The 19 Worst Toxic Plants For Cats (And Other Pets), Number 9 Will Shock You

The 19 Worst Toxic Plants For Cats (And Other Pets)

The 19 Worst Toxic Plants For Cats (And Other Pets)

Updated on 2/20/2024
Emma DowneyBy Emma Downey
Gardening Expert
Learn More about Emma Downey

Watch Out for These 19 Toxic Plants For Cats (and Other Pets, Too). There are a great many plants that are harmful to cats. And you won't find these plants in the woods; you may find them in the park near your house, your backyard or garden, and even your living room.

However, there is no need to be concerned as long as you know which plants should be avoided to keep your pet safe.

It's healthy knowledge that cats have a naturally inquisitive nature, and they could be interested in dirty shoes, cat food, flower bulbs, or even the fluff off the carpet. I may say The same thing about plants that are harmful to cats.

Some plants might give your cat diarrhea, while others can be harmful and cause significant problems such as damage to the liver and kidneys. We are not trying to frighten you; instead, we want to warn you. Cats often avoid hazardous plants, but occasionally they will ingest something accidentally.

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Because of this, keeping a safe distance between your pets and these dangerous beauties is essential, especially considering that some of these plants are also harmful to canines.

We have compiled a list of some common poisonous plants to cats, and you must be aware of this information. You'll also discover the answers to several frequently asked queries about whether plants are safe to have around pets.

Keep reading!

Toxic Plants For Cats (And Other Pets)

Toxic Plants For Cats

Toxic Plants For Cats

Visiting the neighborhood nursery could make you feel compelled to fill your home, yard, and even interior spaces with plants. However, as a responsible cat parent, you need to use extreme caution. About one thousand plants are harmful to cats and other pets, as stated by the Animal Society for the Prevention of Cruelty to Animals (ASPCA).

Even seemingly harmless bloomers like hyacinths, tulips, and lilies can pose a severe health risk to your dogs. Ingestion of any portion of these plants can result in various symptoms, ranging from nausea and vomiting to more severe conditions.

Be aware of the most popular plants poisonous to cats before you begin cultivating a flower garden or adding additional greenery indoors. Your familiarity with these plants will also make watching them easier while you are out for nighttime strolls with your dogs.

And if you are concerned that your cat may have nibbled on one or more hyacinth bulbs or consumed an ivy leaf, you will be aware that you need to seek immediate veterinary treatment.

Flower beds, balcony planters, and wall gardens are frequent places to find a variety of plants that are harmful to cats. They range from giving your cat just a little discomfort to becoming fatal.

The following is a list of several different kinds of plants that are harmful to cats and should be removed or kept fenced off to protect your pet.

1. Hyacinths



Hyacinths, which have a pleasant fragrance, are among the plants cultivated most frequently. They are simple to care for and produce brilliant flowers in the springtime that are various shades of purple, pink, red, and white. However, the bulbs and the blossoms of these springtime delights are exceedingly dangerous for cats to consume.

Houseplants known to be toxic to cats include hyacinths. Even the smell of hyacinths can cause discomfort to the nasal passages and make it difficult for animals to breathe if they are drawn to fragrant substances.

Caution is advised since ingesting any component of this plant may result in feelings of weakness, nausea, and vomiting. It is thus recommended that you stay away from these plants.

2. Tulips



The hyacinth and the tulip have many of the same physical qualities. Hyacinths and tulips are related, and they are delightful to the senses in both appearance and aroma. In addition, similar to hyacinths, tulips are among the most poisonous plants for cats, and other animals kept as pets.

Are Tulips Dangerous To Cats To Eat?

Although the leaves, stems, and petals of tulips also contain specific poisons, the bulbs of tulips are the most dangerous part of the plant. Because of this, it is unfortunately impossible to capture both a sweeping tulip flower bed and frisky kittens in the same photograph. Sorry!

3. Daffodils

The appearance of daffodils signals the beginning of spring. Simply taking in their beauty might inspire you to write poetry, much like Wordsworth did. However, the sight of your fluffy cats scurrying about among the daffodils should give you a reason to be concerned.

Daffodils are considered to be poisonous plants for canines. Although everything about a daffodil indicates that it is dangerous to cats and dogs, the bulbs of these poisonous plants for cats are hazardous.

Toxins are present in the form of tiny crystals in the outermost layer of the bulbs, and they have the potential to cause violent vomiting as well as diarrhea if consumed. Your pet may also be experiencing pain in the abdomen and difficulty breathing.

4. Ivy



Ivy that trails or creeps down the ground is an excellent way to transform dull walls into stunning works of art. In addition to that, you may use it to cover gazebos, trellises, and arches.

However, cats should avoid these gorgeous plants since they are poisonous. Poison ivy can induce a burning or itchy sensation in the mouth and other symptoms such as drooling, vomiting, and diarrhea.

If you suspect your pet may have consumed any portion of the plant, you should contact your veterinarian as soon as possible. Planting ivy in a location that your cat is unlikely to pay attention to can save you and your kitty from dealing with the stress and anxiety that comes with being in a situation like this.

