tree tubes are like a mini greenhouse that protects the

tree tubes are like a mini greenhouse that protects the tree from deer and rabbits, but also forces the growth upward. this siberian crabapple is on its third summer and just finally cleared the five if tube. I'll replace it this fall with hardware cloth, we still need to protect the tree from everything from voles to deer at our place, but the tube is just for this initial period then it can be reused. once there are branches, we wouldn't be able to just lift it off.