Pycnanthemum pilosum, commonly known as the hairy mountain mint, American mountain mint, and whorled mountain mint, is a herbaceous perennial plant in the genus Pycnanthemum native to North America.

Pycnanthemum pilosum is a herbaceous perennial plant.

[1] Blooms are present from July to September.

[2] It can be found in the eastern and central United States.

[2] Pycnanthemum pilosum is protected in Michigan.