I've got a beautiful poinsettia left from the holidays. I've been warned that it is poisonous and reassured that it is not. Which is right?Originally published 4/272007I'm glad you asked this question. I'm happy to set the record straight on poinsettias and to tell you about a useful and beautifully illustrated new book on the subject of poisonous plants that is an indispensable resource for hikers, gardeners, parents of small children, pet owners, veterinarians, and h