Answer: There are some great greenhouse planning books available there is a good one called "Greenhouse Gardener's Companion" by Shane Smith (Fulcrum Publishing, Golden, CO, 1992). Burpee sells greenhouse and cold frame plans, including detailed drawings and materials lists. They also sell a greenhouse kit for a 8.5' x 10' greenhouse. The kit includes the necessary PVC pipe and plastic covering, door, exhaust fan, and hardware; you supply the lumber. You can contact Burpee at 800-888-1447 for ordering information. I also found a patio greenhouse at Gardener's Supply Co. that sits up against an outer wall of your home. You can contact them at 1-800-863-1700. Your library will also be a good source of suppliers and building plans. Best wishes with your project!
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