The yerba santa plant is an evergreen aromatic shrub that is indigenous to the hills and mountains of California, Oregon, and northern Mexico. It often is cultivated as an ornamental shrub. The hairy, lance-shaped leaves are glutinous, and its flowers are white to lavender in color.

Yerba Santa aids in respiratory problems by reducing the inflammation of the lungs, throat, and sinuses. It also dries out excessive secretions in the upper respiratory tract to cure cough. The holy herb is also a potent herb for the treatment of tuberculosis.

This plant is also a natural remedy for digestive issues. It can relieve indigestion, acid reflux, dysentery, and stomach pain. Yerba Santa has a highly effective action as a digestive tonic and laxative.