5. Grape Vines

To answer your question, most animals, including cats, may die from eating this delicious summer fruit. Grapes pose a health risk when consumed in any amount, even in moderation. Cats should avoid grapevines at all costs.

Both acute renal failure and long-term urine problems can be brought on by contact with grape vines in dogs. You do not want them to be within reach of any dog or cat that may gnaw on them.

6. Lilies



Everyone's list of favorite flowers almost always includes lilies of some kind. And why on earth not? They are delightful to the senses in both appearance and aroma.

However, cats should avoid these plants because they are on the list of poisonous plants. They don't simply pique people's interest; even cats are interested in them.

Are Lilies Dangerous to Dogs to Eat?

Some types of lily can cause mild poisoning, while other types have the potential to produce severe symptoms such as tremors, convulsions, and even death.

Therefore, it is best to steer clear of these very toxic species of lilies, such as Asiatic, Day, Easter, Japanese Show, and Tiger Lilies, if you have any animals as pets in your house.

7. Marijuana Plant

Marijuana may be a plant that holds a great deal of potential in medicine. However, if consumed by pets, exceptionally tiny animals such as rabbits, cats, and guinea pigs, it can present some significant health problems.

Due to the increased availability of marijuana, the potential for it to cause harm to animals has increased. Ensure that your animals never contact the cannabis plant, cannabis powder, or any edible goods manufactured from cannabis, such as brownies or candies.

Poisoning can cause symptoms that range from mild to severe severity. Your cat may have issues with its neurological system, throw up, have diarrhea, have an elevated heart rate, or even go into a coma.

8. Chrysanthemums



Chrysanthemums are the only item that can make a fall landscape look as vibrant as it should. Their brightly colored, spectacular florets come in various colors, including red, yellow, and violet.

On the other hand, these bloomers are toxic because they contain pyrethrin, which causes discomfort in the digestive tract. Your four-legged pal may even start drooling, throwing up, and having diarrhea.

Ingestion of chrysanthemum plant components can, in the most severe circumstances, lead to feelings of despair and a lack of coordination. To put it another way, cats and parents are not a good combination.

9. Tomatoes

Who would have guessed that tomatoes contain poison? Not to people, of course, but to cats. When consumed by animals, tomato plants, particularly the stems and leaves, have the potential to inflict severe harm.

If you choose to cultivate any in your vegetable garden, you must ensure that your feline friends will not be able to access the area.

On the APCA's List of Toxic Plants, you can find tomatoes.

If your cat nibbles on ripe tomatoes, they won't experience any adverse effects, but the green sections of the plant can be exceedingly dangerous. You will likely have symptoms such as increased salivation, tiredness, disorientation, and weakness.

10. Deciduous Azalea

Deciduous Azalea

Deciduous Azalea

Do not let yourself be deceived by the azalea plant's brilliant, multicolored flowers. However, although these flowering shrubs can add beauty to your landscape, cats should avoid them at all costs since they are among the most dangerous plants.

There are more than 10,000 varieties of azaleas, each with a varying toxicity level. Poisoning from azalea begins to show symptoms within a few hours after the plant has been consumed.

Your cat may get lethargic, throw up, drool, and possibly shake violently. It is also possible to go into a coma and eventually pass away if the condition is severe enough.

11. Oleander

Oleander is a beautiful plant for the yard, but it may also be quite harmful. It produces enormous clusters of blooms throughout the summer in various colors, including red, pink, yellow, and white.

Because of this, your cats, known for being active and energetic, may want to play with the plant independently. Or, if they are bored, they can gnaw on them.

The largest concentration of poisons may be found in the stems and roots of the oleander plant. On the other hand, the flowers, leaves, and fruits are poisonous.

Cats and other animals that have been poisoned will exhibit symptoms such as wobbliness, tremors, and an irregular heart rhythm.

12. Sweet Pea

12. Sweet Pea

12. Sweet Pea

The sound of the word "sweet pea" conjures up images of innocence and beauty. Who would have thought to look it up and find it on the list of plants harmful to cats?

However, sweet peas are climbing legumes, whereas the peas you eat at home are pod-bearing peas. The two should not be confused; they produce beautiful blooms with an even more beautiful fragrance. But beware!

The fully developed seeds of the plant are highly poisonous. It is possible that if your cat consumes them, it will throw up or have diarrhea. In addition to such symptoms, you could also have tremors and seizures.

13. Cyclamen

The cyclamen, which looks like a shooting star and blooms in pink, white, and red colors, is pleasing to the eye. However, those who own cats should be wary of these dangerously attractive plants.

The tubers of the cyclamen plant are highly poisonous. Your cat can get drooling, vomiting, and diarrhea if it nibbles at them.

You should be aware that the plant's leaves and blossoms contain trace levels of the poison to your benefit.

14. Sago Palm

Sago Palm

Sago Palm

Sago palm should also be avoided by people who have cats as pets. Many gardeners have a soft spot in their hearts for this stunning houseplant, characterized by its fluffy leaves and tropical air. On the other hand, it is a lethal blow for cats.

The plant is toxic throughout its whole, and Cycasin is the name of the poison that can bring about liver failure in cats.

