[3][4][2][5] It prefers rocky, gravelly or sandy soil, and typically grows in woods, thickets, fields, and hills.

[citation needed] It is listed as an endangered species in Vermont and New Hampshire, and in Ontario where there are only two remaining populations located within a single stretch of oak savanna near Burlington.

Pycnanthemum means "dense flower-clusters" in Greek, and the flowers are favored by butterflies, moths, honeybees, and some species of wasps.

There are two varieties:[2][failed verification] When crushed, the leaves emit a strong minty aroma, and are often used to flavor teas.

The Choctaw put the mashed leaves in warm water, which the patient drank, and which was poured over the head to relieve headaches.