# Is Pilea Involucrata Toxic to Cats? What to Know Is pilea involucrata toxic to cats? Based on the best available veterinary plant data, the friendship plant is considered non-toxic to cats. That means it does not contain a known poison that would harm your cat if she chews on it. Still, a nibbled leaf can cause mild stomach upset in some cats, so it helps to know what to watch for and what to do. This article is educational and is not a substitute for veterinary diagnosis or treatment. ## Quick Answer - Pilea involucrata, often called the friendship plant, is not listed as toxic to cats by major veterinary plant references [1]. - The ASPCA classifies related Pilea species, including creeping pilea, as non-toxic to cats, dogs, and horses [1]. - Eating plant material can still cause drooling, vomiting, or diarrhea from simple irritation, even when the plant is not poisonous. - If your cat nibbles a leaf, wipe her mouth, offer water, and watch her for a few hours. - Call your veterinarian, the ASPCA Animal Poison Control Center at (888) 426-4435, or Pet Poison Helpline at (855) 764-7661 if signs appear or you are unsure what plant she ate. ## Is Pilea Involucrata Toxic to Cats? No. Pilea involucrata is generally regarded as non-toxic to cats. The ASPCA's toxic and non-toxic plant database lists creeping pilea (Pilea nummulariifolia) as non-toxic to dogs, cats, and horses [1]. Pilea involucrata belongs to the same plant family, Urticaceae, and shares the same general reputation for safety around pets. This matters because cat owners often search for "friendship plant toxic to cats" after catching their cat chewing a leaf. The friendship plant is a common houseplant with textured, oval leaves and a trailing or bushy growth habit. It is popular because it is easy to grow and easy to propagate from cuttings. Pilea involucrata cat safety is not the same as "cat-proof." A non-toxic plant can still cause stomach upset if a cat eats a lot of it. Plant leaves contain fiber, oils, and other compounds that a cat's digestive system is not designed to handle. So the answer is reassuring, but it is not a free pass to let your cat graze freely. If you are building a collection of cat-safe houseplants, it helps to know which plants are truly dangerous. Our guide to [What Plants Can Be Toxic To Cats](/knowledge/veterinary-medicine/toxicology-and-food-safety/what-plants-can-be-toxic-to-cats) covers the common offenders, and [What Plants Are Toxic To Cats Indoor](/knowledge/veterinary-medicine/toxicology-and-food-safety/what-plants-are-toxic-to-cats-indoor) focuses on the ones most likely to be sitting on your windowsill. ### Which Parts of the Plant Are Involved? The leaves and stems are the parts a cat is most likely to chew. There is no known toxic principle in Pilea involucrata, so no specific plant part is considered poisonous [1]. The roots are usually buried in soil and are less likely to be eaten, but they are not reported as toxic either. ### What About Plant Food, Fertilizer, and Pesticides? The plant itself is not the only thing to consider. Fertilizer spikes, liquid plant food, systemic insecticides, and pest sprays can be far more dangerous to a cat than the plant. If your cat chews a leaf from a plant that was recently treated, the product on the leaf may be the real concern. Keep all garden chemicals stored out of reach, and check the label before you assume a nibbled leaf is harmless. ## The Toxic Principle and What It Does in the Body There is no established toxic principle in Pilea involucrata. That is the main reason it is classified as non-toxic [1]. Without a toxin, there is no specific organ damage to expect from the plant itself. When a cat eats a non-toxic plant, the effects are usually mechanical and digestive. The leaf fiber can irritate the stomach lining. Some cats vomit shortly after eating plant material simply because their stomach rejects it. Others pass it through and have soft stool for a day. For comparison, some plants contain calcium oxalate crystals that cause intense mouth pain and swelling. Others contain compounds that damage the kidneys or heart. Pilea involucrata does not fall into those categories [1]. That difference is why the friendship plant is a much lower concern than plants like lilies, sago palms, or oleander. It is also worth knowing that calcium oxalate is a mineral that can appear in cat urine and form stones for reasons unrelated to houseplants. Veterinary research has looked at urine metabolomic changes in cats with renal disease or calcium oxalate uroliths, and at how urinary tract infections relate to different stone types [2][3]. These are internal medical conditions, not plant poisonings. If your cat has a history of urinary stones, that is a separate issue to discuss with your veterinarian. ## Pilea Chewing Cat Symptoms to Watch For Most cats that chew a friendship plant have no signs at