12 Common House Plants that Are Toxic to Your Pet

Find out what greenery you need to keep out of your home to protect your furry best friend from harm

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Out of the 150,000 calls the American Society for the Prevention of Cruelty to Animals poison control hotline receives each year about accidental poisonings, a significant number are from owners with a pet who ate a toxic household plant. Pots, Planters + More created this guide, based on a list of toxic plants from UC Davis School of Veterinary Medicine's most common causes of emergency calls and Texas A&M's “Common Poisonous Plants and Plant Parts,” to help you protect your cat and/or dog.

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Even if the plants in your home don't make this list, it's smart to keep pets and plants separated. All flora should be placed in spots that animals can't reach. This will prevent your cat and/or dog from experiencing any of the troubles that can come with eating something strange. Also, keep a close eye on outdoor pets, to ensure they don't chomp down on anything harmful.

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CASTOR BEAN

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The most poisonous plant in the world, according to Guinness World Records, Castor Bean contains Ricin, a substance that can be deadly for both cats and dogs.

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CALADIUM

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This house and outdoor plant is the second-most toxic plant for pets, and is dangerous for humans as well.

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LILIES

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Lilies are one of the most dangerous plants for cats. If left untreated, lily toxicity can kill a feline as soon as 18 hours after exposure.

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DUMB CANE

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Dumb cane exposure usually isn't fatal for pets, but the oral irritation the plant causes can lead to constricted airways.

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ROSARY PEA

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Rosary peas contain the most potent toxin known to man, Abrin, and can be found outside growing on bushes.

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LARKSPUR

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There are more than 300 types of Larkspur plants, which become less toxic as they mature.

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FOXGLOVE

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This plant's leaves are toxic to all pets, as well as humans. Just two grams of Foxglove leaf is enough to kill a person.

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AUTUMN CROCUS

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While colchicine, the toxin found in this plant, is toxic to cats and dogs, it is used in gout treatments for humans.

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SAGO PALM

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This ornamental tree has a high fatality rate among pets: Its seeds are especially dangerous to animals.

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BLACK LOCUST

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Any part of this tree is toxic when ingested, but the bark is the most dangerous part for animals (humans included).

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YEW

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The berries of this tree are the only non-toxic part of the plant. Dogs are especially at risk for Yew toxicity because of the branches and sticks they pick up from the tree.

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OLEANDER

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This entire shrub is toxic and is even capable of killing a cow with just 10 to 20 leaves.

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