If you are growing your own Poinsettias for winter decorations, there are some tips you may want to know. The Rhea Greenhouse in Wellman gave us some tips. Poinsettias like to be kept moist but not wet. They also need to be kept cold. They should not be left near a heat source, but should not be allowed to freeze either. If growing your own seems like too much work. Rhea Greenhouses has 10,000 poinsettias for sale. They have many different varieties and colors.