all. When signs do appear, they are usually mild and short lived. Watch for: - Drooling or lip smacking - Vomiting, especially right after chewing the plant - Soft stool or diarrhea - Reduced appetite for a meal or two - Hiding or acting slightly off These signs are not specific to Pilea. They can happen after a cat eats any plant material, or for many other reasons. If your cat has repeated vomiting, blood in the vomit or stool, a swollen or painful belly, or seems weak, that is no longer a simple plant nibble and needs veterinary attention. ### How Soon Do Signs Show Up? Signs from eating plant material usually show up within minutes to a few hours. If your cat chewed a leaf and is acting completely normal several hours later, the risk of a serious problem from this plant is low. Keep watching for the rest of the day, since some cats have a delayed stomach reaction. ### When It Might Not Be the Plant If your cat is vomiting, drooling, or acting sick and you did not see her eat the plant, do not assume the plant is the cause. Cats can get into antifreeze, human medications, cleaning products, and other toxins. A forensic veterinary case report described a free-roaming cat that died from ethylene glycol poisoning, with calcium oxalate crystals found in the kidneys at necropsy [4]. That case involved antifreeze, not a houseplant, but it shows how serious a poisoning can look like a routine stomach upset at first. When in doubt, call a poison control line or your veterinarian. ## What to Do Right Now If Your Cat Nibbled the Plant Stay calm and take these steps in order. 1. Move the plant out of reach and take a photo of it. A clear photo helps your veterinarian or poison control identify the plant. 2. Check your cat's mouth. Look for leaves, stems, or soil stuck between the teeth or under the lips. Wipe the mouth with a damp cloth if there is plant debris. 3. Offer fresh water. Let her drink if she wants to. 4. Do not induce vomiting unless a veterinarian tells you to. Making a cat vomit at home can cause choking, aspiration, or other harm. 5. Call for advice if you are unsure. You can reach the ASPCA Animal Poison Control Center at (888) 426-4435 or Pet Poison Helpline at (855) 764-7661. Both may charge a consultation fee. Your own veterinarian is also a good first call. 6. Watch for the signs listed above for the next several hours. If your cat has no signs and the plant is confirmed as Pilea involucrata, most owners can simply monitor at home. If you cannot confirm the plant's identity, treat it as unknown and call for guidance. ## Veterinary Treatment for Plant Ingestion Treatment depends on what your cat ate and how she is acting. For a confirmed friendship plant nibble with mild signs, your veterinarian may recommend supportive care at home, such as a bland diet and monitoring. If your cat is vomiting repeatedly or seems uncomfortable, your veterinarian may examine her, check her hydration, and run basic blood work. Treatment for mild plant-related stomach upset often includes fluids, anti-nausea medication, and a stomach protectant. The exact medication and dose are chosen by your veterinarian based on your cat's weight and health. No home dose should be guessed. If there is any question about which plant was eaten, or if your cat ate a plant known to be toxic, treatment can include decontamination, activated charcoal, intravenous fluids, and monitoring of kidney and liver values. Those steps are decided case by case. ## Outlook for a Cat That Ate Pilea Involucrata The outlook is generally excellent. Since Pilea involucrata is not considered toxic, most cats recover fully with no treatment or with simple supportive care [1]. Mild vomiting or diarrhea usually settles within a day. The outlook changes if the plant was misidentified or if another toxin was involved. That is why confirming the plant and watching your cat closely matters more than the name on the label. ## Prevention and Safer Alternatives The simplest prevention is placement. Put the friendship plant on a shelf, in a hanging basket, or in a room your cat cannot reach. Cats can jump and climb, so a high shelf is not always enough. A closed cabinet with a grow light, a hanging planter away from furniture, or a glass terrarium can keep plants and cats separate. Give your cat her own safe greens. Cat grass (usually wheat, oat, or barley grass) gives her something to chew that is meant for her. It also reduces the odds she will sample your houseplants out of boredom. Rotate or remove plants your cat keeps attacking. If one plant is a constant target, it may be easier to rehome it than to fight the behavior. If you want to add more plants, choose from known cat-safe options. Our articles on [Flowers That Are Toxic To Cats](/knowledge/veterinary-medicine/toxicology-and-food-safety/flowers-that-are-toxic-to-cats) and [What Flowers Are Toxic To