HORTICULTURE 261 



frames. A slight freeze does not hurt celery, but a long- 

 continued freezing spell will destroy it. 



Some kinds of celery seem to turn white naturally. 

 These are called self-blanching kinds. Other kinds need 

 to be banked with earth in order to make the stalks whiten. 

 This kind usually gives the best and crispest stalks. 



FIG. 227. AN ONION HARVEST 



From a photograph made at C. A. Dryer's Willow Brook Farm, 

 South Lima, N.Y. 



Cucumbers and Cantaloupes. Although cucumbers and 

 cantaloupes are very different plants, they are grown in 

 precisely the same way. Some gardeners plant them 

 in hills. This, however, is perhaps not the best way. 

 It is better to lay the land off in furrows six feet apart. 

 After filling these with well-rotted stable manure, throw 

 soil over them. Then make the top flat and plant the 

 seeds. After the plants are up, thin them out, leaving 



