Snap beans are believed to have originated in Central America and were distributed widely over both Americas by the Indians. They were introduced into Europe and Asia soon after their discovery and quickly became popular. They were mentioned in Europe about 1542. It has been only in the last 100 years, however, that truly stringless snap beans, as we know them today, were developed.
Green beans are a good source of dietary fiber and a good source of vitamin C and folic acid.
Beans are also an important source of potassium and many micronutrients. Green, Yellow Wax. They should also be free of decay or blemishes and snap easily when bent. The smaller beans are usually more tender. Avoid beans that are wilted or have brown rust spots on the skin.