Washington Navel Orange tree produces exquisit yet scrumptous navel oranges that will generally ripen between late fall and early winter. This specific navel orange has a great shelf life if your looking to store some back for a later time to enjoy eating. The Washington Navel Orange is a well known navel orange for its distinct sweet flavor, which has been widely considered by many to be the sweetest navel orange around. Make sure your area of planting this popular citrus tree is where it will get as much sunlight as possible during the day. (USDA Zones 9-11b)