10 Plants That Are Poisonous for Cats (And 5 That Are Good for Them Too)

As a gardener and cat lover, it’s important to create a safe environment for our feline friends while still enjoying the beauty and benefits of plants. Cats are naturally curious creatures, and they often nibble on plants, which can sometimes lead to accidental poisoning. Knowing which plants are toxic and which are safe can help you make informed decisions to protect your pets.

In this article, I’ll share ten common plants that are poisonous to cats and five that are safe and even beneficial for them. Understanding these distinctions can help you maintain a beautiful garden or indoor plant collection without compromising your cat’s health. Let’s dive into these plant choices to ensure your furry friends stay safe and happy.

Lilies

wood lily
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Lilies are incredibly beautiful, but they are highly toxic to cats. Even a small amount of any part of the plant, including pollen, leaves, and flowers, can cause severe kidney failure. Symptoms of lily poisoning include vomiting, lethargy, and loss of appetite. If untreated, it can be fatal.

Given the high risk, it’s best to avoid having lilies in a household with cats. If you suspect your cat has ingested any part of a lily, seek veterinary help immediately. Removing these plants from your home and garden is a crucial step in ensuring your cat’s safety.

Aloe Vera

aloe pups
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While Aloe Vera is renowned for its healing properties for humans, it’s toxic to cats. The plant contains saponins and anthraquinones, which can cause vomiting, diarrhea, and lethargy in cats if ingested. The gel inside the leaves is particularly harmful.

If you love Aloe Vera, make sure to place it in an area that is completely inaccessible to your cat. Alternatively, consider replacing it with a cat-safe succulent. If ingestion occurs, contact your vet immediately. It’s essential to recognize the potential dangers of this otherwise beneficial plant.

Pothos

pruned pothos starts
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Pothos, also known as Devil’s Ivy, is a popular houseplant for its hardiness and air-purifying qualities. However, it contains insoluble calcium oxalates that can cause severe irritation and swelling of the mouth, tongue, and throat in cats. Symptoms include drooling, vomiting, and difficulty swallowing.

To keep your cat safe, place Pothos plants out of reach or consider choosing a non-toxic alternative. If your cat shows any signs of Pothos ingestion, rinse their mouth with water and seek veterinary care. Awareness and prevention are key to protecting your feline friend from this toxic plant.

Philodendron

Philodendron Gloriosum
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Philodendrons are loved for their lush, tropical foliage, but they are toxic to cats. They contain calcium oxalate crystals, which can cause severe oral irritation, drooling, vomiting, and difficulty swallowing if ingested. These symptoms can be distressing and potentially dangerous for your cat.

Keep Philodendrons out of your home or place them in areas completely inaccessible to pets. Educate yourself on the signs of poisoning and be ready to act quickly if your cat shows symptoms. Choosing safer plant alternatives can help create a pet-friendly environment.

Sago Palm

sago palm
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Sago Palm is a visually striking plant, but all parts of it are highly toxic to cats, with the seeds being the most dangerous. It contains cycasin, which can cause severe liver damage, vomiting, diarrhea, and even death if ingested. The toxicity is extremely high, making this plant very hazardous.

Due to its high risk, it’s best to avoid Sago Palm entirely if you have cats. If your cat ingests any part of this plant, seek emergency veterinary care immediately. Replacing Sago Palm with a safer alternative is crucial for a cat-friendly home.

Dieffenbachia

dieffenbachia varieties
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Dieffenbachia, also known as Dumb Cane, is popular for its striking foliage but is toxic to cats. It contains calcium oxalate crystals that can cause severe irritation and swelling of the mouth, tongue, and throat, leading to difficulty breathing and swallowing. Symptoms also include drooling and vomiting.

To protect your cat, avoid keeping Dieffenbachia in your home or place it in a spot that is entirely out of reach. If you suspect your cat has ingested this plant, rinse their mouth and seek veterinary help immediately. Prioritizing your pet’s safety is essential when choosing houseplants.

Oleander

oleander
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Oleander is a beautiful but highly toxic plant that poses a significant risk to cats. It contains cardiac glycosides, which can cause severe symptoms, including vomiting, diarrhea, lethargy, and even heart failure. Ingestion of even a small amount can be fatal.

Given the extreme toxicity, it’s best to avoid Oleander altogether if you have cats. If exposure occurs, seek veterinary care immediately. Choosing non-toxic plants ensures a safe and healthy environment for your feline friends.

