Crispheads form tight, solid heads and are the most common type found in markets.
Loose heads form a head with large leaves loosely covering a light-color center.
Cos or romaine form heads that are tall and upright. Loose-leafs do not form heads. There are many varieties of lettuce that do well in our area. One such variety is a loose head or bibb lettuce called Buttercrunch. Highlights Buttercrunch has been an excellent performer giving consistent yields.