Lemon verbena
From Cookipedia
Lemon verbena or Lemon beebrush, Aloysia triphylla) is a deciduous perennial shrub native to Argentina, Paraguay, Brazil, Uruguay, Chile, and Peru. This plant was brought to Europe by the Spanish in the 17th century.
It grows to a height of 3 to 7 metres and exudes a powerful lemony scent. It prefers full sun, a lot of water, and a light loam soil. It is sensitive to cold, losing leaves at temperatures below 0°C although the wood is hardy to -10°C.
Culinary uses
Lemon verbena leaves are used to add a lemony flavour to fish and poultry dishes, vegetable marinades, salad dressings, jams, puddings, and beverages. It also is used to make herbal teas and can make a refreshing sorbet.