Plant has small light green leaves that has a strong mint fragrance.  Generally not for Human consumption or direct skin contact ( can cause a rash in some people).  It is used as a critter repellent from rodents to insects.  Also is a good flea repellent.  Make into a spray for repellent.  It grows 6-12" tall and spreads 20-24" in full sun to part shade.  Perennial.  Zone  7-11.