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A-Z List of Houseplants That Are Poisonous to Your Cats

Updated on May 24, 2019

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Cindy Lawson more

There are many plants you may bring into your home without realising that they are poisonous to cats. Not all of them will prove fatal if eaten or chewed, but some most definitely can kill your much loved cat. Never assume a cat will instinctively try not to eat a poisonous plant, as all too often cats end up being rushed to the vet suffering from poisoning as a result of chewing on or eating poisonous houseplants. Those of you who read my article about the dangers of Lilies to your cats will know what I am talking about here.

In this article I hope to list most of the more common houseplants that are dangerous to cats so that you can either ensure you don't bring them into your home or keep them out of the reach of your pets. I am guessing that many of the plants on this list will come as quite a surprise to you.

Aloe Vera

Amaryllis

Arum Lily

Asian Lily

Asparagus Fern

Azalea

Aloe Vera. This is toxic to both cats and dogs. The signs to look out for are vomiting, depression, diarrhea, anorexia, tremors and change in urine color.

Amaryllis. (Common names include Belladonna lily, Saint Joseph lily, Cape Belladonna and Naked Lady). Toxic to both cats and dogs. The signs to look out for are vomiting, depression, diarrhea, abdominal pain, hypersalivation, anorexia, tremors.

Arum Lily. (Common names include Calla Lily, Pig Lily, White Arum, Trumpet Lily, Florist's Calla, Garden Calla). Toxic to both cats and dogs. The signs to watch out for are oral irritation, intense burning and irritation of mouth, tongue and lips, excessive drooling, vomiting and difficulty swallowing.

Asian Lily. (Common name Asiatic Lily). Toxic to cats. Symptoms of poisoning are vomiting, inappetence, lethargy, kidney failure, and death is possible.

Asparagus Fern. (Common names include Asparagus, Emerald Feather, Emerald Fern, Sprengeri Fern, Plumosa Fern, Lace Fern, Racemose Asparagus, Shatavari). Toxic to both cats and dogs. Symptoms of poisoning include allergic dermatitis with repeated dermal exposure. Berry ingestion could result in gastric upset (vomiting, abdominal pain, or diarrhea).

Azalea. (Common names Rosebay, Rhododendron). Toxic to cats dogs and horses. Symptoms of poisoning include vomiting, diarrhea, hypersalivation, weakness, coma, hypotension, CNS depression, cardiovascular collapse and death.

Baby's Breath

Barbados Lily

Begonia

Bird of Paradise

Branching Ivy

Baby's Breath. (Common name Maidens Breath). Toxic to both cats and dogs. Symptoms of poisoning include vomiting and diarrhea.

Barbados Lily. (Common names include Amaryllis, Fire Lily, Lily of the Palace, Ridderstjerne). Toxic to both cats and dogs. Signs of poisoning include vomiting, salvation, diarrhea; large quantities consumed cause convulsions, low blood pressure, tremors and cardiac arrhythmias. Bulbs are the most poisonous part.

Begonia. Toxic to both cats and dogs. Signs of poisoning include oral irritation, intense burning and irritation of mouth, tongue and lips, excessive drooling, vomiting, difficulty swallowing. Tubers are the most toxic.

Bird of Paradise Flower. (Common names include Crane Flower, Bird's Tongue Flower). Toxic to cats dogs and horses. Symptoms of poisoning include mild nausea, vomiting, drowsiness; caused mainly by fruit and seeds. Should not be confused with Caesalpinia or Poinciana gilliesii, which is also known as Bird of Paradise and is more toxic.

Branching Ivy. (Common names include English Ivy, Glacier Ivy, Needlepoint Ivy, Sweetheart Ivy, California Ivy). Toxic to cats, dogs and horses. Symptoms of poisoning include vomiting, abdominal pain, hypersalivation, diarrhea. Foliage is more toxic than berries.

Caladium

Cardboard Palm

Carnation

Ceriman

Charming Dieffenbachia

Chinese Jade

Chrysanthemum

Clivia Lily

Coleus

Corn Plant

Cyclamen

Caladium. (Common names include Malanga, Elephant's Ears, Stoplight, Seagull, Mother-in-law Plant, Pink Cloud, Texas Wonder, Angel-Wings, Exposition, Candidum, Fancy-leaved Caladium). Toxic to both cats and dogs. Signs of poisoning include oral irritation, intense burning and irritation of mouth, tongue and lips, excessive drooling, vomiting and difficulty swallowing.

