THE APRIL CALENDAR 



167 



the hardy bulb crops — leek, onion; the hardy cole crops — Brussels 

 sprouts, cabbage, cauliflower, kohlrabi, kale; the hardy pot herb 

 and salad crops — dandelion, spinach, celery, chard, lettuce, 

 parsley; the smooth hardy peas of the pulse crop group and the 

 early hardy varieties of sweet corn. 



Plant early varities of potatoes, and onion sets for bunch onions. 



Transplant early cabbage plants from cold-frames and young onion 

 seedlings from seed boxes. 



Harden off toward the end of the month early tomato plants by 

 placing them on a sheltered porch or some place where they can 

 be protected at night. 



