226 Gardening 
States Relations Service 
Fic. 129. A boy’s successful crop of leafy vegetables. 
for the leaves which they produce. In the discussion of 
these various crops it is convenient to group them into 
classes according to the way the young plants are started 
and the season when the crop matures. 
LEAFY CROPS PROPAGATED VEGETATIVELY 
This class includes rhubarb and four bulb-like plants 
of the onion family — chives, shallots, garlic, and 
bulblet onions. With the exception of garlic, these vege- 
tables are ready for use early in spring. Chives and the 
bulblet onions are hardy perennials that may be left in 
the ground during the winter. 
Rhubarb or pieplant. This plant thrives anywhere 
in the United States except in the lower planting zones. 
In the northern sections it is a long-lived or perennial 