Cardboard Palm. (Common names include cycads and zamias). Toxic to cats, dogs and horses. Symptoms of poisoning include vomiting, melena, icterus, increased thirst, hemorrhagic gastroenteritis, bruising, coagulopathy, liver damage, liver failure and death.

Carnation.(Common names include Pinks, Wild Carnation, Sweet William). Toxic to cats and dogs. Signs of poisoning include mild gastrointestinal signs and mild dermatitis.

Ceriman. (Common names include Swiss Cheese Plant, Cutleaf Philodendron, Hurricane Plant and Mexican Breadfruit). Toxic to both cats and dogs. Clinical signs of poisoning include oral irritation, intense burning and irritation of mouth, tongue and lips, excessive drooling, vomiting, difficulty swallowing.

Charming Dieffenbachia. Toxic to both cats and dogs. Symptoms of poisoning include oral irritation, intense burning and irritation of mouth , tongue and lips, excessive drooling, vomiting, difficulty swallowing.

Chinese Jade. (Common names include Silver Jade Plant, Silver Dollar). Toxic to both cats and dogs. Clinical signs of poisoning include both nausea and retching.

Chrysanthemum. Toxic to cats, dogs and horses. Signs of poisoning include vomiting, diarrhea, hypersalivation, incoordination and dermatitis.

Clivia Lily. (Common names include Kaffir Lily, Clivies, Caffre Lily, Cape Clivia, Klivia). Toxic to cats and dogs. Symptoms of poisoning include vomiting, salvation, diarrhea; large ingestions cause convulsions, low blood pressure, tremors and cardiac arrhythmias. Bulbs are the most poisonous part.

Coleus. (Common names include Indian Borage, Bread and Butter Plant, Spanish Thyme, East Indian Thyme, Stinging Thyme, Country Boarage etc etc). Toxic to cats, dogs and horses. clinical signs of poisoning include vomiting, diarrhea (occasionally bloody), depression and anorexia.

Corn Plant. (Common names include Cornstalk Plant, Dracaena, Dragon Tree and Ribbon Plant). Toxic to both cats and dogs. Symptoms of poisoning include vomiting (occasionally with blood), depression, anorexia, hypersalivation, dilated pupils (cats).

Cyclamen. (Common name Sowbread). Toxic to both cats and dogs. Signs of poisoning include salivation, vomiting, diarrhea. Following large ingestion of tubers: heart rhythm abnormalities, seizures and death.

Daffodils

Dahlia

Desert Azalea

Devil's Ivy

Dieffenbachia

Daffodil. (Common names include Narcissus, Jonquil, Paper White). Toxic to cats, dogs and horses. Signs of poisoning include vomiting, salvation, diarrhea; large ingestions cause convulsions, low blood pressure, tremors and cardiac arrhythmias. Bulbs are the most poisonous part.

Dahlia. Toxic to both cats and dogs. clinical signs of poisoning include mild gastrointestinal signs, mild dermatitis.

Desert Azalea. (Common names include Desert Rose, Mock Azalea, Sabi Star, Impala Lily, Kudu Lily). Toxic to cats, dogs and horses. Symptoms of poisoning include vomiting, diarrhea, anorexia, depression, irregular heart beat and death.

Devils Ivy. (Common names include Pothos, Golden Pothos, Taro Vine, Ivy Arum). Toxic to both cats and dogs. Signs of poisoning include oral irritation, intense burning and irritation of mouth, tongue and lips, excessive drooling, vomiting and difficulty swallowing.

Dieffenbachia. (Common names include Charming Dieffenbachia, Giant Dumb Cane, Tropic Snow, Dumbcane, Exotica, Spotted Dumb Cane, Exotica Perfection). Toxic to both cats and dogs. Symptoms of poisoning include oral irritation, intense burning and irritation of mouth , tongue and lips, excessive drooling, vomiting and difficulty swallowing.

