Cymbopogon citratus - Evergreen perennial edible and medicinal herb. A favourite in Asian cooking, and looks great in the kitchen garden. Dried leaves can be used to make a refreshing, lemony tea. A tropical plant, that will happily grow in warmer temperate areas. Not frost hardy. Highly aromatic blue green grass like leaves, can grow up to 90cms long, with a clump forming growth habit.