He Builds a Greenhouse from Old Windows
Build a Secure Greenhouse Foundation That Preserves Your Growing Space
Greenhouse plans, 8'x8', free PDF download, cutting list, and shopping list.
Une déco comme un jardin d’hiver
love this, might do it !
Ok, I found the greenhouse I really want. I'll start collecting windows.
earth sheltered greenhouse, hugelkultur integration
This site has a lot of good information on pit greenhouse walipini building. A lot of the details that can make a big difference between an ok greenhouse and a great greenhouse
Raised beds with summer shelters. These covers would also work well in areas with extended fall periods of frost/freeze warnings.