Easter Lily

Everlasting Pea

Easter Lily. Toxic to cats. Symptoms of poisoning include Vomiting, inappetence, lethargy, kidney failure, and death is possible. Cats are only species known to be affected.

Everlasting Pea. (Common names include Sweet Pea, Perennial Pea). Toxic to cats, dogs and horses. Signs of poisoning include Weakness, lethargy, pacing, head pressing, tremors, seizures and possibly death.

Weeping Fig

Flamingo Flower

Florida Beauty

Fig. (Common names include Weeping Fig and Indian Rubber Plant ). Toxic to cats, dogs and horses. Signs to look for include: contact with the skin can cause dermatitis and ingestion can cause oral irritation, salivation and vomiting.

Flamingo Flower. (Common names include Flamingo Lily, Tail Flower, Oilcloth Flower, Pigtail Plant and Painter's Pallet). Toxic to both cats and dogs. Symptoms of poisoning include oral irritation, intense burning and irritation of mouth, tongue and lips, excessive drooling, vomiting and difficulty swallowing.

Florida Beauty. (Common names include Gold Dust Dracaena and Spotted Dracaena). Toxic to both cats and dogs. Signs of poisoning include In cats: dilated pupils, breathing difficulty, abdominal pain, increased heartrate and drooling. In both cats and dogs: vomiting, depression, inappetence, drooling, incoordination, and weakness.

Hyacinth

Giant Dracaena

Gladiola

Garden Hyacinth. Toxic to both cats and dogs. Symptoms of poisoning include vomiting, diarrhea, dermatitis and allergic reactions. Bulbs contain highest amount of toxin.

Giant Dracaena. (Common names Palm Lily, Grass Palm). Signs of poisoning include vomiting (occasionally with blood), depression, anorexia, hypersalivation, dilated pupils (cats).

Gladiola. Toxic to cats, dogs and horses. Symptoms of poisoning include salivation, vomiting, drooling,l ethargy, diarrhea. Highest concentration in corms (bulbs).

Hellebore

Hosta

Hellebore. (Common names include Christmas Rose, Lenten Rose, Easter Rose). Toxic to cats, dogs and horses. Signs to look for are Drooling, abdominal pain and diarrhea, colic, depression.

Hosta. (Common names include Plantain Lily, Funkia). Toxic to cats, dogs and horses. Symptoms include Vomiting, diarrhea, depression.

Marijuana

Indian Hemp. (Common names include Marijuana and Hashish). Toxic to cats, dogs and horses. Clinical signs include prolonged depression, vomiting, incoordination, sleepiness or excitation, hypersalivaton, dilated pupils, low blood pressure, low body temperature, seizure, coma, death (rare)

Jade Plant.

Jade Plant. (Common names include Baby Jade, Dwarf rubber plant, Jade tree, Chinese rubber plant, Japanese rubber plant). Toxic to both cats and dogs. clinical signs of poisoning include vomiting, depression, ataxia and slow heart rate (rare).

Kiss-me-quick. (Common names include Yesterday, Today, Tomorrow, Lady-of-the-Night, Morning-Noon-and-Night, Fransiscan Rain Tree). Toxic to cats, dogs and horses. Symptoms of poisoning include Tremors, seizures (for several days), diarrhea, vomiting, hypersalivation, lethargy, incoordination and coughing.

Lacy Tree Philodendron

Lily

Lily of the Valley

Lacy Tree Philodendron. Toxic to both cats and dogs. Signs of poisoning include oral irritation, intense burning and irritation of the mouth, lips, tongue, excessive drooling, vomiting and difficulty in swallowing.

Lily. Toxic to cats. Clinical signs of poisoning include kidney failure.

Lily of the Valley. Toxic to cats, dogs and horses. Symptoms of poisoning include Vomiting, irregular heart beat, low blood pressure, disorientation, coma and seizures

Mistletoe

Mistletoe "American". (Common names include American Mistletoe). Toxic to cats, dogs and horses. Signs of poisoning include Gastrointestinal disorders, cardiovascular collapse, dyspnea, bradycardia, erratic behavior, (hallucinogenic in humans). Vomiting, diarrhea and low blood pressure (rare).

