Flowers: Narrow and pointed spikes of lilac-pink flowers in mid-summer.
Culture: Moist, fertile soil in light shade (or in full sun to slow growth). Keep roots contained and divide often to prevent legginess or invasiveness.
Orange Mint (M. citrata) has rounded, dark green leaves.
Apple Mint (M. suaveolens) has a fruity flavor used in drinks.
Pineapple Mint (M. suaveolens 'Variegata') 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.
English Pennyroyal (M. pulegium) is an old-fashioned medicinal plant. It is used primarily as an insect repellent today. It will tolerate full sun if given evenly moist soil, and it makes an interesting fragrant groundcover or lawn plant.