Cats](/knowledge/veterinary-medicine/toxicology-and-food-safety/what-flowers-are-toxic-to-cats) explain which blooms to avoid, and [Are Orchids Toxic To Cats](/knowledge/veterinary-medicine/toxicology-and-food-safety/are-orchids-toxic-to-cats) covers a popular alternative that many cat owners ask about. ## Limitations and When to Contact a Veterinarian Plant toxicity lists are useful, but they are not a diagnosis. A plant can be non-toxic and still cause a stomach ache, and a plant can be misidentified. Individual cases need a veterinarian who can examine your cat and ask the right questions. Contact your veterinarian the same day if your cat: - Vomits more than once or vomits for more than a few hours - Has diarrhea that does not improve - Refuses food or water - Seems painful when you touch her belly - Is drooling heavily or pawing at her mouth Go to an emergency clinic now if your cat: - Collapses, has a seizure, or has trouble breathing - Has blood in her vomit or stool - Is unable to stand or seems weak - Was exposed to a plant you cannot identify or a known toxic plant Schedule a routine visit if your cat keeps eating plants, has repeated mild stomach upset, or if you want help cat-proofing your home. ## Frequently Asked Questions ### Is the friendship plant toxic to cats? No, the friendship plant is considered non-toxic to cats. Pilea involucrata is not known to contain a poison that harms cats, and related Pilea species are listed as non-toxic by veterinary plant references [1]. A cat that eats a leaf may still have mild stomach upset from the plant material itself. ### Will my cat get sick from chewing a Pilea leaf? Most cats do not get sick from a single nibble. Some cats drool, vomit, or have soft stool because plant fiber irritates the stomach. If your cat vomits repeatedly, stops eating, or seems painful, call your veterinarian. ### Should I make my cat vomit after she eats a houseplant? No. Do not induce vomiting unless a veterinarian tells you to. Home vomiting attempts can cause choking or other problems. Call your veterinarian, the ASPCA Animal Poison Control Center at (888) 426-4435, or Pet Poison Helpline at (855) 764-7661 for guidance first. ### How long do symptoms last after a cat eats a non-toxic plant? Mild signs usually settle within a few hours to a day. If vomiting or diarrhea lasts longer than a day, or if your cat seems weak or refuses food, she needs to be seen. Long-lasting signs suggest something more than a simple plant nibble. ### Are there other Pilea species I should worry about? The ASPCA lists creeping pilea (Pilea nummulariifolia) as non-toxic to cats, dogs, and horses [1]. Other Pilea species are generally treated the same way, but plant identification can be tricky. If you are not sure what plant your cat ate, call for advice instead of guessing. ## Related Articles - [What Plants Can Be Toxic To Cats](/knowledge/veterinary-medicine/toxicology-and-food-safety/what-plants-can-be-toxic-to-cats) - [What Plants Are Toxic To Cats Indoor](/knowledge/veterinary-medicine/toxicology-and-food-safety/what-plants-are-toxic-to-cats-indoor) - [Flowers That Are Toxic To Cats](/knowledge/veterinary-medicine/toxicology-and-food-safety/flowers-that-are-toxic-to-cats) - [Are Orchids Toxic To Cats](/knowledge/veterinary-medicine/toxicology-and-food-safety/are-orchids-toxic-to-cats) - [What Flowers Are Toxic To Cats](/knowledge/veterinary-medicine/toxicology-and-food-safety/what-flowers-are-toxic-to-cats) - [What Plants Are Toxic To Cats With Pictures](/knowledge/veterinary-medicine/toxicology-and-food-safety/what-plants-are-toxic-to-cats-with-pictures) - [Is Bronze Pilea Toxic to Cats? Safety Guide](/knowledge/veterinary-medicine/toxicology-and-food-safety/bronze-pilea-toxic-cats) - [Is Creeping Pilea (Norfolk) Toxic to Cats? Vet Answer](/knowledge/veterinary-medicine/toxicology-and-food-safety/creeping-pilea-norfolk-toxic-cats) - [Is Pilea Cadierei Toxic to Cats? Vet Safety Facts](/knowledge/veterinary-medicine/toxicology-and-food-safety/pilea-cadierei-toxic-cats) ## References 1. [Toxic and Non-toxic Plants: Creeping Pilea](https://www.aspca.org/pet-care/aspca-poison-control/toxic-and-non-toxic-plants/creeping-pilea). ASPCA Animal Poison Control Center. 2. [Urine metabolomic changes in cats with renal disease or calcium oxalate uroliths](https://pubmed.ncbi.nlm.nih.gov/40824970/). PloS one, 2025. 3. [Association between uropathogens and the occurrence of magnesium ammonium phosphate and calcium oxalate in cats with urolithiasis: a retrospective study (2016-2021)](https://pubmed.ncbi.nlm.nih.gov/40183495/). Journal of feline medicine and surgery, 2025. 4. [Ethylene glycol poisoning in a free-roaming cat associated with suspected animal cruelty: a forensic veterinary case report in South Korea](https://pubmed.ncbi.nlm.nih.gov/42221951/). Frontiers in veterinary science, 2026. ## 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)