RT1JOANCert. BD/OGNEW!Joan is a rutabaga which is like a turnip but it is yellow orange and stores all winter long. Joan is in fact one of the best rutabagas for flavor and over all texture. Sow outside beginning in July at least 50 days before your first autumn frost and keep moist until germintated in the summer heat. Thin to 3 inches in rows at least 12 inches apart.