How many types of lettuces are there?
How Many Types of Lettuces Are There
Certified GKH Gardening Expert
While there are literally hundreds of individual varieties of lettuce, all of them actually derive from 5-6 main categories or groups. These include: Butterhead, Chinese lettuce (Stem lettuce), Crisphead (which includes Iceberg), Looseleaf (Bunching), Romaine, and Summer crisp (this one is not always named).