Cymbopogon citratus is grown mainly in Southeast Asia, India and other tropical countries. It only yields its aroma when it is cut, imparting the lemon flavor. It is mainly used in stir-fry dishes, but also used in soups, curries and pickles, it goes well with coconut milk. As medicinal the oil has been used in ointments for the treatment of rheumatic conditions and for sprains. Also used for athlete's foot and the treatment of lice. In aromatherapy its antiseptic properties are said to be excellent for aching feet.
Propagate by division in Spring.
Requires well-drained soil. Stems are cut at ground level for use fresh or dried.
It is possible to grow it as an ornamental house-plant in temperate climates, provided its surroundings are kept at a suitable temperature.
The world's tallest-growing tree is the coast redwood (Sequoia sempervirens), which grows along the Pacific Coast of the United States, mainly in California. Interestingly enough, it's not the world's oldest-growing tree; that award goes to a bristlecone pine (Pinus aristata).