Perennial.
Hyssop (Hyssopus) is a genus of about 10-12 species of herbaceous or semi-woody plants in the family Lamiaceae, native from the Mediterranean east to central Asia. They are aromatic, with erect branched stems up to 60 cm long covered with fine hairs at the tips. The leaves are narrow oblong, 2-5 cm long. The small blue flowers are borne on the upper part of the branches during summer.
