Pet safety
Is Monstera Perutoxic to cats & dogs?
Monstera karstenianum 'Peru'
Quick verdict — at a glance
- Toxic to cats?
- Yes — toxic
- Toxic to dogs?
- Yes — toxic
- ASPCA classification
- Toxic to pets · botanical name Monstera karstenianum 'Peru'
Is monstera peru safe for cats and dogs?
Avoid for a pet household. Monstera Peru is ASPCA-listed toxic to both cats and dogs; even a small chew can drive a vet visit. Plenty of look-alikes on the non-toxic side of the list — see alternatives below. This classification follows the ASPCA Toxic and Non-Toxic Plant List, the most widely used reference for companion-animal plant safety in the US and the standard most UK vets cite as well. Toxic to cats and dogs. Monstera Peru is not individually listed by the ASPCA, but the ASPCA lists the genus representative Monstera deliciosa (Swiss Cheese Plant) as toxic to dogs and cats due to insoluble calcium oxalate crystals. As an aroid (family Araceae), Monstera Peru contains the same oxalate raphides in all parts; chewing causes oral irritation, intense burning of the mouth and lips, drooling, vomiting, and difficulty swallowing. Keep away from pets and verify any concerns with your vet.
| Pet | Toxic? | Per ASPCA |
|---|---|---|
| Cats | Yes | Toxic to pets |
| Dogs | Yes | Toxic to pets |
What happens if a pet eats monstera peru?
Toxic to cats and dogs. Monstera Peru is not individually listed by the ASPCA, but the ASPCA lists the genus representative Monstera deliciosa (Swiss Cheese Plant) as toxic to dogs and cats due to insoluble calcium oxalate crystals. As an aroid (family Araceae), Monstera Peru contains the same oxalate raphides in all parts; chewing causes oral irritation, intense burning of the mouth and lips, drooling, vomiting, and difficulty swallowing. Keep away from pets and verify any concerns with your vet. Signs usually appear soon after chewing rather than hours later. If you see drooling, pawing at the mouth, head-shaking, vomiting, loss of appetite, or unusual lethargy after your pet has had access to monstera peru, treat it as a suspected ingestion and act on the steps below.
What to do if your pet ate monstera peru
- Remove any plant material from your pet's mouth and move monstera peru out of reach.
- Note how much was eaten and when, and watch for drooling, vomiting, or lethargy.
- Do not induce vomiting unless a vet or poison-control specialist instructs you to.
- Call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 and follow their advice.
- Bring a leaf or photo of monstera peru to the appointment so it can be treated correctly.
This page is general guidance, not veterinary advice. Pets vary, and a reaction may be to soil, fertiliser, or pesticide rather than the plant. If you are worried, always contact a vet or the ASPCA Animal Poison Control Center on (888) 426-4435 — do not wait for symptoms to worsen.
Pet-safe alternatives to monstera peru
Want the same look without the risk? These plants are listed as non-toxic to cats and dogs by the ASPCA and have similar care needs:
- Prayer plant — non-toxic to cats and dogs (care guide)
- Calathea — non-toxic to cats and dogs (care guide)
- Parlor palm — non-toxic to cats and dogs (care guide)
- Areca palm — non-toxic to cats and dogs (care guide)
Monstera Peru and pets — frequently asked questions
Is monstera peru toxic to cats?
Monstera Peru (Monstera karstenianum 'Peru') is toxic to pets to cats according to the ASPCA. Toxic to cats and dogs. Monstera Peru is not individually listed by the ASPCA, but the ASPCA lists the genus representative Monstera deliciosa (Swiss Cheese Plant) as toxic to dogs and cats due to insoluble calcium oxalate crystals. As an aroid (family Araceae), Monstera Peru contains the same oxalate raphides in all parts; chewing causes oral irritation, intense burning of the mouth and lips, drooling, vomiting, and difficulty swallowing. Keep away from pets and verify any concerns with your vet. Keep it out of reach and contact your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 if your cat chews it.
Is monstera peru toxic to dogs?
The ASPCA lists the same toxicity status for dogs as for cats: Monstera Peru is toxic to pets. Dogs often chew more enthusiastically than cats, so a toxic plant like monstera peru is best removed from the floor and low shelves entirely.
What happens if my pet eats monstera peru?
Toxic to cats and dogs. Monstera Peru is not individually listed by the ASPCA, but the ASPCA lists the genus representative Monstera deliciosa (Swiss Cheese Plant) as toxic to dogs and cats due to insoluble calcium oxalate crystals. As an aroid (family Araceae), Monstera Peru contains the same oxalate raphides in all parts; chewing causes oral irritation, intense burning of the mouth and lips, drooling, vomiting, and difficulty swallowing. Keep away from pets and verify any concerns with your vet. Signs usually appear soon after chewing rather than hours later. If you see drooling, pawing at the mouth, head-shaking, vomiting, loss of appetite, or unusual lethargy after your pet has had access to monstera peru, treat it as a suspected ingestion and act on the steps below.
What should I do if my cat or dog ate monstera peru?
Stay calm. Remove any remaining plant material from your pet's mouth and take the plant away so they cannot eat more. Note roughly how much was eaten and when. Do not make your pet vomit unless a vet or poison-control specialist tells you to. Call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 (a consultation fee may apply) and follow their advice. Bringing a photo or a leaf of monstera peru to the appointment helps the vet treat it correctly.
What are pet-safe alternatives to monstera peru?
If you want a similar look without the risk, good non-toxic swaps include prayer plant, calathea, parlor palm, areca palm. All of these are listed as non-toxic to cats and dogs by the ASPCA, so they suit a home where pets have access to your plants.
Full monstera peru care
Pet-safety is one piece of the picture. For light, watering, soil, and troubleshooting, see the complete monstera peru care guide, or browse the full pet-safe plant library to check another plant before you buy it.