Get

In Your Inbox

Catster is reader-supported. When you buy via links on our site, we may earn an affiliate commission at no cost to you. Learn more.

Are Begonias Poisonous to Cats? Vet-Verified Facts, Risks & Safety Guide

Share

Catster_Are Begonias Poisonous to Cats

Begonias are flowering plants that many homeowners grow in their flowerbeds and in large pots due to their colorful blooms. If you’re a cat owner who loves begonia plants, you should know that begonias are poisonous to cats if consumed.

divider 2 cats

What Begonia Poisoning Looks Like in Cats

The good news is that begonia poisoning is not usually life-threatening. However, if your cat nibbles on some begonias and has any of the symptoms below, contact your veterinarian right away.

  • Excessive salivation
  • Redness around the mouth or oral sores
  • Excessive licking of the lips
  • Vomiting
  • Difficulty swallowing
  • Disinterest in food and water

There is a toxic substance in begonia plants called oxalate that breaks down into oxalic acid when ingested. The roots of the begonia plant contain the highest amount of oxalate, which means your cat may not get sick if they eat a few leaves or flowers.

If your cat consumes some begonia roots, they will likely salivate a lot and vomit to get rid of the irritating substance. If the toxin makes its way into your cat’s bloodstream, it can then go to the liver and cause serious illness and liver failure.

If you are concerned about the health and well-being of your pet, seek veterinary advice for the best course of action.

If you need to speak with a vet but can't get to one, head over to PangoVet. It's an online service where you can talk to a vet online and get the advice you need for your pet — all at an affordable price!

PangoVet_Mention-in-Content for PangoVet2 save money

divider 1 paws

What to Expect From the Vet

If you take your cat to the veterinarian for treatment of begonia poisoning, your vet will perform a physical examination and run some blood tests.

In most cases, begonia poisoning in cats is relatively mild and clears in about 2 days. Your vet may recommend giving your cat a mild diet for a few days to ensure any irritation or swelling of the animal’s throat or digestive system is gone.

If your cat has refused water, they may also treat them for dehydration, which involves injecting fluids into your cat’s body so the organs continue working as they should. This is usually done through a needle that goes directly into the cat’s veins.

cat on the table being checked by a vet
Image Credit: brodtcast, Shutterstock

divider 2 cats

Other Common Houseplants Poisonous to Cats

As natural carnivores, cats mainly eat meat. They’re not attracted to plants, although they do love cat grass and catnip. As curious creatures, cats will nibble on houseplants now and then.

If your cat enjoys chewing on plants, it’s a good idea to steer clear of keeping plants in your home that can be toxic if consumed. The following common houseplants are toxic to cats.

Mums

red chrysanthemums flowers in the garden
Image Credit: Yoksel 🌿 Zok, Unsplash

Mums, or chrysanthemums, are mildly poisonous to cats. These plants with vibrant flowers contain a substance called pyrethrin that can cause a loss of appetite, diarrhea, and vomiting if ingested.


Hyacinths

potted Blooming hyacinths
Image Credit: Sabine Schoenfeld, Shutterstock

The gorgeous and fragrant hyacinth plant produces purple, pink, white, yellow, blue, red, and lavender flowers that can be toxic to cats if ingested or inhaled. Signs of hyacinth poisoning to watch for include lethargy, decreased appetite, vomiting, diarrhea, tremors, and breathing difficulties.


Hydrangeas

blue hydrangea flowers
Image Credit: Tunatura, Shutterstock

The popular hydrangea plant is sold at many flower and grocery stores and produces large, pretty flowers in a variety of colors. This is another poisonous plant to cats that contains toxins in its flowers and leaves. Symptoms to watch for include lethargy, exhaustion, diarrhea, and vomiting.


Irises

close up purple iris flower
Image Credit: Jacques GAIMARD, Pixabay

The stunning iris plant is a popular plant that grows flowers in a plethora of colors. All parts of this plant can cause issues for a cat that consumes it.

