Use the leaves for fresh flower arrangements or dry them for potpourri. Pineapple mint has variegated leaves that have a mild apple mint flavor. It grows to about 16 inches and complements flowering herbs, such as white-flowering garlic chives. Corsican mint is a tiny, creeping plant that only reaches an inch high. Use it between rocks in a moist, shady walk.
English pennyroyal is an old-fashioned medicinal plant.
It's used primarily as an insect repellent today. It will tolerate full sun if given evenly moist soil, and it makes an interesting fragrant ground cover or lawn plant.