The free greenhouse plans listed include diagrams, illustrations, photos, written building instructions, frame materials, tools, and everything else you need to build your dream greenhouse in all different sizes and styles. DIYers can also find free plans online to build a shed, potting bench, or pergola to go with your greenhouse. Depending on what size you want—small to medium or large—building a DIY greenhouse may almost always be cheaper to complete on a budget than buying a premade version, especially if you’re able to score recycled materials. Here are 12 free greenhouse plans to get you started. Barn Greenhouse from Ana White It also has other posts on its greenhouse about how to arrange plants within it, how to cover it, how to add a hot water tank, and more. GeoDome Greenhouse from Northern Homestead Greenhouse With Sleeping Loft from Mother Earth News Polythene Greenhouse from BuildEazy 14-Foot Greenhouse from HowToSpecialist Recycled Window Greenhouse from Instructables 16-Foot Greenhouse from HowToSpecialist 10-Foot Greenhouse from HowToSpecialist Little Window Greenhouse from Crafts a la Mode Arched PVC Greenhouse from PVC Plans 32-Foot Greenhouse from Florida Gardner 8-by-10-Foot Greenhouse from BuildEazy