Jade Plant

jade plant leaves
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Jade Plant, also known as Crassula ovata, is a popular succulent but is toxic to cats. Ingesting this plant can cause vomiting, depression, and lack of coordination. While the toxicity is generally mild to moderate, it can still pose a risk to curious cats.

To keep your cat safe, place Jade Plants out of reach or consider choosing a non-toxic succulent alternative. If you suspect your cat has ingested any part of a Jade Plant, contact your veterinarian for advice. Being aware of the risks helps in making safer choices for your home.

Snake Plant

snake plant
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Snake Plant, also known as Mother-in-Law’s Tongue, is easy to care for but toxic to cats. It contains saponins that can cause nausea, vomiting, and diarrhea if ingested. Although the toxicity is generally mild, it’s best to prevent any potential risks.

Keep Snake Plants in areas inaccessible to your cat or opt for safer plant options. If your cat ingests the plant, provide water and contact your veterinarian for further guidance. Prioritizing pet-friendly plants can help maintain a safe and enjoyable home for everyone.

English Ivy

ivy
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English Ivy is known for its attractive, trailing vines but is toxic to cats. It contains saponins that can cause gastrointestinal distress, including vomiting and diarrhea, if ingested. Skin contact with the plant can also cause dermatitis or irritation.

To protect your cat, avoid keeping English Ivy in your home or ensure it’s placed out of reach. If ingestion occurs, rinse your cat’s mouth with water and seek veterinary assistance. Opting for non-toxic plants can help you create a safer environment for your feline companions.

Catnip

catnip
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Catnip is one of my favorite plants to grow because it’s not only safe for cats but also highly beneficial. It contains nepetalactone, which induces a state of euphoria in most cats, leading to playful and relaxed behavior. Catnip is easy to grow indoors or in the garden.

Catnip can be offered fresh, dried, or in toys. Growing your own ensures a continuous supply of this delightful herb for your cat. Providing catnip as a safe and stimulating option keeps your feline friend happy and engaged.

Valerian

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Valerian is another excellent plant for cats. It acts as a stimulant, similar to catnip, and can encourage playful behavior and exercise. Valerian root contains actinidine, which attracts cats and induces a sense of well-being and excitement.

Growing Valerian in your garden or indoors can provide a safe and enriching environment for your cat. Offer the root or leaves to your cat occasionally to stimulate their senses and promote activity. Valerian is a fantastic addition to a cat-friendly home.

Cat Grass

wheatgrass
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Cat Grass, typically a blend of wheat, oat, and barley grasses, is a healthy and safe treat for cats. It aids in digestion, helps prevent hairballs, and provides essential nutrients. Cats naturally nibble on grass, and providing Cat Grass indoors can satisfy this instinct.

Cat Grass is easy to grow in small pots and requires minimal care. Offering fresh Cat Grass regularly ensures your cat has a safe and beneficial option for nibbling, promoting overall well-being. It’s a simple yet effective way to enhance your cat’s environment.

Lemon Balm

lemon balm
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Lemon Balm is a safe and soothing herb for cats. It has a calming effect, which can help reduce anxiety and stress. The mild lemon scent is attractive to cats, and they may enjoy rubbing against or nibbling the leaves.

Growing Lemon Balm in your garden or indoors provides a natural way to help your cat relax. It’s easy to care for and can also be used in teas and cooking for human consumption. Including Lemon Balm in your plant collection offers benefits for both you and your feline friend.

Parsley

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Parsley is a safe and nutritious herb for cats in low doses, rich in vitamins and antioxidants. It can help freshen your cat’s breath and support urinary health. While it should be offered in moderation, parsley can be a healthy addition to your cat’s diet.

Grow parsley in your garden or indoors to ensure a fresh supply. Add a small amount to your cat’s food occasionally to provide a nutritional boost. Parsley is an excellent way to enhance your cat’s health naturally.

By choosing plants that are safe and beneficial for your cats, you can create a harmonious environment that caters to both your love of gardening and your feline companions’ well-being.

Thomas Nelson
Gardening Expert
Hi! I'm Thomas, one of the founders of The Garden Magazine. I come from a long line of gardeners who used the art of gardening as a way to live long, healthy lives. I'm here to share my knowledge of gardening with the world!