Azalea

Also known as: Rosebay, Rhododendron

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Clinical Signs: Vomiting (not in horses), diarrhea, weakness, cardiac failure
Family: Ericaceae
Scientific Name: Rhododendron spp
Toxic Principles: Grayantoxin

Source: ASPCA Toxic and Non-Toxic Plants list (dogs), scraped 2026-07-14 from https://www.aspca.org/pet-care/animal-poison-control/dogs-plant-list · view original