Description thumb|Spearmint in Bangladesh Spearmint is a perennial herbaceous plant. It is tall, with variably hairless to hairy stems and foliage, and a wide-spreading fleshy underground rhizome from which it grows. The leaves are long and broad, with a serrated margin. The stem is square-shaped, a defining characteristic of the mint family of herbs. Spearmint produces flowers in slender spikes, each flower pink or white in colour, long and broad.Huxley, A., ed. (1992). New RHS Dictionary of Gardening. Macmillan . Spearmint flowers in the summer (from July to September in the northern hemisphere), and has relatively large seeds, which measure . The name ''spear'' mint derives from the pointed leaf tips.Turner, W. (1568). Herbal. Cited in the Oxford English Dictionary.
Description thumb|Spearmint in Bangladesh Spearmint is a perennial herbaceous plant. It is tall, with variably hairless to hairy stems and foliage, and a wide-spreading fleshy underground rhizome from which it grows. The leaves are long and broad, with a serrated margin. The stem is square-shaped, a defining characteristic of the mint family of herbs. Spearmint produces flowers in slender spikes, each flower pink or white in colour, long and broad.Huxley, A., ed. (1992). New RHS Dictionary of Gardening. Macmillan . Spearmint flowers in the summer (from July to September in the northern hemisphere), and has relatively large seeds, which measure . The name ''spear'' mint derives from the pointed leaf tips.Turner, W. (1568). Herbal. Cited in the Oxford English Dictionary.