Leaf Lettuce has a mild, delicate flavor, perfect for many types of green salads.
Radicchio is bitter and peppery-tasting when eaten alone, but small amounts add a nice accent to other greens.
Swiss chard has large stems with a delicate flavor similar to celery; leaves have a hearty spinachlike flavor.
Curly endive has a mildly bitter flavor and adds visual interest to salads.
Spinach has a mildly, hearty flavor and is often used raw in salads.
Romaine has large, crisp leaves and a slightly sharp flavor that make this the classic lettuce for Caesar salad.
Arugula has a peppery, pungent flavor that is an ideal contrast when mixed with milder greens.
Iceberg leaves are faithfully crisp and store well. Long prized for its texture and mildly watery flavor.