Is Pothos (devil's ivy) toxic to cats?
No. Pothos (also called devil's ivy or golden pothos) contains insoluble calcium oxalate crystals that cause painful mouth irritation, drooling, and swelling if chewed.
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Key facts
- Verdict: No — dangerous to cats. Pothos (devil's ivy) should never be given deliberately.
- Category: Houseplant
- Onset: Signs can start immediately — see the full timeline below.
- If it's already happened: Call your vet now, or the Animal PoisonLine on 01202 509000 (24/7, charges apply) — see the emergency steps below.
If your cat has just eaten pothos (devil's ivy)
- Rinse your cat's mouth gently with cool water if tolerated.
- Call your vet for advice — pain relief may be needed.
- Watch for swallowing or breathing difficulty.
What's the full picture?
Pothos (Epipremnum aureum) is one of the most common houseplants in UK homes — it's sold everywhere from supermarkets to garden centres, tolerates low light and neglect well, and trails attractively from shelves, making it a popular choice for exactly the kind of household that also has a cat. Unfortunately, its popularity is also why it's one of the most frequently reported cat-chewing houseplant incidents in the UK. Like dieffenbachia and philodendron, pothos leaves and stems contain needle-shaped insoluble calcium oxalate crystals stored under pressure in specialised plant cells.
When a cat bites into a pothos leaf, these cells rupture and drive the microscopic crystals directly into the soft tissue of the lips, tongue and gums, causing an immediate, sharp, mechanical pain response rather than a slow-acting poisoning. This is why the reaction is almost always instant: the cat typically yelps, paws at its mouth, and drops the plant material within seconds, which does limit the total amount ingested in most cases, though it doesn't prevent the injury from the initial bite.
Because pothos grows as long trailing vines, it presents a particular hazard beyond leaf-chewing: cats are drawn to bat at and chase dangling stems as a play behaviour, and in doing so can end up biting through a vine or getting a strand wrapped around themselves. Hanging planters and shelf-top pothos are common in UK living rooms and kitchens specifically because they're out of a cat's easy reach on the ground, but cats are excellent climbers and jumpers, and a pothos on a high shelf is often not as inaccessible as it looks.
The pain and swelling from a pothos bite usually peaks within a few hours and settles with supportive veterinary care — pain relief and sometimes anti-inflammatories — over a day or two in mild cases. As with other calcium-oxalate plants, the main danger to watch for is swelling severe enough to affect swallowing or breathing, which is uncommon from a single bite but becomes more of a risk the more plant material a cat manages to chew through.
Symptoms to watch for
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Cat owner essentials
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Questions owners ask
Can I keep pothos in a hanging basket my cat can't reach?
It reduces the risk but doesn't eliminate it — cats can jump, climb, and pull trailing vines down from surprising heights. The reliably safe approach is to choose a non-toxic trailing plant, such as a spider plant, if your cat has any access to the room at all.
How much pothos does a cat need to eat to be seriously harmed?
Even a single bite causes immediate pain because the crystals are released on contact, but most cats limit their own intake by dropping the plant quickly. Repeated chewing or a cat that persists despite the pain is at greater risk of significant swelling.
Is pothos toxic to touch, or only if eaten?
The crystals need to be released from ruptured plant cells to cause harm, so simply brushing against an intact leaf is very low risk. The danger comes from biting or chewing into the leaf or stem tissue.
What's a good cat-safe alternative to pothos for a trailing houseplant look?
Spider plants are a popular non-toxic trailing option that many cats also enjoy investigating safely. Boston ferns and Boston-fern relatives are another safe, lush-looking choice for a similar aesthetic without the calcium oxalate risk.
If your cat keeps returning to the wrong plant, a pet-safe plant deterrent spray can break the habit without harm.
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Related
Sources referenced for this guidance
- Veterinary Poisons Information Service (VPIS) — UK clinical toxicology reference used by vets
- International Cat Care — feline-specific clinical guidance
- BSAVA — British Small Animal Veterinary Association reference materials
- Merck Veterinary Manual — professional veterinary reference
About this guidance
Every entry on this site is compiled from published UK veterinary toxicology sources — International Cat Care, Veterinary Poisons Information Service (VPIS) references, RCVS-registered practice materials, and peer-reviewed feline medicine literature. Where the evidence is mixed, we err on the cautious side because cats are unusually sensitive to many common substances that are harmless to humans and even to dogs.
This is general information written for UK cat owners. It is not personalised veterinary advice for your specific cat, their age, weight, medical history, or the exact exposure you're dealing with. If your cat has eaten something or is unwell, call your vet first. The Animal PoisonLine on 01202 509000 is available 24/7 for a small fee and can tell you whether an emergency visit is needed.
Entries are reviewed and updated as new research emerges. Spotted an error? Let us know — corrections are investigated and applied within 24 hours. For more context on how we work, see about and our full disclaimer.
Last reviewed: · By the What Can My Cat Eat? editorial team