Our beloved fast growing, low maintenance, nitrogen-fixing Bean’s come from flowering plants in the Fabaceae family and are classified as legumes. Bush beans are incredibly easy to grow. The package includes green bean provider, purple bean Royal Burgundy, an. d yellow bean Cherokee Wax. Beans contain amino acids, which are the protein building blocks that the body uses to heal and to make new tissues, such as bone, muscle, hair, skin, and blood. Protein is an essential nutrient.