If your cat consumes even a minimal quantity of sago palm, they risk developing symptoms such as vomiting, bloody stools, diarrhea, and paralysis.

It is in your pet's best interest to remove any sago palms from your yard, inside, or other locations they may access.

15. Dieffenbachia



Dieffenbachia is not a murderer with a heart of stone. However, if your cat consumes this plant, it might cause you to have a sore and swollen mouth. Dieffenbachia plant is poisonous to cats kept as pets.

Dieffenbachia is an easy plant to identify thanks to the enormous, eye-catching leaves speckled with white. Your cats could play with them, paw at them, or gnaw on them.

Dieffenbachia poisoning can sometimes render persons momentarily unable to communicate verbally. It is a known side effect of the condition, which is the origin of the term "dumb cane."

16. Kalanchoe

. Kalanchoe

. Kalanchoe

It would not be complete without kalanchoe on our list of poisonous plants for cats. This ubiquitous houseplant, with its succulent leaves and clusters of brightly colored flowers, is highly hazardous to human health.

In the summer, the plant's toxicity levels seem to be at their highest. Toxins can cause various symptoms, including nausea, vomiting, and diarrhea.

Additionally, it may induce cardiac problems such as an irregular heart rhythm and collapse in highly unusual instances.

If you have a cat in the house, you should probably keep this typical houseplant to a minimum in your space.

17. Autumn Crocus

Crocuses that bloom in the autumn are known for adding a touch of enchantment to any fall flower garden. Their flowers, which are cup-shaped and gentle pink or purple, are a sight for sore eyes.

However, keeping a respectful distance from autumn crocus is best if you have a cat in the house, and cats can be poisonous.

If your kitty companion were to gnaw on its leaves, it would likely feel significant stomach upset.

18. Schefflera



Depending on the variety, this ubiquitous decorative plant is sometimes called an umbrella tree or StarLeaf. Its attractive foliage and low maintenance requirements are two of its most notable advantages.

Schefflera, is a potentially lethal plant. However, consuming Schefflera can cause an excruciating burning sensation in and around the mouth of cats. Your pet may also have trouble swallowing while throwing up and drooling.

19. Amaryllis

Have you made plans to decorate your home with some festive greenery this holiday season? You may avoid amaryllis.

The plant is stunning, with its stem pointing upward and brightly colored blooms fashioned like trumpets. Unfortuitously, this plant is among those that cats should avoid the most.

If cats consume any part of an amaryllis plant, including the stalks, blooms, leaves, or bulbs, they will have adverse health effects (and other pets). This can produce nausea, tremors, and even convulsions.

What's Better, Pets Or Plants?

What's Better, Pets Or Plants?

What's Better, Pets Or Plants?

How concerned should your cat and other pets be exposed to poisonous plants? In the end, a little bit of stress will help you keep your animals and plants safe from being eaten.

But it would help if you weren't too concerned about it because cats are typically very competent at caring for themselves. That is not to say, however, that you shouldn't try to lessen the number of harmful plants for cats that you have in your home or put them in a location that won't draw your pets to them.

Many plants are less than land-sirens for animals like cats and dogs drawn to bright colors and fragrant scents. They are poisonous and have the potential to make your pets very sick.

You are lucky since you do not have to pick one over the other; you can care for both plants and animals simultaneously. You can cultivate thriving flower beds where your four-legged pals can run and frolic at their leisure.

Blooming plants such as roses, sunflowers, marigolds, and orchids that are not only lovely but also safe for pets should be grown. And then you can kick back and watch your garden and your pets develop and protect them from Toxic Plants For Cats.

That brings us to the end of this particular post. If you still have questions, please post them in the comments below.

Have fun taking care of your plants and animals! 

Frequently Asked Questions

What kinds of plants are safe for pets to eat?

Several plants are safe for pets, including the ponytail palm, air plants, hibiscus, peperomia, Boston fern, spider plant, roses, and sunflowers. You should not be concerned about your dogs nibbling on a leaf or two if you want to cultivate them in your flower beds or within your living room. Read through our comprehensive list of plants that cats should stay away from to learn which ones to avoid (and other pets).

What kinds of herb plants can a dog safely eat?

Dogs stick their noses in places (and plants) where they shouldn't, incredibly when bored. It's a good thing there are a lot of different herb plants that dogs won't get sick from eating. Oregano, rosemary, peppermint, basil, and parsley are some of the herbs that fall under this category. So yes, herb gardening is dog friendly!

What kinds of plants in Australia should dogs avoid eating?

When you think of Australia, your mind probably conjures up images of various strange and witchy plants. However, dogs and other pets in Australia are at risk from the same plants, which causes concern for pet owners in other parts of the world. Daffodils, hydrangeas, hemlock, poinsettias, ivy, tomatoes, and oleanders are some of the plants in this category.

Which plants found outside are safe for dogs to eat?

Some plants in your yard are harmful to cats and dogs, but a good number are safe for them to eat. Dogs can safely interact with various houseplants, including African violets, air plants, friendship plants, moth orchids, parlor palms, Christmas cacti, and many others.