Daylilies (Hemerocallis spp.) are known to cause kidney failure in cats. Signs of daylily poisoning in cats may include lethargy, loss of appetite, and vomiting. Symptoms can take two or more days to surface. The plants don't affect dogs.
About this Author
A freelance writer, Judy Wolfe has owned Prose for the Pros, a freelance writing business, since 2006. She's been an inveterate traveler since 1961 and draws on her travel experiences to provide articles for such websites as Chincoteague Island Vacations and Berlin Dude. Wolfe holds a Bachelor of Arts in literature from California State University at Pomona.