That warning is about several springtime flowers that can be deadly to pets if they’re eaten. “Cats can’t help but graze on a plant that’s sitting in the house,” Dr. Broadhurst said. Dr. Broadhurst said these flowers can be dangerous to dogs, but in a different, less serious way. “If it’s toxic, as beautiful as it is, it’s not worth the life of a pet,” Dr. Broadhurst said. This includes the ASPCA Animal Poison Control Center at 888-426-4435 and the Pet Poison Helpline at 855-764-7661.