The sweet-scented finely cut foliage is widely used in potpourri and wreath-making (stems). Essential oil from the foliage is used in the perfume industry. The plant has been used in China for centuries to treat malaria, tuberculosis, dyspepsia, dysentery, jaundice, boils and eye diseases. Antiseptic and antibacterial. Contains artemisinin - one of the most effective anti-malarial compounds, now showing promise in treating Lyme disease and cancers. Fast growing annual. Reseeds.