Description
Mentha – Mint –
There are about 25 species of aromatic, evergreen or semi evergreen, rhizomatous perennials, rarely annuals in this genus. They are distributed in Europe, Asia, And Africa, often found in shallow water or wet or moist soil. Erect, branching stems bear lance shaped to rounded, light to dark green, purple, blue, or gray-green leaves. The tubular to bell shaped flowers are weakly 2 lipped, each with 4 spreading lobes and leafy bracts. They are borne in summer, in spikes of whorl like clusters, or occasionally in a single, terminal cluster. Mints are widely used as culinary, fragrant, medicinal and industrial herbs.
Grow in a herb or vegetable garden, the less invasive species are also suitable for a herbaceous border. M. aquatica is useful for stabling the muddy edged of a pool, M. pulegium can be used as a low groundcover, and M. requienii is useful for a moist, shady rock garden. All attract bees, most dry well for use in herbal and potpourri.
Grow in rich, moist soil in full sun. Restrict spread of invasive species by planting in deep containers and plunging into the soil (leaving an inch of the rim above soil level), or by growing in small, confined beds to restrict root run. M. aquatica can be grown in containers submerged in water to 6″ deep. Divide in spring or autumn.
Prone to powdery mildew, rust, leaf spot, anthracnose, and stem canker.
M. pulegium – European Pennyroyal Mint – Pennyroyal – This spreading perennial found from Europe, Mediterranean to Iran and Asia grows 4-16″ tall and 18-20″ wide. From upright and procumbent stems it carries short stalked, narrowly elliptical sharply aromatic, gray green leaves, to 1 1/4″ long, hairy beneath. Widely spaced, leafy upright whorls of tubular pale lilac to white flowers, to 1/4″ long, are borne in spikes in summer and early fall.
Zones 7-9
