226 Gardening Under Glass 



Spinach, Parsley, Mint, and Watercress suffi- 

 cient to give a limited supply from November 

 to May. In addition to the crops that may be 

 grown during the entire winter, there are others 

 that may be had until December 1st or later, 

 and again during the month of May, when they 

 cannot be grown in the open ground. 



Cauliflower and Brussels Sprouts may be had 

 even as late as the holidays. Tomatoes and 

 Eggplant may be planted late in the summer in 

 deep frames, and fruit had for the table long 

 after frost has destroyed the outdoor plants. 



The season of productiveness of nearly all 

 summer vegetables may be advanced from two 

 to three weeks in the early spring and summer, 

 by sowing the seeds in coldframes. That cold- 

 frames are of great value to the gardener is 

 proved by the fact that they are important ac- 

 cessories to nearly all large private and commer- 

 cial greenhouse establishments. 



These same frames may be supplied with some 

 form of artificial heat which will transform them 

 into *' hotbeds." The most common method of 

 making hotbeds is to excavate a pit to a depth 

 of eighteen to twenty inches and in area about 

 six inches less the length and width of the frames. 

 This pit is then filled with manure fresh from the 

 horse stable, or, if convenient, have about one 



