96 Southern Gardener^ s Practical Manual 



Fig. 10. Hanson Lettuce. Typical mature plants about one-fifth natural 

 size. Bulletin 69, U. S. Department of Agriculture. 



secure a continuous supply from November to July. A 

 simple, cheap coldframe, covered either with cloth or 

 glass — the latter to be preferred, though somewhat more 

 costly — will protect it from our severest cold. It will 

 live through the winter in the open ground in this lati- 

 tude, but makes little growth until early spring. If 

 grown in coldframes, these should be opened during 

 every bright day when the mean temperature in the 

 shade is not below 45° Fahr. Fill the coldframe 

 with soil in which no lettuce has been grown, to the 

 depth of six inches, cover this with three inches 

 of pulverized manure which has been thoroughly fer- 



