216 FRENCH MARKET-GARDENING 



Leeks. Sow in open air (see p. 141). 



Spinach. Sowings may be made between other 

 crops such as Lettuces (Cos and Cabbage), Endives, 

 Cabbages, etc., or in separate beds. 



Sorrel may be sown during the spring and summer 

 to keep up a supply of leaves. 



Cabbages. Sow for summer and autumn crops in 

 the open air, and hoe between the Ox-Heart varieties 

 in the open air. 



Onions. Early in the month seedlings that were 

 not disturbed in the beds should be planted out. 



Turnips. The lights should be taken off these on 

 all fine days and even at night if no frosts are feared. 

 Mats should be handy for covering in case of sudden 

 frosts. 



Dandelions. Seeds may be sown now and at 

 intervals until June to produce plants for autumn and 

 winter salads. 



APRIL 



Mean temperature of the Soil at i ft, deep, 46. 47. Air, 46. 57 

 (Paris 48). 



Cauliflowers. After the first batch of Lettuces under 

 cloches have been cleared, and the glasses have been 

 moved over the other rows (as explained at p. 163), 

 Cauliflowers may be planted in the places left vacant 

 by the Cos Lettuces. 



Cauliflowers from seeds sown in September may be 

 planted in the open air about 2 to 2\ ft. apart 

 (see p. 113). 



Cabbages. By the end of this month the " Ox 



