Native to the Gulf of Mexico, Baja California, the West Indies and Namibia, the damiana is grown extensively by sowing in the spring, in a hot, humid climate, and leaves are harvested in the summer, when flowering occurs.

Native to southeastern Europe and western Asia, the elm tree grows in temperate regions. It is cultivated by sowing (in spring) or by root division. It prefers moist soils In autumn, we dig up the root, then cut it to dry at high temperature.