An iconic Australian tree, Eucalyptus - Blue Gum also grows in Europe, Africa and America. It can reach anywhere from 30 to 55 meters in height. The essential oil of Eucalyptus - Blue Gum is known to reduce respiratory distress and is particularly helpful when diffused as winter approaches as it can facilitate breathing. Eucalyptus Blue Gum essential oil is used in aromatherapy to soothe respiratory discomfort. Size: 15 ml.