ii8 GARDEN PROFITS 



Ventilating. Airing or ventilating should be 

 watched, for the weather in March is very uncer- 

 tain. Some days, the temperature outside will 

 be as high as 55 in the shade, while other days will 

 be dull and cold, with the temperature below the 

 freezing point. As soon as the seedlings are up, 



A simple device for ventilating hotbeds and coldframes. The 

 notched support may be hinged in a slit in the wall of the bed, or may 

 be so made as to fit down over it, so that it may be removed when the 

 sash is closed 



air the frame on all days when it can be done with- 

 out submitting the plants to danger of frost and 

 cold draughts, and close them about fifteen min- 

 utes before the sun is off them. While the seed- 

 lings are small, keep the temperature of the frames 

 from 55 to 65. 



Watering. Water the plants in the frame be- 

 tween ten and two o'clock, so that they may have 



