Significance

• While daylilies are extremely toxic to cats -- causing kidney failure -- they are not a threat to dogs, according to the American Society for the Prevention of Cruelty to Animals.
  
  

Function

• Since dogs are omnivorous animals, they may try out eating your garden plants, including daylilies. While you may not want your dog snacking on your daylilies, they shouldn't hurt your pet.
  
  

Considerations

• Like all food that isn't normally part of your dog's diet, the introduction of daylilies may cause some issues in dog's with sensitive digestive systems. Symptoms such as diarrhea and vomiting will pass when the irritant is out of your dog's system.