BUTTERHEAD: With soft buttery
leaves, loosely packed like a large open rose. Other varieties are
buttercrunch, mignonette, festive, bibb and cabbage lettuce.
COS LETTUCE: Enlongated head with
crisp leaves tightly wrapped. Other varieties are romaine.
CRISPHEADS: Heavy firm round and tightly packed
lettuce sometimes called Iceberg.
EXOTIC:
Can be hydroponic grown, many varieties.
LEAF LETTUCE: Has loose crisp leaves
branching from the stalk and does not form a head. Sometimes called
Lamb's Head or Salade de Mache.
METZUMA: Japanese origin has a dark green feathery leaves.