Pet Safe Houseplants: 14 Non-Toxic Plants for Cats and Dogs

Most of the popular houseplants are toxic to pets. Pothos, monstera, philodendron, peace lily, snake plant, ZZ plant, aloe and rubber plants are all on the list — which covers a large share of what any garden centre sells.

The good news is that there are genuinely non-toxic alternatives for almost every look and light level.

What “toxic” usually means

Most houseplant toxicity is unpleasant rather than dangerous. The commonest mechanism is insoluble calcium oxalate crystals, found throughout the arum family — pothos, philodendron, monstera, peace lily, dieffenbachia, ZZ plant.

Chewing releases needle-shaped crystals that cause immediate intense burning of the mouth and throat, drooling, pawing at the face and vomiting. It is genuinely painful, and it usually stops the animal eating more, which is why serious cases are uncommon.

A smaller number of plants are seriously dangerous, and those are worth knowing by name.

Genuinely non-toxic plants

For bright light

Spider plant (Chlorophytum comosum) — the classic pet-safe choice, and cats love it. Arching striped leaves and free plantlets all summer. See the spider plant care guide.

Calathea and prayer plant (Goeppertia, Maranta) — the most dramatic patterned foliage available that is safe for pets. Demanding about humidity and water quality; see the calathea care guide.

Phalaenopsis orchid — non-toxic, long-flowering and genuinely straightforward once you understand the bark-and-drench routine. See the orchid care guide.

Echeveria and most Sedum — rosette succulents, non-toxic, needing a sunny windowsill. See the echeveria care guide.

Haworthia — small spiky succulents, safe, tolerant of less light than most succulents.

African violet (Saintpaulia) — compact, flowers repeatedly indoors, entirely non-toxic.

For medium light

Parlour palm (Chamaedorea elegans) — soft fronds, genuinely shade-tolerant, safe. One of the best pet-friendly floor plants.

Areca palm (Dypsis lutescens) — larger, feathery, safe, wants bright indirect light.

Ponytail palm (Beaucarnea recurvata) — not a palm at all but a succulent with a swollen trunk. Non-toxic, drought-tolerant, sculptural.

Peperomia (most species) — thick textured leaves in many forms, compact, easy and safe.

Bird’s nest fern (Asplenium nidus) — glossy rippled fronds, non-toxic, wants humidity.

Boston fern (Nephrolepis exaltata) — classic hanging fern, safe, demands consistent moisture and humidity.

For low light

Cast iron plant (Aspidistra elatior) — nearly indestructible, deeply shade-tolerant, non-toxic. Probably the single best choice for a dim room with pets.

Friendship plant (Pilea involucrata) and Chinese money plant (Pilea peperomioides) — both safe, both compact, both easy in medium light.

Plants to avoid with pets

Seriously dangerous — treat as emergencies:

• True lilies (Lilium, Hemerocallis) — cause acute kidney failure in cats. Any exposure counts, including pollen on fur and water from the vase. Frequently fatal without rapid treatment. Do not have these in a home with cats.
• Sago palm (Cycas revoluta) — causes liver failure in cats and dogs. The seeds are the most toxic part. High fatality rate.
• Oleander, foxglove, autumn crocus — cardiac and systemic toxins.

Painful but rarely fatal:

• Dieffenbachia (dumb cane) — among the most severe of the oxalate group
• Pothos, philodendron, monstera
• Peace lily — note this is not a true lily and does not cause kidney failure
• ZZ plant, snake plant
• Aloe vera — the latex layer, not the clear gel
• Rubber plant and other ficus — latex sap

Toxicity is species-specific, and common names are unreliable — the same name refers to different plants in different places. If you are unsure what a plant is, identify it by its botanical name before deciding whether it is safe.

If your pet eats a plant

1. Call your vet or an animal poison control line immediately. Do not wait for symptoms.
2. Have the plant ready — bring it, or send a photo. Identification meaningfully speeds treatment.
3. Do not induce vomiting unless a professional instructs you to. It makes some exposures worse.
4. Note the time and the amount eaten as best you can.
5. For cats and true lilies, treat it as a genuine emergency. Kidney damage starts within hours, and how quickly treatment begins largely determines the outcome.

Keep your vet’s number and a 24-hour animal poison line saved in your phone before you need them.

Reducing the risk

Give them an alternative. A pot of cat grass or catnip redirects the behaviour more effectively than any deterrent. Cats often chew plants out of boredom or a taste for greens rather than hunger.

Place plants genuinely out of reach. Hanging a pothos is not sufficient — cats will chase a dangling vine. A closed room or a high shelf with nothing to climb from works better.

Cover the soil with large pebbles to stop digging and discourage use as a litter tray.

Try deterrents, with modest expectations. Citrus peel on the soil and commercial bitter sprays work for some animals and are entirely ignored by others.

Choose non-toxic when you can. Given the list above covers bright, medium and low light, it is usually possible to get the look you want without the risk.

A note on “non-toxic”

Non-toxic means the plant contains no known poisonous compounds. It does not mean eating it has no effect — any animal that eats enough plant material may vomit simply from indigestible fibre.

Nursery plants also frequently carry pesticide and fertiliser residue on their leaves and in their soil. Rinsing the foliage and replacing the top layer of soil when you bring a plant home is a sensible precaution regardless of species.