Smudging: Blue sage is often used in smudging practices to cleanse and purify a space, person, or object. The smoke is said to wash away the outside world and rid objects of unwanted influences.  
Meditation: The soothing smell of blue sage can help with meditation.  
Aroma: Blue sage can be burned for its relaxing smell.  
Spiritual experience: Blue sage can enhance the spiritual experience and create a serene environment.  
Health: Some say that sage can improve mood, memory, and focus. A study found that drinking sage tea can lower LDL cholesterol and raise antioxidant defenses.