A Small Backyard Greenhouse for the Home Gardener is a practical extension publication from the North Carolina Cooperative Extension Service that provides complete plans for building an inexpensive backyard greenhouse using PVC pipe, treated lumber, and plastic film. The publication was designed for home gardeners who want a simple structure for starting seedlings, extending the growing season, propagating plants, and protecting crops from adverse weather. According to the guide, the greenhouse measures approximately 12 feet by 14 feet and was originally designed to be built quickly and economically using materials commonly available at building supply stores.
The guide begins by explaining site selection and placement considerations. Gardeners are encouraged to choose a level, well-drained location with appropriate sunlight exposure depending on the intended use. For summer propagation, partial shade may be desirable to reduce heat buildup, while year-round vegetable production benefits from maximum sun exposure. The publication also discusses drainage, accessibility, water availability, and electrical access when selecting a greenhouse location. The structure itself uses a wooden foundation frame with flexible PVC pipe bows supporting a plastic covering, creating a lightweight but durable hoop-house design.
A major portion of the document focuses on construction. Detailed diagrams on page 3 provide complete dimensions and a bill of materials, including PVC pipe, treated lumber, EMT conduit, plastic film, hinges, and fasteners. The instructions explain how to anchor the foundation, attach the PVC ribs, reinforce the structure with a mid-rib support, install end frames and doors, and secure the plastic covering. The guide also discusses different greenhouse covering materials and recommends various plastic films depending on whether the greenhouse will be used primarily for propagation, overwintering plants, or general growing purposes.
The final section explains greenhouse operation and seasonal uses. The authors note that the greenhouse can be used to germinate seeds in early spring, root cuttings during summer, extend vegetable production into fall, and protect container plants during winter. Ventilation, humidity control, heating considerations, and snow-load limitations are also discussed. Overall, the publication serves as an excellent introductory greenhouse-building guide for gardeners, homesteaders, small-scale growers, and preparedness-minded individuals interested in producing food and plants in a controlled environment.
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