(((Winter Gardening)) A cold frame with a glass top can give you a growing season, even in Maine, and it's the easiest and most economical way to extend your harvest. Build the one described here, and you're on your way to fresh veggies year round.
Recycled Greenhouse: this greenhouse is made from the windows of an old dairy farm. Virtually all the materials are recycled, save for the galvanized screws that hold it all together. It provides the perfect greenhouse for budding annuals.
I like the little roof over the doors. This is the most beautiful thing I have ever seen. I can't wait for my husband to build my greenhouse with the old windows from my parents house.Old windows and wood pallets greenhouse