Bright orange flesh, copper-colored skin, moist and sweet to taste. Orange sweet potatoes are excellent for baking, roasting or in casseroles. Orange sweet potato varieties include the Covington, Belleview and Beauregard. Due to their popularity with growers on the East Coast.orange sweet potatoes are the most popular variety grown in the USA. West coast production is predominantly supported by the superior flavor and quality of product that is produced in California's perfect growing conditions.