Cold Frames are a great way to extend the growing season. As simple as a few cinder blocks and an old window pane and you good to grow. There are so many sites out there that have directions on how to build a cold frame so there is no need for me to recreate the wheel. However, here are a few tips. Don''t use pressure treated wood or oil base paints on other wood. I just am not comfortable with any of these chemicals possibly leaching in to the soil.&nbs...