It’s spring, which means time to spend the weekend doing little projects in my garden. Some of you may remember last spring when I built my cold frames. They were nice cold frames, but I didn’t take into account the famous winter winds of Livingston. The cold frames didn’t weather winter particularly well — the old storm windows I used blew off and the glass all broke, and the heavy-duty plastic sheeting also shredded over time. So I ordered some corrugated plastic a few weeks ago, figuring it would not only be tougher than the original cold frame coverings, but…