what is citronella made from
CITRONELLA OIL Overview Information. Citronella oil is made by steam distillation of certain species of grasses in the Cymbopogon grouping of plants. Ceylon or Lenabatu citronella oil is produced from Cymbopogon nardus, and Java or Maha Pengiri citronella oil is produced from Cymbopogon winterianus.Lemongrass (Cymbopogon citratus) also belongs to this grouping of plants, but it is not used to make citronella oil.eylon or Lenabatu citronella oil is produced from Cymbopogon nardus, and Java or Maha Pengiri citronella oil is produced from Cymbopogon winterianus. Lemongrass (Cymbopogon citratus) also belongs to this grouping of plants, but it is not used to make citronella oil.