Wood is less expensive easier to work with and suitable for small to medium size greenhouses.
Diy greenhouse wood. 12 wood greenhouse plans you can build easily wood frame greenhouse plan. Large greenhouse plans 16 wood framed greenhouse. Then build the structure with pvc pipe. You lay the perimeter of the greenhouse with wood.
Straw bale cold frame source. This is a very sturdy greenhouse especially if you buy a thick greenhouse plastic for it. 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. This diy structure can be created in any size needed and can be semi permanent or permanent.
Metal is stronger and more weather. Farmhouse diy greenhouses using old windows. The one thing they do differently with this greenhouse is laying black mesh fabric on the bottom of the greenhouse and add many tables to hold the plants. This charming little greenhouse is made from 4 window panels and 2 plywood panels.
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. Storey high mowing seeds. However i would use real wood panels made from 1 4 wood slats or similar if the greenhouse is exposed to lots of rain and moisture. The authors sealed the plywood walls.
Finally go over the structure with plastic for insulation.