This is our Garden Greenhouse made of old wooden windows. Nail four together for the bottom. Then hinge two together for the top so that one side opens. Use "L" brackets for holding the top windows to the bottom ones. Used a piece of 1x2 foot wood for bracing, then nailed it to an old end table.
Source: Husband's imagination and many different websites.
By Sue Hinely from Ludowici, Georgia