I have two winter tunnels covered with a few layers of winter fabric and one of green house plastic on the top. I also have a half bed of cabbage covered with a couple floating layers of winter row cover fabric. They are all doing well this winter. In this time of short daylight, I don’t expect the plants to grow much. But it’s nice that they are hanging in there. No rodents are eating them and surviving the cold, which is awesome. The plant’s growth will take off mid February when they get more light. The spinach is my favorite.