TREATMENT OF CAULIFLOWER. 1 13 



of Ithaca is excessively cloudy, and that the forcing 

 of plants presents special difficulties here. 



An attempt was now made to keep the plants in a 

 uniform but not exuberant state of vigor to prevent the 

 heads from buttoning. The crop held up well, and on 

 the ist of May, when the experiment closed, there were 

 many merchantable heads unsold. Ninety per cent of the 

 plants made good heads, which is a very large propor- 



37. A head of winter cauliflower. 



tion, even for the best field culture. In this crop, the 

 heads were allowed to attain a larger size than in the 

 midwinter crop, the average diameter being about 6 

 inches. A good head of Snowball is shown in Fig. 37. 

 It is rarely necessary to bleach the heads, as is done 

 in field culture. Late in the season, in April, it may be 

 necessary to break a leaf down over a head now and 

 then to protect it from too hot sun, but ordinarily the 

 heads will be perfectly white under glass, when full 



