Many people are not aware that some common plants/flowers can actually be toxic for your pets and small children. Since getting my puppy and taking care of my nephew, I have been hyper sensitive to things in their environment that may be harmful to them. I was surprised to find out that Lilies, Tulip bulbs, and Amaryllis are among the most toxic plants. See a more detailed list here https://www.aspca.org/pet-care/animal-poison-control/17-poisonous-plants