8 Houseplants to Avoid if You Have Cats

Written by Natalie Anstey
Apr 20, 2024 · 10 min read
houseplants
toxic
pet
indoor plant
cats

For all the plant enthusiasts out there who share their homes with feline companions, ensuring the safety of your pets is as crucial as nurturing your plant collection. Some plants, while adding beauty and vibrancy to our living spaces, can pose significant risks to our curious cats. This blog focuses on plants poisonous to cats, aiming to help you create a safe and harmonious environment for both your green friends and your furry ones.

What Plants are Toxic to Cats?

Plants like Lilies, Sago Palms, and Peace Lilies are commonly known for their toxicity to cats, but they're not alone. A wide array of houseplants can cause everything from mild irritation to severe health issues in cats. It's crucial to identify these plants and understand the risks they pose. Here's a rundown of some common plants toxic to cats:

1. Lilies

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Lilies are exceedingly dangerous to cats. Even small ingestions, such as a few petals or leaves, pollen grooming off their fur, or drinking water from a vase holding lilies, can lead to severe kidney damage. The exact toxin in lilies that causes this drastic reaction is not well understood, but the outcome can be acute kidney failure within a short period after ingestion. Given the popularity of lilies in bouquets and gardens, it's crucial for cat owners to be vigilant and ensure these flowers are never accessible to their pets.

2. Sago Palms

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Sago Palms, while less commonly known, pose a significant threat to cats (and dogs). Every part of this plant, especially the seeds, contains cycasin, a toxin that can cause liver failure and potentially be fatal if ingested. Symptoms of Sago Palm poisoning include vomiting, diarrhea, lethargy, seizures, and liver failure. The attractiveness of the plant's palm-like appearance makes it a popular decorative choice, but its lethal potential for pets necessitates extreme caution.

3. Peace Lilies

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Peace Lilies, despite their serene name, are not true lilies but are part of the Araceae family. They contain insoluble calcium oxalates, which can cause oral irritation, drooling, nausea, vomiting, and difficulty swallowing if ingested by cats. While they are not as life-threatening as true lilies, the discomfort and potential health issues they can cause make them unsuitable for households with cats.

4. Begonia

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Begonias, with their lush leaves and vibrant blooms, are a popular choice for indoor gardeners. However, all parts of the begonia plant contain soluble calcium oxalates, compounds that can cause severe irritation in a cat's mouth and gastrointestinal tract. If ingested, symptoms might include drooling, vomiting, and in severe cases, kidney failure. The immediate oral discomfort likely prevents cats from consuming large amounts, but even small nibbles should be cause for concern.

5. Bird of Paradise

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The Bird of Paradise plant is known for its large, exotic flowers that can add a tropical flair to any room. However, it's not just the beauty that's striking; the plant's seeds and fruit can cause significant health issues if ingested by cats. Symptoms may include vomiting and drowsiness, and while the toxicity is generally considered moderate, it's enough to warrant keeping these plants out of reach of curious felines.

6. Dieffenbachia

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Commonly known as Dumb Cane, Dieffenbachia is a popular houseplant due to its striking foliage. However, it contains insoluble calcium oxalates, leading to oral irritation, drooling, and difficulty swallowing. The immediate pain and burning sensation in the mouth are often enough to stop pets from further consumption, but any exposure warrants attention. In severe cases, swelling can obstruct the airway, posing a serious risk.

7. Jade Plant

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The Jade Plant, with its succulent leaves and woody stems, is a favorite among plant enthusiasts for its ease of care and purported good luck. However, its beauty belies a danger to cats; it can cause depression, vomiting, and coordination problems if ingested. The specific toxins are not well understood, but the clinical signs are enough to recommend keeping Jade Plants well away from cats.

8. Monstera Deliciosa

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Monstera Deliciosa, often simply called Monstera, is famed for its unique leaf patterns and is a staple in modern interior design. However, like many members of the Araceae family, it contains insoluble calcium oxalates. These can cause intense oral irritation, drooling, and vomiting if a cat chews on the leaves. The immediate pain usually prevents serious ingestion, but the presence of these plants in a pet-friendly home should be carefully reconsidered.

Mitigating Risks

Cat owners who wish to keep plants at home must prioritize the safety of their pets by choosing non-toxic alternatives and educating themselves about the potential hazards of specific plants. Implementing preventive measures such as keeping toxic plants out of reach or excluding them from home and garden spaces entirely can significantly reduce the risk of poisoning. Awareness and immediate action are crucial; if you suspect your cat has ingested a toxic plant, seek veterinary care immediately.

Creating a cat-safe home environment doesn't mean sacrificing greenery. Many plants, such as spider plants, Boston ferns, and certain succulents, are safe for cats and can beautify your living space without posing risks. Prioritizing your cat's health and safety means making informed choices about the plants you allow in your home, ensuring a harmonious coexistence between your plant collection and your feline family members.

