The Matthaei Botanical Gardens 2007 Science of the Seasons Holiday Conservatory Display can be viewed from 10 a.m.-4:30 p.m. daily through Jan. 1. (See related story on page 19.) The display features a poinsettia tree and 300 pots of poinsettias. Also featured are plants from around the world that like poinsettias bloom under shorter daylight conditions. For more information call (734) 647-7600 or go to www.lsa.umich.edu/mbg/. (Photo courtesy Matthaei Botanical Gardens Nichols Arboretum)