CHAPTER XXV 
VEGETABLES 
HILE tomatoes and cucumbers require a 
\ \ high temperature, lettuce may be grown 
easily all the year round. A good 
method is to grow three crops of lettuce during the 
fall and winter, and follow with tomatoes and cu- 
cumbers in the spring, when the high temperature 
required can be more easily maintained. 
Lettuce is a low-temperature plant, and there is 
no reason why the small greenhouse owner should 
not be able with ease to supply his table constantly 
with this delicious salad. As with the carnations, 
and violets, if there is no part of a bench that can 
be devoted to the lettuce, a few plants can be grown 
in pots. If this method is used, the seedlings should 
be pricked off into small pots. When these begin 
to crowd they will have to be given six to eight 
inches of room, and the pots plunged in soil to 
their full depth. But it will be more satisfactory 
to devote a part of a bench, a solid one if possible 
and in the coldest part of the house, to the lettuce 
plants. Well rotted manure, either horse or mixed, 
and a sandy loam, will make the right soil. The 
first sowing of seed should be made about August 
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