Found on prairies wet and dry and in open areas throughout the Tallgrass region. Dense clusters of white flowers bloom from July through September. Usually grows 2 to 3 feet tall. Leaves extremely narrow; typical square stem of the Mint Family. Flowers are very fragrant.

The Meskwaki used this plant as an unspecified remedy and for baiting their mink traps. The Potawatomi believed a tea made from the leaves of this plant to be the best tonic for revival from exhaustion or a generally rundown condition. Early settlers used a poultice including P. tenuifolium on dog and other animal bites to prevent rabies. A leaf tea served as a general tonic and as a treatment for indigestion. They also used the leaves as a seasoning in cooking.

Edible Uses: Unknwon

Medicinal Uses: Unknown

Herbal Uses: Unknown