200 
VEGETABLE GARDENING 
that must not be planted in the open until there is no 
danger of frost. 
Cucurbitous or vine crops (Group 9) are “tender” 
vegetables that require high temperatures and usually a 
long season, Sandy loams preferred. 
Corn, okra and Martynia. (Group 10.) High temper- 
atures are necessary for the best results. The soil should 
be moist and fertile. 
Perennial vegetables. The soil should be well sup- 
plied with plant food and in the finest physical condition 
before these crops are planted. It should also be enriched 
Although the foregoing method of classification is ex- 
ceedingly valuable, the requirements of crops, even in 
the same group, are so variable that a complete discus- 
sion of each crop is necessary to give accurate cultural 
directions. The vegetables are taken up in alphabetical 
order, because this arrangement makes the book most 
convenient for reference. 
