Citronella comes in two main types java and ceylon absolute aromas has introduced an oil from sri lanka which is the only source of the ceylon type produced from the lenabatu variety of citronella grass java type is produced in many countries other than indonesia in particular china citronella is very widely used in household cleaning products and insecticides citronella has a powerful lemon aroma which blends well with all citrus and woody oils for a natural air freshener