History and Facts:
The earliest cultivated lettuces were the loose-leaf types. The loose heading and the firm heading forms occurred much later. Modern forms of lettuce are believed to be derived from a wild form that grows as a weed in most areas where lettuce is found.

Nutritional Value:
Lettuce is very low in calories, and provides desirable roughage for improved digestion. Lettuce, especially the greener types, provides a useful amount of vitamin A, vitamin C, iron and potassium.

Lettuce should be stored at 32 degrees fahrenheit with a relative humidity of 98 to 100 percent. Under these conditions, lettuce should store well for two to three weeks.

November through May

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