Are ZZ Plants Toxic to Cats? Vet-Reviewed Safety Facts

By Genevieve Dugal · Reviewed & fact-checked by Dr. Lorna WhittemoreVet Approved

Reviewed & Fact-Checked byDr. Lorna WhittemoreVeterinarianLorna is a Scottish vet who has lived, studied, and worked on three continents and has a love of travel. With 20 years of experience in small animal medicine andsurgery, both in the charity and private sector. Gaining a further qualification in feline medicine has given her a continued sense of amazement at the fabulous animals. Currently living in Cape Town, South Africa, with her family and expanding number of pets allows her to spend time in and around nature where she is at her happiest. With a love for learning, Lorna is enjoying researching, editing, and fact-checking for Hepper veterinary editorial team and truly feels that she has the best job in the world!View authorThe information is current and up-to-date in accordance with the latest veterinarian research. Read about our vetsUpdated on December 23, 2025

The ZZ plant, also known by its exotic botanical name Zamioculcas zamiifolia¹, is incredibly resilient. This almost perfect plant requires very little water and light, in addition to tolerating extreme conditions, aside from the cold. Moreover, it is not prone to disease and is of little interest to insects. But, as a cat parent, you wonder if this beautiful plant is toxic to your beloved feline. The answer to this question, however, is rather nebulous.

Indeed, Zamioculcas zamiifolia is not found on any official list of plants toxic to cats. But, on the other hand, if you do a quick Google search, you will find a plethora of "sources" warning cat lovers against the dangerous toxicity of this plant. So, for your peace of mind and the health of your kitty, let's demystify some of the information circulating about the ZZ plant.

Is the ZZ Plant Really Toxic to Cats?

The ZZ plant is not on the list of any of the following reputable organizations and websites:

American Society for the Prevention of Cruelty to Animals (ASPCA)
Pet Poison Helpline
PetMD

However, this plant is part of the Araceae family which contain insoluble calcium oxalate crystals. Chewing any part of these plants (leaf, stem, flower) will usually release these crystals, which can then enter the tissues of the mouth or gastrointestinal tract. It is also possible, but very rare, for breathing to become difficult due to swelling of the upper respiratory tract.

This data leads to the conclusion that the ZZ plant can indeed induce some degree of toxicity to cats (or any other pet that likes to chew on the plants of the house). However, claims that the plant is extremely toxic to cats have yet to be proven.

Zamioculcas Zamiifolia in a vase on the floor — Image Credit: Ksenia Chernaya, Pixabay

What Are the Signs of Plant Poisoning?

If you suspect your cat has chewed on your ZZ plant and you are worried about possible poisoning, watch for the following signs:

Plant Poisoning Signs:

Drooling
Diarrhea
Mouth pain
Vomiting
Decreased appetite
Difficulty breathing

What if Your Cat Has Nibbled on Your ZZ Plant?

If your cat has chewed on the leaves, flowers, or stems of your ZZ plant, check with your vet to see if they are at risk. You can also contact the pet poison control center which can tell you what to do to prevent your animal from becoming very sick.

How to Keep Your Kitty Safe From Your ZZ Plant

Since prevention is better than cure, here are three ways to prevent your kitty from becoming ill from ingesting your ZZ plant:

1. Keep the Plant Away From Your Cat

The easiest way to keep your cat from getting sick is to keep the plant out of her reach. However, we know that's harder said than done, given our pet felines' insatiable curiosity and acrobatic skills.

You can place the plant on a high shelf that your cat cannot access, or in a room that is inaccessible to them.

Another tip: Place a less enticing plant - for example, a prickly cactus - in front of the ZZ plant. This should provide a safe barrier to the potential toxicity of this plant.

Cat with cactus plant behind it — Image Credit: freestocks-photos, Pixabay

2. Buy a Cat Repellent Spray

You can find in garden centers and hardware stores products specially designed to keep cats away from your poisonous plants. You can spray them on the pot or directly on the plant's foliage to discourage your feline.

However, read the product label carefully to be sure it is safe for plants and will not cause more harm than good to your cat!

3. Give Your Cat a Pot of Cat Grass

One way to keep your cat from snacking on your plants is to give them their own little indoor garden. You can buy cat grass ready for your kitty to eat, or you can grow your own in the comfort of your home. Just buy grass seeds (such as oats, wheat, rye, or barley) from your favorite pet store or garden center and sow them in a pretty container filled with potting soil.

Keep the pot in the sun, water occasionally, and in just a few days there will be plenty of greenery for your kitty to munch on. However, be aware that these shoots do not last long. You will need to plant new seeds every 2 or 3 weeks so that you always have fresh sprouts to offer your cat.

Conclusion

The ZZ plant is not as toxic to cats as the Internet seems to have us believe. On the other hand, the calcium oxalate crystals it contains could induce irritation of the mucous tissues and the GI tract, which would cause unwanted and annoying effects in your cat. And in very rare cases, ingesting this plant could in theory also cause respiratory problems. Therefore, we suggest that you keep the ZZ plant away from your feline. Either way, call your vet if you think your cat has chewed on this plant or is showing any of the signs mentioned above.