364 Glass 



and soil may freeze. Give freely of ventilation. Strip 

 the frames on all fine days. If the ground is frozen, the 

 plants may stand several days under a cover of snow on 

 the sash; but if the ground is soft, so that root action 

 goes on, the plants should not be kept close and dark for 

 more than a day or two. 



In the middle States, the plants are sometimes carried 

 over winter without frames, if they are in a protected 

 place. As far south as Norfolk, cabbages are planted in 

 the field in late fall. Check all winter growth, prevent 

 sudden thawing if possible, try to avoid sim-scalding. 



