Boston is a lettuce that is distinguished by a rounded head. Leaves are yellow-green, broad, and soft textured. They form a ‘rosette’ pattern and provide mild flavor. Boston lettuce is available year-round with a peak season summer through fall.
Characteristics: One hundred grams of Boston lettuce contains 1 gram of iron. It provides calcium, magnesium, phosphorus and potassium and is good source of vitamins A and K. This lettuce is very low in sodium and saturated fat.
Temperature:The best temperature for Boston lettuce is 41 degrees.