This paper is the first detailed report of straight chain and branched esters in Australian geranium oil. Hydrodistillation of 41 samples of Australian-grown rose geranium(Pelargoniunhybrid) produced oils containing four detectable parent alcohols; 2-phenylethanol (0.9%), citronellol (16.9%), nerol (0.9%) and geraniol (11.3%) and 47 of their esters. The esters present were formates (19.7%), tiglates (4.0%), propanoates (2.4%), butyrates (1.6%), iso-esters (1.2%), acetates (0.8%) and other esters (0.3%). Gas chromatography using a non-polar BPX-5 column, separated the esters with citronellyl esters emerging regularly before neryl (ΔRI = 9) and geranyl (ΔRI = 33) esters. Iso-esters emerged before their straight chain namesakes (ΔRI = −50).