# Is Haworthia Succulent Toxic to Cats? Safety Facts Is haworthia succulent toxic to cats? No. Haworthia species, including the zebra plant, are listed as non-toxic to cats by the ASPCA Animal Poison Control Center [1][2]. That means no known poison is in the plant, so a nibble is not a poisoning emergency. The main risk is mechanical injury to your cat's mouth from chewing the firm, pointed leaves. This article is educational and is not a substitute for veterinary diagnosis or treatment. ## Quick Answer - Haworthia, including Haworthia fasciata (zebra plant), is classified as non-toxic to cats and dogs [1][2]. - There is no toxic principle in haworthia, so it does not cause poisoning in the way aloe or jade does [1]. - Chewing the leaves can still cause drooling, mouth discomfort, or minor stomach upset from the plant material itself. - If your cat ate haworthia and seems fine, watch it for a few hours. If it vomits, drools heavily, or acts unwell, call your veterinarian. - If you are unsure what plant your cat ate, call the ASPCA Animal Poison Control Center at (888) 426-4435 or Pet Poison Helpline at (855) 764-7661. ## Is Haworthia Succulent Toxic to Cats? Haworthia is not toxic to cats. The ASPCA lists Haworthia species as non-toxic to both dogs and cats, with no toxic principles [1]. The zebra haworthia, Haworthia fasciata, carries the same non-toxic listing for dogs, cats, and horses [2]. So if your cat chews a leaf, you are not dealing with a poison. That said, "non-toxic" does not mean "no effect." A cat that bites into a haworthia leaf can still get a mouthful of tough plant fiber. The leaves are firm and often have a pointed tip. A cat that chews hard can scrape its gums or tongue, or swallow a piece that irritates the stomach. This is a physical problem, not a poisoning problem. It also helps to know which plant you actually have. Many succulents look alike, and some common ones are genuinely toxic. If you are not sure of the species, treat the plant as unknown until you confirm it. Our guide to [plants toxic to cats](/knowledge/veterinary-medicine/toxicology-and-food-safety/plants-toxic-to-cats) can help you sort out the risky ones. ### Which Parts of the Plant Matter? All parts of a haworthia are considered non-toxic [1]. The leaves, the stem, and the roots do not contain a poison. The sap is not caustic in the way aloe latex can be. There is no flower or seed that carries a separate risk. The practical concern is the leaf. It is thick, firm, and sometimes spiny along the edge. A cat that gnaws on it can leave tooth marks and swallow small pieces. Those pieces pass through most cats without trouble, but they can cause a bout of vomiting or loose stool. ### Are Haworthia Products Safe? There are no haworthia products marketed for cats, and none are needed. If you see a haworthia extract in a pet supplement, that is not a standard veterinary product and its safety for cats is not established in veterinary research. Do not give your cat any plant extract or herbal product without asking your veterinarian first. ## The Toxic Principle and What It Does in the Body Haworthia has no toxic principle [1]. That is the plain fact from the poison control listing. There is no chemical in the plant that attacks the nervous system, the heart, the liver, or the kidneys. Compare that with succulents that do contain poisons. Aloe vera appears in the veterinary literature as a plant used in traditional pet remedies, and its latex contains anthraquinones that cause vomiting and diarrhea [3]. Jade plant is another common succulent that is toxic to cats. Indoor plant poisoning is a real and well-documented problem for pets that share our homes [4]. In one study of 166 cats treated for poisoning at a referral center, toxic plants accounted for about 12 percent of cases [5]. So plant poisonings do happen, and the plants involved are usually the ones with a known toxin. When a cat eats haworthia, the body treats it like any other plant material. The leaf is broken down in the stomach and intestines. Fiber and sap can irritate the stomach lining, which may lead to a single vomit or a soft stool. There is no toxin to absorb, so there is no antidote to give and no organ damage to watch for. ## Signs and Their Typical Timeline Because there is no toxin, most cats show no signs at all after chewing a haworthia. If signs do appear, they are usually mild and short lived. Watch for: - Drooling or lip smacking, often right after chewing - Pawing at the mouth - A small amount of vomiting, usually within a few hours - Soft stool or mild diarrhea over the next day - Refusing food for a meal or