Crops Grown for Their Leaves 257 
therefore be had from the home garden in quality, variety, 
and quantity sufficient for the needs of the family. 
Questions 
In general, what conditions are best for the development of 
leafy crops? What conditions are unfavorable? Why are most 
leafy vegetables best when fresh? What leafy crops are propa- 
gated vegetatively? Which of these are hardy perennials? 
Describe the propagation and culture of rhubarb. 
What are onion sets? How are they obtained from seed 
onions? What are the advantages of planting onion sets? the 
disadvantages? What are the important points to remember in 
onion culture? When should onion bulbs be pulled? What is 
meant by ‘‘cut-and-come-again” vegetables? What are the 
general requirements for this class of leafy vegetables? How 
is Swiss chard grown? Describe the culture of New Zealand 
spinach. 
Describe the general method of growing and storing endive. 
How is Witloof chicory (French endive) grown to produce salad 
crops for winter use? 
What leafy crops are grown by the transplanting method? 
How is celery grown? Describe the various methods of blanching 
celery. Which is the most practical of these? Tell how you 
would proceed to raise a crop of late cabbages in the Northern 
states; in the Southern states. What special conditions do 
Brussels sprouts require? Describe pe-tsai. What special 
attention does head lettuce require? What leafy cropsare grown 
from seed planted directly in the garden? Why is thinning 
especially necessary for these crops ? 
Things to Do and Observe 
1. To determine the best leafy crops for your locality. Find out 
which leafy crops are generally grown in your vicinity. Inquire 
especially if pe-tsai and French endive are being raised. 
2. To learn the best ways of growing leafy crops. Talk with 
other gardeners in your neighborhood about the proper methods 
of growing leafy crops. Compare the results of their methods 
with yours. Which method proved to be the most successful ? 
If the methods were the same and results different, try to determine 
the cause of the difference. 
