The spice made from dried tarragon leaves is available under the Natco brand. Tarragon is an herb with a distinctive flavor, often used in French cuisine and other cuisines around the world. Tarragon leaves have a delicate but intense flavor that is slightly sweet with a hint of anise. The spice made from dried tarragon leaves can be used to flavor a variety of dishes, including sauces, salads, soups, meats, fish, marinades, and salad dressings. Adding tarragon gives dishes a unique taste and aroma.