Clary sage is most noted for its tonic effect relating to menstrual problems especially because of its stimulating action on estrogen. It is also a digestive aid. In history, it has been used for many ailments alone and in concert with other herbs. That’s the kind of history you acquire when your effect is so broad. You’re the herb that helps everyone. It is frequently used as an essential oil. The plant itself if a biennial, it lives two years then dies after flowering the second year. It is easy to grow and worth having in your garden.