We're planning to build a low-budget greenhouse in a clearing behind our house in central Texas, covering it with a good plastic greenhouse film. The main crop will be tomatoes. Our area is overrun with raccoons and, to some degree, possums and skunks as well as a few squirrels and rabbits. Do any of you guys have direct experience with coons tearing through the plastic of a greenhouse? We could just make a fence around it, but that's not feasible because the ground's too rocky. Any advice? I'd hate to build this thing, then have it be torn to ribbons the first night.