Monstera — (c) Jacqui Geux, some rights reserved (CC BY), uploaded by Jacqui Geux
Photo by (c) Jacqui Geux, some rights reserved (CC BY), uploaded by Jacqui GeuxiNaturalistCC BY
dog safety reference

Is Monstera safe for dogs?

Monstera deliciosa

Monstera deliciosa is a popular tropical houseplant known for its large, fenestrated leaves and vining growth habit. It contains insoluble calcium oxalate crystals that can cause irritation if ingested by pets.

Mexican BreadfruitMonstera deliciosaSplit-leaf PhilodendronSwiss Cheese Plant
Light
Bright indirect light
Habit
Vining climber
Care
Moderate

Safety status

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.

What this means for your dog

Dogs that chew Monstera get a sharp burst of mouth pain almost immediately — the leaves contain insoluble calcium-oxalate crystals that embed in the tongue, lips, and gums. It is mildly toxic, not deadly: most dogs spit the leaf out, drool a lot, and are back to normal within a day or two.

What to watch for

Pawing at the mouth, foamy drooling, head-shaking, decreased appetite, vomiting (sometimes with bits of plant), and difficulty swallowing. Watch the muzzle and tongue for visible swelling; rare cases involve airway swelling and breathing difficulty.

Time window

Signs typically appear within minutes of chewing. With supportive care, most dogs recover within 24–48 hours; persistent or worsening signs warrant a vet visit.

When to call the vet

Call your vet or a poison hotline immediately if drooling does not stop within an hour, the dog will not eat or drink, the tongue or muzzle is visibly swollen, or there is any change in breathing.

First aid at home

Wipe any plant material out of your dog's mouth with a damp cloth. Offer cool water; a small amount of milk or yogurt can ease the burning by binding oxalate crystals. Then call ASPCA Animal Poison Control (888-426-4435) or the Pet Poison Helpline (855-764-7661). Do not induce vomiting unless a veterinarian instructs you to.

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.

Dogsconcern notes

Common signs

Oral irritation, excessive drooling, pawing at the mouth, vomiting, and decreased appetite due to discomfort.

Escalation note

Ingestion typically results in immediate discomfort due to the needle-like crystals. Seek veterinary advice if symptoms are severe or if the animal refuses to eat or drink.

Safer alternatives

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Source evidence

ASPCA Toxic Plant List

toxicology · 99% reliability

Open source

Ceriman is toxic to both cats and dogs due to the presence of insoluble calcium oxalates.

Cats & dogs pagecats pageMy dog ate Monstera

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