Toxic Plants For Cats

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Our kitties are one of our most loved and treasured family members but did you know that more than 700 of the common plants that we fill our houses and gardens with actually contain substances which can be highly toxic to cats, some even having fatal consequences.




Sometimes it is the whole plant that can be poisonous, where as with others it is just one part (such as the bark, leaves, pollen, stem or the plant’s roots). Here is a list of the top ten houseplants which can be extremely harmful to our moggies and should be avoided.





Top Ten Most Deadly Plants For Cats


Tiger Lillies are thought to be the most poisonous plants for cats, with the whole plant being toxic and causing vomiting, lethargy and loss of appetite if ingested. If left untreated, the poisoning can cause fatal kidney failure within 24 to 72 hours.

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Close-up image of an orange tiger lily with trees in the background.
Tiger Lillies can cause vomiting, lethargy, and loss of appetite in cats if ingested.

Ancha Chiangmai/Shutterstock.com




The Potato Family includes plants such as potatoes, tomatoes, peppers and chillies all of which contain a toxic substance called Glycoalkanoid Solamine which can be poisonous to cats. The raw leaves and stems of these plants can cause aggressive lower gastrointestinal pain if eaten by your cat.




Poison Ivy and other species of Ivy, can be highly toxic to your household pet (as the name suggests). If your cat comes into contact with poison ivy, severe rashes can appear which can become really nasty if left untreated.

Close-up image of poison ivy leaves.
Poison ivy can cause severe rash, which can become unpleasant if left untreated.

Tim Mainiero/Shutterstock.com




Mistletoe is one of the most deadly plants for cats, but it is the berries in particular that you should keep the kitty away from. Ingesting these festive white berries can cause vomiting and diarrhoea, along with blisters in the mouth and breathing problems.




Chrysanthemum is a common household plant throughout the UK but should be approached with caution as far as your four-legged friends are concerned. Simply coming into contact with chrysanthemums can cause your cat to have severe allergic reactions particularly around their nose and mouth.




Weeping Fig trees are quite tempting for cats to sleep underneath but it is the leaves that are the most toxic part. If eaten in large quantities, the weeping fig can be highly poisonous to cats often causing stomach problems.

A weeping fig tree in a blue pot in front of a light-colored stone backdrop.
If eaten in large quantities, the weeping fig can be highly poisonous to cats.

loflo69/Shutterstock.com




Azalea is a common landscape plant but both the leaves and the flowers can be poisonous to cats. If ingested, this plant can cause vomiting, diarrhoea, abdominal pains, breathing and kidney problems for your moggie.




Juniper Shrubs are one of the most well known berry plants in the country, but it is the ingestion of too many of the leaves from these plants that can lead to severe abdominal pain and upset for your cat.




Bulb Plants such as daffodils and tulips are poisonous for cats, particularly the bulbs. If ingested, bulb plants will cause vomiting and diarrhoea and have been known to have fatal consequences, and should be avoided in your back garden.


Onions are a fairly common garden vegetable but should not be allowed anywhere near your cats. The toxic substance found in the plants can cause anaemia in your cat (with garlic having a similar affect).

Multiple red, white, and yellow onions.
If ingested, onions can cause anaemia in cats.

New Africa/Shutterstock.com






If you would like to know what other plants may be toxic to your cat, please see the full list below:




A

Alfalfa



Almond (Pits)



Aloe Vera



Alocasia



Amaryllis



Apple (seeds)



Apple Leaf Croton



Apricot (Pits)



Arrowgrass



Asparagus Fern



Autumn Crocus



Avacado (fruit and pit)



Azalea


B

Baby’s Breath



Baneberry



Bayonet



Beargrass



Beech



Belladonna



Bird of Paradise



Bittersweet



Black-eyed Susan



Black Locust



Bleeding Heart



Bloodroot



Bluebonnet



Box



Boxwood



Branching Ivy



Buckeyes



Buddist Pine



Burning Bush



Buttercup




C

Cactus, Candelabra



Caladium



Calla Lily



Castor Bean



Ceriman



Charming Dieffenbachia



Cherry (pits, seeds & wilting leaves)



