Are Snake Plants Toxic to Cats? Short Answer: Yes

By: Nico Avelle  | 
cat
Cats will chew on a lot of different houseplants — and that's not a good thing. Kilito Chan / Getty Images

Snake plants are the hardy green heroes of the indoor garden world. Also known as mother-in-law's tongue, these low-maintenance houseplants are practically indestructible and can thrive in everything from bright sun to dim corners. But pet lovers, especially cat owners, often ask: Are snake plants toxic to cats?

If your furry friend is a fan of nibbling on leafy greens, it’s crucial to understand the risks. The good news? You’re not alone. Many cat owners have asked the same question about the safety of the plants in their homes.

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So, let’s dig into the science behind snake plant toxicity and find out what makes these popular houseplants potentially risky.

Why Snake Plants Are Considered Toxic

Snake plants
If you have outdoor cats, this snake plant setup is a no-go. kampee patisena / Getty Images

Snake plants (Sansevieria trifasciata), including varieties like the golden bird's nest, contain chemical compounds called saponins. These naturally occurring substances act as a defense mechanism for the plant by deterring pests and harmful microbes.

But while saponins help the snake plant thrive, they can be dangerous for pets. This is why snake plants are toxic to cats.

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When a cat ingests the plant material, the saponins can cause plant poisoning in cats, triggering symptoms that range from mild gastrointestinal upset to more serious issues like dehydration and lethargy.

While not usually extremely toxic, the toxic effects are enough to cause concern for any cat's health. Saponins can irritate the gastrointestinal tract in cats, leading to symptoms like vomiting and diarrhea.

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6 Common Symptoms of Snake Plant Ingestion

The symptoms of snake plant toxicity usually appear quickly. If your cat eats even a small piece, you might notice the following toxicity symptoms.

  1. Oral irritation including drooling and pawing at the cat's mouth
  2. Vomiting
  3. Diarrhea
  4. Loss of appetite
  5. Lethargy
  6. Swelling of the tongue or mouth

These common symptoms are your cat’s way of saying the plant ingested isn’t sitting well.

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What To Do When a Cat Eats a Snake Plant

If you suspect your furry friend has gotten into a snake plant, act quickly.

Remove any visible plant material from the mouth and contact your local veterinarian for immediate veterinary attention. Even if the symptoms seem minor, it’s always best to seek professional advice.

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Treatment might involve fluid therapy, medications to manage nausea or vomiting, or even induce vomiting if the ingestion was recent. Some cats may need ongoing supportive care to help their systems recover from the exposure to toxic substances.

Understanding Snake Plant Toxicity

Snake plant
This pretty little snake plant should be kept far away from your pretty little kitty. Photo by Jonas Adner / Getty Images

The toxicity of snake plants is mainly due to the presence of saponins, which compromise cell membranes in the digestive tract. This leads to inflammation, pain, and other adverse effects.

While snake plants poisonous to cats might not always require hospitalization, the reaction can be serious depending on the amount cat ingests and their overall health.

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It's also worth noting that plants toxic to cats often include more than just the snake plant. Easter lilies are highly toxic and potentially fatal to cats, causing acute kidney failure.

Jade plants and peace lilies are considered to have mild to moderate toxicity, typically causing gastrointestinal upset. These are true lilies, which are far more dangerous than the snake plant.

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Can One Cat React Differently Than Another?

Absolutely. One cat might nibble a snake plant and show no signs, while another might experience significant gastrointestinal signs or oral pain.

Factors like age, size, pre-existing conditions and how much plant material was consumed all influence the outcome. It’s why no ingestion should be taken lightly, especially if you want to avoid long-term damage or repeat incidents.

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Cats can also build habits. If they’ve munched on mother-in-law's tongue before, they may return to it unless you intervene. Ensuring your indoor garden is cat-proofed can go a long way in preventing repeated exposure to plants toxic to cats.

Why Cats Are Drawn to Houseplants

Cats are naturally curious and often explore the world with their mouths. For indoor cats especially, houseplants can seem like exciting new toys. Some experts suggest that cats chew on plants to help move hairballs or aid digestion. But when it comes to plants toxic, the results can be harmful.

Chewing on various plant species can introduce harmful microbes or toxic substances. This is why understanding plant toxicity in cats is critical.

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Even "safe" alternatives like spider plants and Boston ferns should be offered cautiously, as overconsumption of any plant material can still lead to gastrointestinal distress if cats overindulge.

3 Other Toxic Plants to Watch Out For

Aside from the snake plant, numerous other household plants can pose risks to your pets. Among the plants toxic to cats are:

  1. Dieffenbachia: Known for causing oral irritation and drooling (and we're not talking about a good kind of cat drooling)
  2. Philodendron: Can cause swelling and difficulty swallowing
  3. Aloe vera: Helpful for humans, not so much for pets

Always be cautious with any new greenery. Cats love exploring, and some will taste test just about anything.

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4 Safe and Cat-friendly Plant Alternatives

If you want a lush indoor garden without endangering your pets, consider non toxic plants that are safe for homes with cats. Here are some relatively pet-friendly choices:

  1. Spider plants: Attractive and nontoxic, though cats may still play with the leaves
  2. Boston ferns: Lush and leafy with no known toxins
  3. Areca palms: A popular decorative option that’s safe for cats
  4. Calathea: Bright, patterned leaves that add flair without risk

Avoid plants like the good luck plant (a common nickname for the toxic jade plant) and others that are toxic to cats. Make sure any plant species you bring into your home is thoroughly researched for cat safe status. Even other plants marketed as ornamental may fall into the category of plants toxic to cats.

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4 Prevention Tips for Cat Owners

To keep your pets safe:

  1. Choose only cat safe or non toxic plants for your home.
  2. Place plants in areas inaccessible to your furry friend(s).
  3. Use cat deterrent sprays or barriers to make plants less appealing.
  4. Offer pet grass or safe greens for chewing.

This reduces the temptation and allows your cat a safe outlet for natural behaviors. It also protects your décor and your pet’s wellbeing.

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The bottom line: Snake plant ingestion isn’t usually fatal, but it can cause discomfort and health complications. Take symptoms seriously, act fast and consult your veterinarian immediately.

We created this article in conjunction with AI technology, then made sure it was fact-checked and edited by a HowStuffWorks editor.

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