Owning a greenhouse can keep a gardener busy straight through winter. If you’re thinking of adding a greenhouse or already have one you may want to join the Hobby Greenhouse Association. For $28.00 a year members receive a quarterly magazine, a quarterly newsletter, and the opportunity to ask questions of the experts. To join send a check to HGA MEMBERSHIP, P. O. Box 404, Andover, MA, 01810, or join online at www.hobbygreenhouse.org/