Lemon Balm

70 days. Lemon Balm is a popular ingredient of herb teas, having a pleasant flavor and calming effect.  Fresh leaves give a lemon flavor to salads, soups, sauces and meats. It is a perennial with a 4-angled stem and ovate, toothed leaves 1 ½ -3 inches long. Plants grow up to 30 inches tall and produce insignificant pale yellow flowers in summer.