two These signs come from mouth irritation or from the plant material sitting in the stomach. They typically start within minutes to a few hours of eating and settle within a day. Signs that are not typical for haworthia include wobbliness, tremors, seizures, collapse, trouble breathing, or a racing heart. Those point to a different plant or another cause. If you see them, treat it as an emergency. ## What to Do Right Now If Your Cat Ate Haworthia Stay calm. If you are certain the plant is a haworthia and your cat seems normal, you can watch it at home for the next few hours. Offer water and its usual food. Do not punish the cat and do not move the plant in a way that scatters leaves it can reach. If your cat is drooling, vomiting, or uncomfortable, call your veterinarian. You can also call the ASPCA Animal Poison Control Center at (888) 426-4435 or Pet Poison Helpline at (855) 764-7661. Both services can help you decide whether the signs fit haworthia or something more serious. A consultation fee usually applies. Do not induce vomiting unless a veterinarian tells you to. Making a cat vomit at home can cause choking, aspiration, or injury to the esophagus. It is not a safe home remedy. If you do not know what plant your cat ate, keep a piece of the chewed leaf or a photo of the plant. That helps the veterinarian or the poison control team identify it. If you have several houseplants, our article on [what plants can be toxic to cats](/knowledge/veterinary-medicine/toxicology-and-food-safety/what-plants-can-be-toxic-to-cats) can help you check the rest of your collection. ## Veterinary Treatment for Haworthia Ingestion Most cats that eat haworthia need no treatment. If your cat is bright, alert, and eating, your veterinarian may simply ask you to monitor at home. If your cat has vomiting or mouth pain, the visit may include: - A full physical exam, including a careful look inside the mouth - Checking for cuts, swelling, or a lodged piece of leaf - Fluids under the skin or into a vein if your cat is dehydrated - A medication to settle nausea or stomach upset, dosed by your veterinarian based on your cat's weight and health - A bland diet for a day or two Blood work and X-rays are not routine for a known haworthia ingestion. They may be used if your cat has severe or lasting signs, or if the plant is not confirmed. If a piece of leaf is stuck in the mouth or throat, removal may be needed. There is no antidote for haworthia because there is no toxin [1]. Treatment is supportive and aimed at the signs. ## Outlook After Eating Haworthia The outlook is excellent. Cats that chew haworthia and have no signs need no follow-up. Cats with mild vomiting or mouth irritation usually recover within a day or two with simple care. The cats that do poorly after plant exposure are usually the ones that ate a plant with a real toxin. In the feline poisoning study, most cats were hospitalized and the survival rate was about 89 percent, which shows that even serious poisonings often end well with treatment [5]. For haworthia, the risk is far lower than that. ## Prevention and Safer Alternatives The simplest prevention is to put haworthia where your cat cannot reach it. A hanging planter, a high shelf, or a closed room works well. Cats can jump and climb, so "out of reach" needs to be truly out of reach. If your cat likes to chew plants, give it something safe to chew instead. Cat grass, a sturdy catnip plant, or a food puzzle can redirect the habit. Keep the haworthia in a pot with a saucer so fallen leaves do not end up as toys. If you want to add more plants, choose ones with a non-toxic listing. Our guide to [house plants toxic to cat](/knowledge/veterinary-medicine/toxicology-and-food-safety/house-plants-toxic-to-cat) covers the common culprits to avoid. You can also check [what plants are toxic to cats houseplants](/knowledge/veterinary-medicine/toxicology-and-food-safety/what-plants-are-toxic-to-cats-houseplants) before you buy. Keep in mind that many succulents sold next to haworthia are not safe. Aloe and jade are the two most common toxic succulents in American homes. If you cannot identify a plant with confidence, keep it away from your cat. ## Limitations and When to Contact a Veterinarian This article covers the general case. Your cat is an individual, and only your veterinarian can assess it. Contact your veterinarian the same day if: - Your cat vomits more than once or cannot keep water down - Drooling lasts more than an hour - Your cat refuses food for more than a day - You see blood in the mouth or in the stool - You are not sure what plant your cat ate Go to an emergency clinic