Cherry, most wild varieties



Cherry, ground



Cherry, Laurel



Chinaberry



Chinese Evergreen



Christmas Rose



Chrysanthemum



Cineria



Clematis



Cordatum



Coriaria



Cornflower



Corn Plant



Cornstalk Plant



Croton



Corydalis



Crocus, Autumn



Crown of Thorns



Cuban Laurel



Cutleaf Philodendron



Cycads



Cyclamen




D

Daffodil



Daphne



Datura



Deadly Nightshade



Death Camas



Devil’s Ivy



Delphinium



Decentrea



Dieffenbachia



Dracaena Palm



Dragon Tree



Dumb Cane


E

Easter Lily



Eggplant



Elaine



Elderberry



Elephant Ear



Emerald Feather



English Ivy



Eucalyptus



Euonymus



Evergreen


F

Ferns



Fiddle-leaf fig



Florida Beauty



Flax



Four O’Clock



Foxglove



Fruit Salad Plant


G

Geranium



German Ivy



Giant Dumb Cane



Glacier IvyGolden Chain



Gold Dieffenbachia



Gold Dust Dracaena



Golden Glow



Golden Pothos



Gopher Purge




H

Hahn’s Self-Branching Ivy



Heartland Philodendron



Hellebore



Hemlock, Poison



Hemlock, Water



Henbane



Holly



Honeysuckle



Horsebeans



Horsebrush



Horse Chestnuts



Hurricane Plant



Hyacinth



Hydrangea


I

Indian Rubber Plant



Indian Tobacco



Iris



Iris Ivy


J

Jack in the Pulpit



Janet Craig Dracaena



Japanese Show Lily



Java Beans



Jessamine



Jerusalem Cherry



Jimson Weed



Jonquil



Jungle Trumpets


K

Kalanchoe


L

Lacy Tree Philodendron



Lantana



Larkspur



Laurel



Lily Spider



Lily of the Valley



Locoweed



Lupine




M

Madagascar Dragon Tree



Marble Queen



Marigold



Marijuana



Mescal Bean



Mexican Breadfruit



Miniature Croton



Mistletoe



Mock Orange



Monkshood



Moonseed



Morning Glory



Mother-in Law’s Tongue



Morning Glory



Mountain Laurel



Mushrooms


N

Narcissus



Needlepoint Ivy



Nephytis



Nightshade


O

Oleander



Onion



Oriental Lily


P

Peace Lily



Peach (pits and wilting leaves)



Pencil Cactus



Peony



Periwinkle



Philodendron



Pimpernel



Plumosa Fern



Poinciana



Poinsettia (low toxicity)



Poison Hemlock



Poison Ivy



Poison Oak



Pokeweed



Poppy



Potato



Pothos



Precatory Bean



Primrose



Privet, Common




R

Red Emerald



Red Princess



Red-Margined Dracaena



Rhododendron



Rhubarb



Ribbon Plant



Rosemary Pea



Rubber Plant


S

Saddle Leaf Philodendron



Sago Palm



Satin Pothos



Schefflera



Scotch Broom



Silver Pothos



Skunk Cabbage



Snowdrops



Snow on the Mountain



Spotted Dumb Cane



Staggerweed



Star of Bethlehem



String of Pearls



Striped Dracaena



Sweetheart Ivy



Sweetpea



Swiss Cheese plant




T

Tansy Mustard



Taro Vine



Tiger Lily



Tobacco



Tomato Plant (green fruit, stem and leaves)



Tree Philodendron



Tropic Snow Dieffenbachia



Tulip



Tung Tree


V

Virginia Creeper


W

Water Hemlock



Weeping Fig



Wild Call



Wisteria


Y

Japanese Yew



English Yew



Western Yew



American Yew






Even though there are a number of plants on this list that are found in nearly every household, don’t panic. If you can’t remove them just make sure that they are out of reach and cannot be nibbled on by your curious kitty as there is no antidote for many of them.

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About the Author

AZ Animals is a growing team of animals experts, researchers, farmers, conservationists, writers, editors, and — of course — pet owners who have come together to help you better understand the animal kingdom and how we interact.

