210 THE SCHOOL GARDEN BOOK 



are enough ladybird beetles present to kill the aphides; if not, 



spray with sulpho-tobacco soap or other insecticide. 

 Lift bulbs of hyacinths and tulips as soon as the leaves have ripened 



and store in the cellar till fall. 

 Remove the yellowed leaves of the daffodils as soon as they ripen. 

 Mow the grass where the crocuses are as soon as the crocus leaves turn 



yellow. 



Vegetables 



Sow, for succession, beet, turnip, cabbage, lettuce (black-seeded Simp- 

 son variety), beans, wrinkled peas, cucumber (main crop for 

 pickles), sweet corn. 



Plant potatoes for main or late crop, if not already done in May. 



Transplant to permanent place, cabbage, cauliflower, celery, tomato, 

 pepper, egg-plant, unless this has already been done late in May. 



Rake the soil surface frequently to keep it finely pulverized, and thus 

 prevent growth of weeds and loss of soil moisture. 



Thin and weed root, bulb, and salad crops planted in drills — beets, 

 carrots, turnips, salsify, onions, lettuce, celery, parsley; also sweet 

 corn and vine crops planted in hills. 



Harvest early crops — Radish, onion from sets, spinach, lettuce, peas. 

 Replant the ground at once. 



