Is Kalanchoe Toxic to Dogs? Signs and What to Do

Name: Is Kalanchoe Toxic to Dogs? Signs and What to Do
Creator: Dr. Zubair Khalid

By Dr. Zubair Khalid, DVM, MS, PhD · 2026-10-03

Is Kalanchoe blossfeldiana toxic to dogs? Yes. Every part of the plant is considered toxic to dogs, and eating it can cause vomiting, diarrhea, and in rare cases an abnormal heart rhythm [1]. Kalanchoe is a popular gift plant, so it often ends up within reach of a curious dog.

This article is educational and is not a substitute for veterinary diagnosis or treatment.

Quick Answer

Kalanchoe (Kalanchoe spp.) is listed as toxic to dogs and cats, with the toxic principle identified as bufodienolides [1].
Vomiting and diarrhea are the usual signs. An abnormal heart rhythm is possible but rare [1].
All parts of the plant are a concern, including leaves, stems, and flowers, because the toxicity applies to the plant as a whole [1].
If your dog ate any part of a kalanchoe, call your veterinarian, the ASPCA Animal Poison Control Center at (888) 426-4435, or Pet Poison Helpline at (855) 764-7661 right away [1].
Do not make your dog vomit unless a veterinarian tells you to.

Is Kalanchoe Poisonous to Dogs?

Yes. The ASPCA Animal Poison Control Center lists Kalanchoe spp. as toxic to dogs and cats [1]. This is the same plant many people know as florist kalanchoe, mother-in-law plant, devil's backbone, chandelier plant, or mother of millions [1].

That list of common names matters. Kalanchoe is a genus, not a single species, and the plants sold under these names look quite different from one another. A flowering gift plant from the grocery store and a fuzzy-leaved succulent on a windowsill may both be kalanchoe.

Is Florist Kalanchoe Toxic to Dogs?

Yes. Florist kalanchoe is the blooming type most often sold as a gift, and it falls under Kalanchoe spp., which is listed as toxic to dogs [1]. The colorful flowers are the reason people buy it, and they are also the reason dogs notice it.

Is Kalanchoe Tomentosa Toxic to Dogs?

Kalanchoe tomentosa, often called panda plant, belongs to the same genus. The ASPCA toxicity listing covers Kalanchoe spp. as a group, so the same caution applies [1]. If you are unsure which kalanchoe you have, treat it as toxic.

Are Kalanchoe Flowers Toxic to Dogs?

Yes. The toxicity listing applies to the plant, and flowers are part of the plant [1]. A dog who only nibbles fallen blossoms is still exposed to the same toxic principle as a dog who chews a leaf.

Is Kalanchoe Safe for Dogs to Be Around?

The plant is safe to keep in a home with a dog only if the dog cannot reach it. Toxicity is about eating the plant, not about sharing a room with it. Place kalanchoe on a high shelf, in a closed room, or in a hanging planter well out of reach.

The Toxic Principle and What It Does

The toxic principle in kalanchoe is a group of compounds called bufodienolides [1]. These compounds are structurally related to substances that affect the heart, which explains why the plant can cause digestive upset and, in rare cases, heart rhythm changes [1].

Bufodienolides belong to a broader family of plant and animal compounds known as cardiac glycosides. They interfere with the sodium-potassium pump inside cells, and in heart muscle that interference can change how electrical signals travel. This is why a plant that mostly causes vomiting can occasionally cause a serious heart problem.

The dose matters, and so does the dog. A small dog who eats a whole plant is a different situation from a large dog who eats one leaf. Your veterinarian will weigh the amount eaten, the size of your dog, and your dog's health history when deciding how concerned to be.

Kalanchoe also appears in traditional medicine in some parts of the world, and laboratory work has looked at how extracts from related species affect liver enzymes that process drugs [2]. That research is about human drug metabolism, not about dogs eating houseplants, so it does not change the advice here. It does show that kalanchoe species contain biologically active compounds.

Signs of Kalanchoe Poisoning in Dogs

The most common signs are vomiting and diarrhea [1]. An abnormal heart rhythm is listed as a rare sign [1].

Signs usually show up within hours of eating the plant. Digestive signs tend to appear first because the stomach and intestines react quickly to an irritating plant. Heart rhythm changes, when they happen, may take longer to become obvious and often cannot be seen without an exam and an ECG.

Watch for:

Vomiting, with or without plant material in it
Diarrhea
Drooling or lip smacking
Loss of appetite
Low energy
Weakness, wobbliness, or collapse
A heart rate that feels very fast, very slow, or irregular

Some of these signs are vague. A dog who vomits once after chewing a leaf may look fine an hour later. A dog who eats a large amount may keep vomiting and become dehydrated. If you did not see your dog eat the plant, a chewed stem or missing leaves are your best clues.

Plant poisonings in animals often start with stomach upset, and that pattern shows up across many toxic plants, not only kalanchoe [3]. Vomiting after plant exposure is a reason to call, even when your dog seems otherwise normal.

What to Do Right Now

Call for guidance before you do anything else. Your options are your own veterinarian, an emergency veterinary hospital, the ASPCA Animal Poison Control Center at (888) 426-4435, or Pet Poison Helpline at (855) 764-7661 [1].

