CAT
See which common garden plants are toxic to cats
Updated June 3, 2026, 5:00 p.m. ET

Lilies were the most toxic plants cats were exposed to in 2025, according to the ASPCA Poison Control, with daylilies falling closely behind.
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Daffodils are toxic to cats, containing the poisonous alkaloid lycorine, with the bulb harboring most of this toxin.
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Since it usually causes upset stomachs, pet parents should act quickly if their cat has been in contact with baby’s breath by contacting their vet or a pet poison helpline.
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In cats, the toxin from Brunfelsia can cause tremors, diarrhea, vomiting, coughing, incoordination and seizures.
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A flower bed full of Chrysanthemums, more commonly known as mums.
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Foxglove flowers contain cardiac glycosides, which interfere with the heart, making them dangerous to many living creatures.
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This pink-flowering shrub causes serious heart and gastrointestinal problems in cats and other animals.
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Tulips are popular garden plants that make gorgeous bouquets, but they’re also the second most common toxic plant cats are exposed to, according to the ASPCA Poison Center.
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