CALENDAR OF OPERATIONS 215 



MARCH 



Mean temperature of Soil at i ft. deep, 40. 96. Air, 4O.49 

 (Paris 42). 



Lettuces. Cos varieties may be planted in the hot- 

 beds. In beds sown with Radishes, Lettuces, and 

 Carrots in January, the Radishes will have been all 

 gathered by this time, leaving only the Lettuces and 

 Carrots. " Passion " Lettuces in frames must be 

 well ventilated both day and night. 



Melons. Young plants will be ready for planting in 

 frames at end of this month, and should have the 

 main shoot stopped beyond the second leaf as early 

 as possible. 



Cauliflowers. Sow seeds of "Lenormand" for 

 growing in old hot-beds in the open during the 

 summer months. Cauliflowers from seeds raised about 

 the middle of last September, and pricked out in 

 October, should now be planted on the hot-beds 

 containing Carrots. They may also be planted in 

 beds with Cabbage Lettuces and Spinach or Radishes. 



Protection. Mats must be placed over cloches and 

 frames at night when frost is anticipated. They 

 should not be removed in morning until after the 

 thaw has set in. 



Cucumbers. Seeds of long green varieties may be 

 sown between the middle of March and middle of 

 April, to be ready for final planting about the end of 

 May. 



Carrots. The last sowing of " Half-long " varieties 

 on hot-beds is made early this month, also under 

 cloches, and in the open borders. Radishes may be 

 sown at same time amongst those on hot-beds. 