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Our kitties are one of our most loved and treasured family members but did you know that more than 700 of the common plants that we fill our houses and gardens with actually contain substances which can be highly toxic to cats, some even having fatal consequences.




Sometimes it is the whole plant that can be poisonous, where as with others it is just one part (such as the bark, leaves, pollen, stem or the plant’s roots). Here is a list of the top ten houseplants which can be extremely harmful to our moggies and should be avoided.





Top Ten Most Deadly Plants For Cats


Tiger Lillies are thought to be the most poisonous plants for cats, with the whole plant being toxic and causing vomiting, lethargy and loss of appetite if ingested. If left untreated, the poisoning can cause fatal kidney failure within 24 to 72 hours.

Only The Top 1% Can Ace our Animal Quizzes

Think You Can?

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100% { transform: scale(0.90); box-shadow: 0 0 0 0 rgba(11, 247, 25, 0); }
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Close-up image of an orange tiger lily with trees in the background.
Tiger Lillies can cause vomiting, lethargy, and loss of appetite in cats if ingested.

Ancha Chiangmai/Shutterstock.com




The Potato Family includes plants such as potatoes, tomatoes, peppers and chillies all of which contain a toxic substance called Glycoalkanoid Solamine which can be poisonous to cats. The raw leaves and stems of these plants can cause aggressive lower gastrointestinal pain if eaten by your cat.




Poison Ivy and other species of Ivy, can be highly toxic to your household pet (as the name suggests). If your cat comes into contact with poison ivy, severe rashes can appear which can become really nasty if left untreated.

Close-up image of poison ivy leaves.
Poison ivy can cause severe rash, which can become unpleasant if left untreated.

Tim Mainiero/Shutterstock.com




Mistletoe is one of the most deadly plants for cats, but it is the berries in particular that you should keep the kitty away from. Ingesting these festive white berries can cause vomiting and diarrhoea, along with blisters in the mouth and breathing problems.




Chrysanthemum is a common household plant throughout the UK but should be approached with caution as far as your four-legged friends are concerned. Simply coming into contact with chrysanthemums can cause your cat to have severe allergic reactions particularly around their nose and mouth.




Weeping Fig trees are quite tempting for cats to sleep underneath but it is the leaves that are the most toxic part. If eaten in large quantities, the weeping fig can be highly poisonous to cats often causing stomach problems.

A weeping fig tree in a blue pot in front of a light-colored stone backdrop.
If eaten in large quantities, the weeping fig can be highly poisonous to cats.

loflo69/Shutterstock.com




Azalea is a common landscape plant but both the leaves and the flowers can be poisonous to cats. If ingested, this plant can cause vomiting, diarrhoea, abdominal pains, breathing and kidney problems for your moggie.




Juniper Shrubs are one of the most well known berry plants in the country, but it is the ingestion of too many of the leaves from these plants that can lead to severe abdominal pain and upset for your cat.




Bulb Plants such as daffodils and tulips are poisonous for cats, particularly the bulbs. If ingested, bulb plants will cause vomiting and diarrhoea and have been known to have fatal consequences, and should be avoided in your back garden.


Onions are a fairly common garden vegetable but should not be allowed anywhere near your cats. The toxic substance found in the plants can cause anaemia in your cat (with garlic having a similar affect).

Multiple red, white, and yellow onions.
If ingested, onions can cause anaemia in cats.

New Africa/Shutterstock.com






If you would like to know what other plants may be toxic to your cat, please see the full list below:




A

Alfalfa



Almond (Pits)



Aloe Vera



Alocasia



Amaryllis



Apple (seeds)



Apple Leaf Croton



Apricot (Pits)



Arrowgrass



Asparagus Fern



Autumn Crocus



Avacado (fruit and pit)



Azalea


B

Baby’s Breath



Baneberry



Bayonet



Beargrass



Beech



Belladonna



Bird of Paradise



Bittersweet



Black-eyed Susan



Black Locust



Bleeding Heart



Bloodroot



Bluebonnet



Box



Boxwood



Branching Ivy



Buckeyes



Buddist Pine



Burning Bush



Buttercup




C

Cactus, Candelabra



Caladium



Calla Lily



Castor Bean



Ceriman



Charming Dieffenbachia



Cherry (pits, seeds & wilting leaves)



