Lemon Balm is a lemon scented perennial. It grows wild in fields and gardens and along roadsides. It has an upright stem that grows as high as 3 feet. Oval toothed leaves and minor yellow flowers are produced in auxiliary clusters in summer. Lemon Balm is used internally to treat nervous disorders, indigestion and/or excitability developing from nervous disorder, hyperthyroidism and depression, anxiety, palpitations and tension headaches. It is often used for sleeplessness and also for nervous stomach disorders in both children and adults. Fresh lemon balm leaves are used to give a lemon flavor to soups, salads and sauces.