (less common in cats than dogs, but possible). Rare but serious: swelling of the tongue or upper airway that affects breathing.

Time window

Mouth symptoms usually appear within minutes of chewing. Most cats are back to normal within 12–24 hours; rare airway swelling can develop later in the first few hours, so don't dismiss a 'better' cat too early.

When to call the vet

Call your vet or ASPCA Poison Control at (888) 426-4435 immediately. Treat any swelling, breathing difficulty, or non-stop retching as a true emergency and head to the ER.

First aid at home

Remove plant material from your cat's mouth. A small amount of xylitol-free milk, yogurt, or vanilla ice cream can soothe oral irritation (ASPCA guidance for insoluble-oxalate plants). Don't induce vomiting at home. Call ASPCA Poison Control at (888) 426-4435 or your veterinarian.

Sources: ASPCA, Pet Poison Helpline.

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

Oral irritation, intense burning and irritation of the mouth, tongue and lips, excessive drooling, vomiting, and difficulty swallowing.

Escalation note

The presence of insoluble calcium oxalate crystals causes immediate mechanical irritation. If your cat has ingested this plant, please contact your veterinarian or a pet poison control center immediately.

Safer alternatives

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Source evidence

ASPCA Toxic Plant List

toxicology · 99% reliability

Open source

Elephant Ear is toxic to both cats and dogs due to the presence of insoluble calcium oxalate crystals.

NC State Extension Plant Toolbox

botanical · 94% reliability

Open source

Colocasia esculenta is a tuberous, frost-tender perennial that is widely grown for its large, tropical-looking foliage.

Cats & dogs pagedogs pageMy cat ate Elephant Ears

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