Cherry, most wild varieties



Cherry, ground



Cherry, Laurel



Chinaberry



Chinese Evergreen



Christmas Rose



Chrysanthemum



Cineria



Clematis



Cordatum



Coriaria



Cornflower



Corn Plant



Cornstalk Plant



Croton



Corydalis



Crocus, Autumn



Crown of Thorns



Cuban Laurel



Cutleaf Philodendron



Cycads



Cyclamen




D

Daffodil



Daphne



Datura



Deadly Nightshade



Death Camas



Devil’s Ivy



Delphinium



Decentrea



Dieffenbachia



Dracaena Palm



Dragon Tree



Dumb Cane


E

Easter Lily



Eggplant



Elaine



Elderberry



Elephant Ear



Emerald Feather



English Ivy



Eucalyptus



Euonymus



Evergreen


F

Ferns



Fiddle-leaf fig



Florida Beauty



Flax



Four O’Clock



Foxglove



Fruit Salad Plant


G

Geranium



German Ivy



Giant Dumb Cane



Glacier IvyGolden Chain



Gold Dieffenbachia



Gold Dust Dracaena



Golden Glow



Golden Pothos



Gopher Purge




H

Hahn’s Self-Branching Ivy



Heartland Philodendron



Hellebore



Hemlock, Poison



Hemlock, Water



Henbane



Holly



Honeysuckle



Horsebeans



Horsebrush



Horse Chestnuts



Hurricane Plant



Hyacinth



Hydrangea


I

Indian Rubber Plant



Indian Tobacco



Iris



Iris Ivy


J

Jack in the Pulpit



Janet Craig Dracaena



Japanese Show Lily



Java Beans



Jessamine



Jerusalem Cherry



Jimson Weed



Jonquil



Jungle Trumpets


K

Kalanchoe


L

Lacy Tree Philodendron



Lantana



Larkspur



Laurel



Lily Spider



Lily of the Valley



Locoweed



Lupine




M

Madagascar Dragon Tree



Marble Queen



Marigold



Marijuana



Mescal Bean



Mexican Breadfruit



Miniature Croton



Mistletoe



Mock Orange



Monkshood



Moonseed



Morning Glory



Mother-in Law’s Tongue



Morning Glory



Mountain Laurel



Mushrooms


N

Narcissus



Needlepoint Ivy



Nephytis



Nightshade


O

Oleander



Onion



Oriental Lily


P

Peace Lily



Peach (pits and wilting leaves)



Pencil Cactus



Peony



Periwinkle



Philodendron



Pimpernel



Plumosa Fern



Poinciana



Poinsettia (low toxicity)



Poison Hemlock



Poison Ivy



Poison Oak



Pokeweed



Poppy



Potato



Pothos



Precatory Bean



Primrose



Privet, Common




R

Red Emerald



Red Princess



Red-Margined Dracaena



Rhododendron



Rhubarb



Ribbon Plant



Rosemary Pea



Rubber Plant


S

Saddle Leaf Philodendron



Sago Palm



Satin Pothos



Schefflera



Scotch Broom



Silver Pothos



Skunk Cabbage



Snowdrops



Snow on the Mountain



Spotted Dumb Cane



Staggerweed



Star of Bethlehem



String of Pearls



Striped Dracaena



Sweetheart Ivy



Sweetpea



Swiss Cheese plant




T

Tansy Mustard



Taro Vine



Tiger Lily



Tobacco



Tomato Plant (green fruit, stem and leaves)



Tree Philodendron



Tropic Snow Dieffenbachia



Tulip



Tung Tree


V

Virginia Creeper


W

Water Hemlock



Weeping Fig



Wild Call



Wisteria


Y

Japanese Yew



English Yew



Western Yew



American Yew






Even though there are a number of plants on this list that are found in nearly every household, don’t panic. If you can’t remove them just make sure that they are out of reach and cannot be nibbled on by your curious kitty as there is no antidote for many of them.

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