Melissa officinalis, known as lemon balm, balm, common balm, or balm mint, is a perennial herbaceous plant in the mint family Lamiaceae, native to south-central Europe, North Africa, the Mediterranean region, and Central Asia.
The Capensis large, elegant blue flowers are held well above the water at the tip of a sturdy green stalk. This plant blooms repeatedly from mid-spring to early fall.