Nephthytis

Nephthytis. (Common names include Arrow-Head Vine, Green Gold Naphthysis, African Evergreen, Trileaf Wonder). Toxic to both cats and dogs. Clinical signs of poisoning include oral irritation, intense burning and irritation of mouth, tongue and lips, excessive drooling, vomiting and difficulty swallowing.

Orange

Orange Day Lily

Orange. Toxic to cats, dogs and horses. Symptoms of poisoning include Vomiting, diarrhea, depression; potential photosensitivity.

Orange Day Lily. Toxic to cats. Signs of poisoning include Vomiting, inappetence, lethargy, kidney failure, and death is possible.

Pencil Cactus

Poinsettia

Primrose

Pencil Cactus. (Common names include Crown of Thorns). Toxic to both cats and dogs. Symptoms of poisoning include irritating to the mouth and stomach, sometimes causing vomiting, but generally over-rated in toxicity.

Poinsettia. Toxic to both cats and dogs. Signs of poisoning include irritating to the mouth and stomach, sometimes causing vomiting, but generally over-rated in toxicity.

Primrose.Toxic to cats, dogs and horses. Clinical signs include mild vomiting.

Spring Parsley

Stargazer Lily

Sweetheart Ivy

Spring Parsley. Toxic to cats, dogs and horses. Symptoms of poisoning include photosensitization (ulcerative and exudative dermatitis) and ocular toxicity.

Stargazer Lily. Toxic to cats. Signs of poisoning include Vomiting, inappetence, lethargy, kidney failure and death is possible. Cats are only species known to be affected.

Sweetheart Ivy. (Common names include English Ivy, Glacier Ivy, Needlepoint Ivy, Branching Ivy, California Ivy). Toxic to cats, dogs and horses. Clinical signs of poisoning include vomiting, abdominal pain, hypersalivation and diarrhea. Foliage is more toxic than berries

Taro

Tiger Lily

Tomato Plant

Trumpet Lily

Tulips

Taro. (Common names include Caladium, Elephant Ears, Pai, Ape, Cape, Via, Via sori, Malanga). Toxic to both cats and dogs. Symptoms of poisoning to look out for include oral irritation, intense burning and irritation of the mouth, lips, tongue, excessive drooling, vomiting and difficulty in swallowing.

Tiger Lily. Toxic to cats. Clinical signs of poisoning include vomiting, inappetence, lethargy, kidney failure, and death is possible. Cats are only species known to be affected.

Tomato Plant. Toxic to cats, dogs and horses. Signs of poisoning include hypersalivation, inappetence, severe gastrointestinal upset, diarrhea, drowsiness, CNS depression, confusion, behavioral change, weakness, dilated pupils and slow heart rate.

Trumpet Lily. (Common names include Calla Lily, Pig Lily, White Arum, Arum Lily, Florist's Calla, Garden Calla, Arum Lily). Toxic to both cats and dogs. Symptoms of poisoning include oral irritation, intense burning and irritation of mouth, tongue and lips, excessive drooling, vomiting and difficulty swallowing.

Tulip. Toxic to cats, dogs and horses. Clinical signs of poisoning include vomiting, depression, diarrhea, hypersalivation. Highest concentration of toxin is in the bulbs.

Water Hyacinth

Wood Lily

Water Hyacinth. Toxic to cats, dogs and horses. Clinical signs include vomiting and anorexia.

Wood Lily. Toxic to cats. Symptoms of poisoning include Vomiting, inappetence, lethargy, kidney failure and death is possible. Cats are only species known to be affected.

Yucca

Yucca. Toxic to cats, dogs and horses. Signs of poisoning to look out for include vomiting, diarrhea -- dogs, cats. Liver disease, secondary photosensitivity -- grazing animals.

Useful Links

ASPCA | Toxic and Non-Toxic Plants

This site has an extensive list of plants both toxic and non toxic to a variety of pets, including dogs, cats and horses.

Poisonous Plants to Cats

List of poisonous plants to cats

This article is accurate and true to the best of the author’s knowledge. It is not meant to substitute for diagnosis, prognosis, treatment, prescription, or formal and individualized advice from a veterinary medical professional. Animals exhibiting signs and symptoms of distress should be seen by a veterinarian immediately.

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