Use a free DIY greenhouse plan to build a backyard greenhouse that allows you to grow your favorite flowers, vegetables, and herbs all year long. Greenhouses provide seedlings and plants with warmth in the winter and cool in the summer, letting you participate in your favorite hobby every day of the year.

The free greenhouse plans listed include diagrams, illustrations, photos, written building instructions, materials/tools list, and everything else you need to build your chosen greenhouse.

After you've used one of these free greenhouse plans to build your DIY greenhouse, come back and browse other free woodworking plans to help you build a shed, picnic table, dog house, pergola, potting bench, cabin, or chicken coop.