It is grown commercially in Sri Lanka, India, Burma, Indonesia and Java. Its graceful arching leaves and overall vertical form provide subtle opposition when planted near bushy or rounded shrubs and flowers. Citronella is clump-forming tropical grass, the clump increases in size as the plant matures. Plant it along a walkway or near the porch where its fragrance can be appreciated. The plant is the source of the commercial citronella oil, used in perfumery and as an insect repellent. Inexpensive soaps sold in Asian markets are scented with citronella oil. Citronella oil can be mixed with other vegetable oils and used in massage or rubbed on the skin for an insect repellent. The essential oils extracted from citronella grass are much used in aroma therapy as a stimulant when inhaled or rubbed on the skin, and an antiseptic that can be used to sterilize food preparation surfaces. It is reported that citronella oil repels cats. Inhaling the essential oils of citronella may increase heart rate in some people. Rhizome is used medicinally as a treatment for leukorrhea.