Are aucuba plants poisonous to dogs or not? Dr. Eichstadt moved with her husband, dog, and two cats to join UC Davis as a veterinary pharmacist this past August after completing a veterinary pharmacy residency at Purdue University's Veterinary Teaching Hospital. My one concern is this shrub has been described as potentially dangerous for pets and people. Laurel Poisoning in Dogs - Symptoms, Causes, Diagnosis, Treatment Additional Information: In general the Dracaena Genus is considered to be non toxic, and there have been no reported fatalities of either humans or animals from Dracaena ingestion. There are some plants that can be harmful to humans and dogs. Some foods can upset the stomach, while others can cause more serious problems, particularly if consumed in large quantities.