Plant has 1"long dark green leaves with blue violet flowers. The leaves have a slight mint flavor that can be used in teas, perfumes, soaps, salads, soups or cooking. They can be used fresh or dried. Hyssop has antiviral properties that help relieve coughs, cold and flu and commonly combined with horehound. It grows 18-24" tall in full sun to part shade in well drained soil. Perennial. Zone 3-9.