Have this information ready:

Your dog's weight and age
Which plant you think was eaten, and how much
When it happened
What signs you have seen

Do not induce vomiting unless a veterinarian tells you to. Making a dog vomit at home can cause harm, and it is the wrong move for some exposures. Let a professional decide.

If plant material is still in your dog's mouth, you can gently wipe the mouth with a damp cloth and remove any pieces you can see easily. Do not reach into the back of the throat with your fingers.

Save a piece of the plant, or take a photo of it. Identification helps the veterinarian and the poison control team give you the right advice. If you have other plants in the house, take a look at Plants Poisonous To Dogs to see what else needs to move out of reach.

If your dog ate something outdoors and you are not sure what it was, My Dog Ate a Mushroom: How to Tell If It's Toxic walks through the same steps for a different kind of exposure.

Veterinary Treatment for Kalanchoe Poisoning

Treatment depends on what your dog ate and how your dog looks. There is no home antidote.

Your veterinarian will start with a physical exam and questions about the exposure. If the plant was eaten recently, the veterinarian may induce vomiting in the clinic and give activated charcoal to limit further absorption. That decision is made case by case, because it is not safe for every dog.

Supportive care is the mainstay. That often means intravenous fluids for hydration, medication to control vomiting, and a bland diet once the stomach settles. Blood work may be checked to look at electrolytes and organ values.

If heart rhythm changes are suspected, your veterinarian may recommend an ECG and monitoring. The dose of any medication is calculated from your dog's weight and health, so there is no number you can apply at home.

Outlook for Dogs Who Eat Kalanchoe

Most dogs who eat a small amount and receive prompt care do well. Vomiting and diarrhea are treatable, and the rare heart rhythm problem is manageable when it is caught early [1].

The dogs at higher risk are small dogs, dogs who ate a large amount, dogs with existing heart disease, and dogs whose signs are not treated. Waiting to see if things improve on their own is the main thing that turns a mild case into a serious one.

Prevention and Safer Alternatives

The simplest fix is placement. Keep kalanchoe on a high shelf, in a room your dog cannot enter, or in a hanging basket. Fallen leaves and flowers count, so pick them up promptly.

Training helps too. A reliable "leave it" cue gives you a tool when your dog noses toward a plant on a walk or at a friend's house. Gift plants are a common source of exposure because they arrive without a plan for where they will live. Decide where the plant goes before you set it down.

If you want a flowering plant that is not a known dog toxin, ask your veterinarian or a poison control specialist for suggestions, and check any plant against a reliable toxic plant list before you bring it home [1].

Other household hazards deserve the same attention. Foods are a frequent cause of calls, and Can Dogs Eat Avocado? Persin Poisoning & Fat Risks covers one that surprises many owners.

Limitations and When to Contact a Veterinarian

This article cannot tell you how your dog will respond. Individual cases need a veterinarian who can examine your dog, ask about the exposure, and decide on testing and treatment.

Call an emergency clinic right now if your dog is collapsing, struggling to breathe, having a seizure, has a heart rate that feels very fast or very slow, or cannot stand.

Call the same day if your dog vomited, has diarrhea, is drooling, has lost appetite, or seems dull, even if your dog looks better than you expected. Early calls are cheap and easy. Late calls are not.

Call your veterinarian for a routine visit if you are not sure whether your dog ate the plant, or if you want help choosing safer plants for your home.

If you are dealing with a different kind of exposure and want to know whether it needs a same-day call, My Dog Ate a Slug or Snail: Should I Worry About Lungworm? uses the same decision framework.

Frequently Asked Questions

How much kalanchoe does a dog have to eat to get sick?

There is no published threshold that applies to every dog. The ASPCA lists the plant as toxic without giving a dose, and the amount that causes signs varies with the dog's size and the part eaten [1]. Call poison control or your veterinarian with the details and let them assess the risk.

Will my dog be okay after eating one kalanchoe leaf?

Many dogs are fine with supportive care, but one leaf can still cause vomiting and diarrhea, and heart rhythm changes are possible though rare [1]. Because you cannot predict which dog will have the rare reaction, a call to your veterinarian or poison control is the right first step.

Can I just watch my dog at home instead of calling?

You can watch your dog, but you should also call. Signs can progress, and the rare heart rhythm problem may not be visible to you at home [1]. A phone call costs you a few minutes and gives you a plan for what to watch and when to come in.

Are all kalanchoe species toxic to dogs?

The ASPCA toxicity listing covers Kalanchoe spp. as a group, which includes the common ornamental species sold as houseplants and gift plants [1]. Treat any kalanchoe as toxic unless a veterinarian or poison control tells you otherwise.

What plants are safe to keep around a dog?

Safe plant choices vary, and no single list covers every situation. Check any plant against a veterinary toxic plant resource before bringing it home, and ask your veterinarian for suggestions that fit your dog [1]. Keeping all plants out of reach is a reasonable default.

References

Toxic and Non-toxic Plants: Kalanchoe. ASPCA Animal Poison Control Center.
In Vitro Evaluation of Reversible and Time-Dependent Inhibitory Effects of Kalanchoe crenata on CYP2C19 and CYP3A4 Activities. Drug metabolism letters, 2015.
Grayanotoxin poisoning in animals following the ingestion of Ericaceae plants. Veterinary journal (London, England : 1997), 2026.