Bushy aromatic herb ( Artemisia dracunculus ) of the composite family , the dried leaves and flowering tops of which are used to add tang to many culinary dishes.
Tarragon is a common ingredient in seasoning blends, such as fines herbes. The fresh leaves are used in salads, and vinegar in which fresh tarragon has been steeped is a distinctive condiment. The plant is probably native to Siberia; a French variety is cultivated in Europe and North America.