Lemon verbena

Lemon verbena ("Aloysia citrodora") is a type of flowering plant in the verbena family. It can also be called lemon beebrush. Its tiny flowers bloom purple or white in late summer.
Uses.
Lemon verbena leaves are used to add a lemony taste to fish and poultry dishes, vegetable marinades, salad dressings, jams, puddings, and beverages. It also is used to make herb tea.