Iceberg lettuce is one of the longer-lasting varieties. Unlike delicate leaf lettuce, its sturdy, round shape with tightly wrapped leaves can last up to two weeks in the refrigerator. To make sure ...

What's the most popular type of lettuce? Iceberg lettuce is by far the most popular type of lettuce in the U.S. with nearly 48% of the country's category share, per Statista. Romaine lettuce ...