In winter there’s sometimes heavy snowfall or there’s cold outside. So, in order to protect our precious plants we need to be careful about the use of the greenhouse. In winter, we should fix a few heaters inside the greenhouse according to its size. And before the snowfall or when the temperature will start falling, we should zip up the door and close the windows of the greenhouse. And because of the heavy wind sometimes the green house can destroy. So, we should also put some bricks on every corner of the greenhouse.