296 VEGETABLE GROWING PROJECTS 



classes one and two may be planted with safety as early in the 

 spring as the ground can be prepared. 



3. " Tender " crops are those which are quickly injured by frost 

 ^- such as snap beans, sweet corn, cucumber, squash, and tomato. 



4. " Very tender " crops are those that may be injured by con- 

 tinued cool weather without frost. They should not be planted 

 until the ground has become warm, usually about May 20 to June 

 10. Such crops are lima bean, eggplant, muskmelon, and pepper. 



1. How are vegetables classified according to temperature require- 



ments ? 



2. What are the vegetables in the several groups ? 



3. When do you think each vegetable should be planted in your 



section ? 



4. Ascertain as many dates as possible of killing spring frosts in 



your neighborhood. 



4. What to plant. — There are three main considerations in 

 determining what to plant in the home garden. Family prefer- 

 ences should have first thought. It is folly to grow any consider- 

 able quantity of vegetables that are not popular on the home 

 table. We should produce an abundance of those for which there 

 is a lively home demand. Second, the food value of the various 

 kinds of vegetables should have special consideration in these times 

 of high food prices. For example, meats are very expensive and 

 it is easily possible to reduce the cash outlay for protein foods, 

 including meats, fish, and eggs, by growing peas and beans, which 

 have a large protein content. At the same time there should be a 

 complete list of the salad plants and other vegetables that are com- 

 posed mainly of the carbohydrates. Those which are rich in the 

 vitamines should also have consideration. Third, we should strive 



