Blue Sage Blue Sage is known as "Grandmother Sage". Blue Sage is also called Grey Sage or Rocky Mountain Sage, but the color is light grey blue and the aroma is of sweet mountain air and a slight fresh scent. It is a bit sweeter and softer than the White Sage, but for some people, it can have a very penetrating smell. Sage (Salvia apiana) is traditionally used to transform negative energies, cleanse people or cleanse places. Sage smoke neutralizes positive ions in our auras and spaces. Use it to cleanse, purify and protect people and places. Blue sage is also very earthy. Use Simply use one end of the Smudgestick. Let it burn until it starts smoking and extinguishes the flame. If necessary, accompany the smoke with a spring. Remember: when you smudged, ask the spirit of the sacred plants for help. These should be respected for their healing properties.