Sweetgrass has many ceremonial uses among most Indian tribes and if often used in conjunction with sage.
Its smoke is used for prayer, cleansing and as a healing agent. Sage is first burned to drive away any negative forces, then sweetgrass is burned to summon positive ones.
It is frequently used in Sweat Lodge ceremonies, tied to traditional bustles and used as a sachet for clothing. Sometimes known as Marsh Hay, and in Lakota it is called Sink'pe tawota.