Green leaf lettuce has a mild flavor with slightly bitter undertones. It produces semi-frilled loose leaves with colors varying from lime green to cream. The inner leaves of green leaf are lighter in color. The texture is consistently crispy and succulent.
There are about 15 calories in one-half cup of green leaf lettuce. It is one of the best sources of vitamin K, and one hundred grams of green leaf lettuce has 10 percent of the recommended daily intake of vitamin C.
Temperature:The optimum temperature for green leaf lettuce is 32-41 degrees.