Lemon balm (Melissa officinalis) is a perennial herbaceous plant in the mint family. It grows to a maximum height of 1 m (3+1⁄2 ft) and the leaves have a lemon scent. During summer, small white flowers full of nectar appear. The species is native to Eurasia and naturalised elsewhere.
The leaves are used as a herb, in teas and as a flavouring. It is grown as an ornamental plant and for its oil (to use in perfumery). It has been cultivated (and used to attract honey bees) since at least the 16th century.