Is Passion Vine Toxic to Pets?

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Passion vines have bright, showy flowers.

Passion vines are members of the Passiflora genus and are also called passion flowers. They are tropical in origin and noted for grand, vibrant flowers. Grown outdoors to attract pollinators and add color or indoors as a houseplant, passion vines can pose a risk for pets.


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Passion vines are climbing vines with bright flowers of a variable color. Colors range from whites to purples to reds. Some colors appear multiple times in one flower.


Passion vines are toxic to pets. They contain substances that create cyanide when broken down by the body. According to the Governor Animal Clinic in San Diego, California, pet owners should consider all parts of the passion vine plant toxic except for mature fruits.



If you think your dog or cat has eaten a passion vine and is suffering adverse effects, seek emergency veterinary care immediately.


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Elizabeth Tumbarello

Elizabeth Tumbarello

Elizabeth Tumbarello has been writing since 2006, with her work appearing on various websites. She is an animal lover who volunteers with her local Humane Society. Tumbarello attended Hocking College and is pursuing her Associate of Applied Science in veterinary technology from San Juan College.