Beans are usually divided into 3 types, though there is considerable overlap. 1) Green and Yellow Snap Beans: These Beans used to be called String Beans, but the string has been bred out of the most varieties. They come in bush and pole varieties. Pole Beans require some form of support and produce the highest yield. 2) Shell Beans: These include Lima Beans, Southern Peas and Horticultural Bea