Black sage is used to encourage visions and vivid dreams. When burned during or before bedtime, this herb aids in a pleasant dream and a night of restful sleep.Also used for Cleansing and Purifying. It helps increase the positive energy in your home by removing all the negative and harmful energies.(Black Sage) Mugwort is a small, highly aromatic, evergreen shrub of the genus Salvia mellifera native to California. This sage is wild grown.