The symptoms of iris poisoning can vary, depending on how much of the plant your cat has consumed. Even though the symptoms are not life-threatening, they can be uncomfortable for your cat to endure. Signs to watch for include nausea, vomiting, diarrhea, skin irritation, and mouth ulcers.


Lily of the Valley

lily of the valley on a small vase
Image Credit: Mari Loli, Pixabay

You wouldn’t think the dainty and petite lily of the valley plant is poisonous to cats, but it is. All parts of this perennial are poisonous, including the bulb, roots, stems, leaves, and flowers. Every part contains toxins that can irritate a cat’s gastrointestinal tract and disrupt the normal activity of the heart.

If your cat eats a lot of this plant, they can get diarrhea, vomiting, have blood in their stool, and suffer from abdominal pain.


Bird of Paradise

close up birds of paradise plant
Image Credit: Roy Clarke, Pixabay

The stunning and exotic-looking bird of paradise plant is mildly toxic to cats. If you have some of these plants at home, try to keep your cat away from them. If your cat does eat some of the plant’s flowers or seeds, they could develop labored breathing, digestive issues, and eye discharge.

divider 3 paws

Tips for Keeping Your Cat Safe

If you have some toxic plants in your house with your cat, you have a few choices for keeping them safe. The most obvious solution would be to get rid of the toxic plants. However, if you want to keep a plant around that isn’t terribly toxic, like the bird of paradise plant, sprinkle some cayenne pepper around the leaves to deter them.

Another way to keep your cat away from your plants is to use cat-repellent spray. Just spray some of this product onto the plant’s pot or the tabletop it sits on, and your cat will stay away.

Since cats don’t like the smell of citrus, you can deter them by placing orange and lemon peels in your pots. Another great idea is to cover the soil with some stones, so your cat isn’t tempted to dig.

If you have several plants you want to keep away from your cat, put the plants in a room and shut the door to keep your cat out. A sunroom would be perfect for this, but a sunny bedroom or bathroom will work too.

You can grow some cat grass to provide your cat with a plant of his own. If you choose to do this, be sure to place the containers of cat grass away from your houseplants so that your cat isn’t tempted to bother them.

cat inside the house peeking at the window
Image Credit: Matthias Böckel, Pixabay

divider 2 cats

Conclusion

Even though cats are carnivores that eat mostly meat, they do enjoy nibbling on plants from time to time. Begonias are poisonous to cats, as are several other common houseplants.

The best way to keep your cat safe is to get rid of any poisonous plants you have around the house. Otherwise, make it difficult for your cat to get near those plants by using a cat deterrent spray, citrus peels, or another proven method for deterring cats.


Featured Image Credit: _Alicja_, Pixabay

Want content like this delivered to you?

Sign Up For Our Newsletter

News, insights, expert advice, and everything cat

* By submitting, you agree to our Terms & Conditions and Privacy & Cookies Policy.




How useful was this post?

Click on a star to rate (you can leave written feedback after clicking submit)

Help us improve Catster for pet parents!

Your feedback really matters.

What did you like about this post? Also how can we improve it?

Join the conversation

Leave a Reply

You’re very welcome to leave a comment or question. Please know that all comments must meet our community guidelines, and your email address will NOT be published. Let’s have a positive and constructive conversation.


Catster's Digital Magazine is Back!

Vet-approved health & behavior advice

Real cat stories & community features

Chatting About the Rainbow Bridge, Euthanasia, and Laughter During Grief | Chatty Cattys, Episode 24

If you’ve ever felt the loss of a beloved cat, or are dreading the day when your pet crosses the rainbow bridge, you’ll...

The Simple Reasons Cats Refuse to Let Anyone Use the Bathroom Alone

Cats have an extraordinary talent for making themselves present in the most inconvenient places, and the bathroom ranks near the top of the...

