Which Plants and Flowers Are Poisonous or Toxic to Cats?
13 Household Plants You May Be Surprised to Learn Are Toxic to Cats
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Rhododendrons contains rayantoxins and are highly toxic to pets. If only .2 percent of an animal's body weight in poison is ingested, the rayantoxin can disrupt a cat's odium channels — which affects the skeletal and cardiac muscles — according to the Pet Poison Hotline.