Creating a Safe Environment

Ensuring your home is a haven for both your feline friend and your cherished houseplants requires a balance of awareness and precautionary measures. You don't have to forsake the lush, green ambiance that plants bring to your living spaces to keep your cat safe. Instead, by adopting a few mindful practices, you can cultivate a harmonious environment that supports the well-being of your pet and your plants. Let’s delve into how you can achieve this balance through research, strategic placement, and the selection of pet-safe flora. Here are a few tips:

Research Before You Buy

The first step towards creating a pet-friendly indoor garden is to conduct thorough research on each plant you intend to bring into your home. Not all plants are safe for cats, and some can be toxic, causing anything from mild irritation to severe health issues if ingested. Leveraging resources like the ASPCA’s list of non-toxic plants is a good starting point. Additionally, engaging with a community of plant enthusiasts can provide insights into experiences with various plants in pet-inclusive households. This proactive approach ensures that you’re fully informed about the potential impact of your greenery on your cat’s health.

Elevate Plants

Cats are known for their curiosity and agility, often exploring heights with ease. Elevating your plants, whether through hanging planters, high shelves, or even specialized plant stands, can be an effective strategy to keep them out of reach of your adventurous pet. However, it’s important to recognize that a particularly determined cat might see this as a challenge rather than a deterrent. To enhance this strategy, consider incorporating cat deterrents near your plants, such as double-sided tape or citrus peels, which can serve as additional preventive measures.

Choose Safe Alternatives

Embracing pet-safe plants is perhaps the most foolproof method to ensure the safety of your cat while maintaining a green and vibrant home. There are numerous cat-friendly plants that can coexist with your pet without posing any health risks. Spider plants, for instance, are an excellent choice for cat owners. Not only are they non-toxic, but they also tend to be quite resilient, making them suitable for homes with pets that might be inclined to nibble on foliage. Spider plants can even serve as a distraction, satisfying your cat’s grazing habits in a safe and controlled manner. Other safe alternatives include the Boston fern, bamboo palm, and parlor palm, all of which can add aesthetic value to your home without endangering your feline companion.

Signs of Toxic Plant Poisoning in Cats

When introducing houseplants into a home shared with cats, it's crucial to be vigilant about the potential risks some plants pose. Understanding and recognizing the symptoms of plant toxicity in cats can be a vital part of ensuring the safety and health of your furry companions. Common signs that your cat may have ingested a toxic plant include vomiting, diarrhea, drooling, and lethargy. These symptoms can vary in severity, but all warrant immediate attention and action to prevent further health complications.

Vomiting and Diarrhea

Vomiting and diarrhea are the body's natural response to ingesting something harmful, in this case, toxic plant material. These symptoms can occur separately or concurrently and serve as clear indicators that your cat's body is attempting to expel a toxic substance. It's important to monitor the frequency and appearance of both vomiting and diarrhea, as they can lead to dehydration and electrolyte imbalances if not addressed promptly.

Drooling

Excessive drooling or salivation is another common symptom of plant toxicity in cats. This response can be triggered by the irritation or burning sensation caused by the toxic compounds found in certain plants. Drooling can be a cat's immediate reaction upon chewing or ingesting plant parts that contain irritants. It's a sign that the substance is causing discomfort or pain in the mouth or throat, and it shouldn't be ignored.

Lethargy

Lethargy or a noticeable decrease in activity levels can indicate that a cat is feeling unwell due to the ingestion of a toxic plant. A cat that is lethargic may appear unusually tired, show little interest in playing, or have a reduced appetite. This symptom can be particularly concerning as it suggests that the toxicity is affecting the cat's overall well-being and energy levels. Lethargy can be accompanied by other symptoms of toxicity or occur on its own.

What to Do if Your Cat Ingests a Toxic Plant

Even with the best precautions, accidents can happen. Knowing the signs of plant toxicity and how to respond is vital:

  • Immediate Action: Remove any plant material from your cat's mouth and provide fresh water.

  • Seek Veterinary Care: Contact your veterinarian or the ASPCA Animal Poison Control Center at (888) 426-4435 for guidance.

As a plant enthusiast and a cat parent, your role is to create a living space that is safe and enriching for all your companions. By being mindful of the plants toxic to cats, you can enjoy the benefits of houseplants without putting your pets at risk. Remember, the well-being of your furry friends should always take precedence in your plant choices.

Fern's Leafy Learnings

  • Many common houseplants, such as Lilies and Sago Palms, are toxic to cats and can cause symptoms ranging from mild irritation to severe health issues.
  • Plants like Begonia, Bird of Paradise, and Monstera Deliciosa should be avoided in homes with cats due to their toxic properties.
  • It's crucial to research and verify the safety of plants before introducing them into your home shared with cats.
  • In case of accidental ingestion, knowing the signs of toxicity and responding quickly is key to ensuring your cat's safety.
  • Opting for cat-safe plants can help create a harmonious and safe environment for both your plants and pets.

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