Tarragon is a flavorful herb that is used to season salads, meats and other dishes; hardy plants grow to 40 inches. Used fresh or dried.--Tarragon Seeds Tarragon is a herb used either fresh or dried. Tarragon is also known as Estragon. It is a perennial plant belonging to Asteraceae, to which sunflower also belongs. Artemisia dracunculus is the botanical name for Tarragon. Growing Tarragon is from seeds. This pack has minimum of 40 to 50 seeds.