now if: - Your cat is wobbly, trembling, or having a seizure - Your cat collapses or is hard to wake - Breathing is fast, noisy, or labored - The gums look pale, blue, or bright red - Your cat's heart rate feels very fast or very slow Schedule a routine visit if: - Your cat has a small mouth sore that is not healing - Mild stomach upset comes and goes over several days - You want help cat-proofing your home If you are unsure which category fits, call first. The poison control numbers above are staffed to help you make that call. ## Frequently Asked Questions ### Is zebra plant toxic to cats? No. The zebra haworthia, Haworthia fasciata, is listed as non-toxic to cats, dogs, and horses [2]. The name "zebra plant" is also used for other species, so confirm the scientific name on the tag. If your plant is a true Haworthia, it is not a poisoning risk. ### Are succulents toxic to cats in general? Some are and some are not. Haworthia is non-toxic, while aloe and jade are common toxic succulents. Because so many succulents look alike, identify each plant by its scientific name before you decide it is safe. When in doubt, keep it out of your cat's reach. ### My cat ate haworthia and is fine. Do I need to do anything? If your cat is acting normal, eating, and not drooling, you can watch it at home for a few hours. Offer water and its usual food. Call your veterinarian if any vomiting, drooling, or tiredness appears. There is no toxin in haworthia, so no antidote or decontamination is needed [1]. ### Can haworthia hurt my cat's mouth? Yes, it can cause a mechanical injury. The leaves are firm and can have sharp points or rough edges. A cat that chews hard can scrape its gums or tongue. Check the mouth if your cat drools or paws at its face, and call your veterinarian if you see a cut or swelling. ### What should I do if I am not sure which plant my cat ate? Call your veterinarian or a poison control service right away. Save a piece of the chewed leaf or take a clear photo of the plant. Do not wait for signs to appear if the plant could be a toxic species. Quick identification is the fastest way to get the right advice. ## Related Articles - [Plants Toxic To Cats](/knowledge/veterinary-medicine/toxicology-and-food-safety/plants-toxic-to-cats) - [What Plants Can Be Toxic To Cats](/knowledge/veterinary-medicine/toxicology-and-food-safety/what-plants-can-be-toxic-to-cats) - [Houseplants Toxic To Cats Reddit](/knowledge/veterinary-medicine/toxicology-and-food-safety/houseplants-toxic-to-cats-reddit) - [House Plants Toxic To Cat](/knowledge/veterinary-medicine/toxicology-and-food-safety/house-plants-toxic-to-cat) - [What Plants Are Toxic To Cats Houseplants](/knowledge/veterinary-medicine/toxicology-and-food-safety/what-plants-are-toxic-to-cats-houseplants) - [Non Toxic To Cats Houseplants](/knowledge/veterinary-medicine/toxicology-and-food-safety/non-toxic-to-cats-houseplants) - [Is Echeveria Succulent Toxic to Cats? Safety Facts](/knowledge/veterinary-medicine/toxicology-and-food-safety/echeveria-succulent-toxic-cats) - [Are Succulents Harmful to Cats? Gasteria and Crassula](/knowledge/veterinary-medicine/toxicology-and-food-safety/succulents-harmful-to-cats) - [Is Zebra Plant Toxic to Cats? Succulent Safety Explained](/knowledge/veterinary-medicine/toxicology-and-food-safety/zebra-plant-toxic-to-cats) ## References 1. [Toxic and Non-toxic Plants: Haworthia](https://www.aspca.org/pet-care/aspca-poison-control/toxic-and-non-toxic-plants/haworthia). ASPCA Animal Poison Control Center. 2. [Toxic and Non-toxic Plants: Zebra Haworthia](https://www.aspca.org/pet-care/aspca-poison-control/toxic-and-non-toxic-plants/zebra-haworthia). ASPCA Animal Poison Control Center. 3. [Ethnoveterinary medicines used to treat endoparasites and stomach problems in pigs and pets in British Columbia, Canada](https://pubmed.ncbi.nlm.nih.gov/17628343/). Veterinary parasitology, 2007. 4. [Indoor Companion Animal Poisoning by Plants in Europe](https://pubmed.ncbi.nlm.nih.gov/32851047/). Frontiers in veterinary science, 2020. 5. [A retrospective evaluation of confirmed and suspected poisonings in 166 cats between 2016 and 2020](https://pubmed.ncbi.nlm.nih.gov/37859962/). Veterinary world, 2023. ## Further Reading - [ASPCA Animal Poison Control Center](https://www.aspca.org/pet-care/animal-poison-control) - [ASPCA: People Foods to Avoid Feeding Your Pets](https://www.aspca.org/pet-care/aspca-poison-control/people-foods-avoid-feeding-your-pets) - [U.S. Food and Drug Administration: Potentially Dangerous Items for Your Pet](https://www.fda.gov/animal-veterinary/animal-health-literacy/potentially-dangerous-items-your-pet)