It’s that time of year when I try to push the gardening limits with winter ending and spring starting. The greenhouse is getting final cleaning to prepare it for the real season that will begin soon. And hot houses and cold frames will appear in the backyard. Living in a zone 5 climate you learn to push your growing season. photo credit: forestgladesiwander As I was gathering up my materials for a Straw Bale Cold Frame I was also thinking of...