A Paw-sitive Milestone: Canada Officially Becomes a Declaw-Free Nation

Canada has officially become a declaw-free nation. On May 25, 2026, a new regulation was filed in Ontario under the Provincial Animal Welfare...

The Surprisingly Simple Ways to Help a Cat With Hairballs

Cats spend an astonishing amount of time grooming. It is part hygiene routine, part comfort ritual, and part instinct that traces back generations....

More related

Are Ragdoll Cats Smarter than the Average Cat? Vet-Verified Facts & Info

A cat’s intelligence is measured by several factors, including its problem-solving skills and memory. While a Ragdoll can be quite an aloof cat,...

How Soon Can I Get My Cat Spayed After Having Kittens? Vet Approved Recommendations

You might have heard it is the best practice to get your cat spayed as a kitten, but we all know that doesn’t...

Blocked Tear Duct in Cats (Epiphora): Our Vet Explains Causes, Diagnosis & Treatment

Does your cat have tears running down its face? No, your kitty isn’t crying, but it could have a blocked tear duct that...

8 DIY Christmas Sweaters for Cats To Make Today (With Pictures)

Christmas is a time for festive decorations and thoughtful giving amongst friends and family, perhaps even to those you don’t know through charitable...

Keep reading

Is It True That All Cats Have Eyebrow Whiskers? Vet-Verified Facts & FAQ

One of the most distinct facial features of a cat would be the whiskers. While the most prominent whiskers on a cat are above the upper lip, they have them in several locations, including the eyebrows. Different cats have varying...

Anatolian cat face close up

Cat Asthma: Vet Reviewed Signs, Life Expectancy, & Treatment

Asthma isn’t just a human disease; it can affect our pets too. In fact, it affects between 1% and 5% of cats. It’s a chronic but treatable breathing condition that causes inflammation and reactive constriction of the airways. While it’s...

tabby cat sneezing

Why Do People Hate Cats? What Science Tells Us (Vet-Reviewed)

Cat lovers think that their favorite animals can generally do no wrong. People who adore felines often find them loving, attentive, playful, and adaptable. They love cats’ independence and sweet companionship and feel honored that such self-sufficient and intelligent creatures...

red flame point siamese in the grass

Why Does My Cat Eat So Fast? Vet-Approved Feline Facts & FAQ

Do you ever watch your cat scarf down their food and wonder why they eat so fast? There might be a reason for their speedy eating habits—cats are hardwired to eat quickly to protect their food from predators. In the...

maine coon cat eating

Why Do Cats Hiss and Growl at Strangers? Vet-Reviewed Behavior Insights

Hissing and growling are ways cats communicate how they’re feeling. Hearing your cat hiss and growl can be shocking and a bit embarrassing if they’re doing it when you have house guests. Some cats may hiss and growl at strangers...

siamese cat hissing

When to Euthanize a Cat With Liver Failure: Vet-Reviewed Advice

If you’re considering when the right time is to say goodbye to your cat if they are in liver failure, you are not alone. Knowing when to say goodbye is a heartbreaking decision for any owner, and it can be...

woman brought her cat to the vet

Why Does My Cat Cry When I Leave? Vet-Verified Reasons & Solutions

While cats are often considered not to be terribly interested in people, they’re actually sensitive, loving creatures that become deeply attached to those they share their lives with. Companion cats develop bonds with their people that resemble those formed between...

Cat meowing

Can Cats Eat Popsicles? Vet-Reviewed Facts & FAQ

Most cats do not show a lot of interest in food other than the stuff that we owners put in their bowls. Therefore, we don’t typically have to worry about what human foods may or may not be healthy for...

Can Cats Eat Popsicles

Love Cats? So Do We! Join the Catster Community

Stay informed with expert pet care insights delivered straight to your inbox! Discover professional guidance on animal behavior, feeding tips, trusted product picks, and much more.




Sign up for the Catster Email Newsletter

Stay informed with expert pet care insights delivered straight to your inbox! Discover professional guidance on animal behavior, feeding tips, trusted product picks, and much more.