Indigenous to Tunisia, Spain and other Mediterranean countries. First used by the Romans who brought Rosemary plants to Britain. Traditionally used to alleviate damp musty smells and offset the effects of poor sanitation.Valued for its antiseptic and disinfectant properties. Burned during the plagues of Europe to purify the air and ward off illness. Where is it found the finest quality oils is extracted from the fresh flowering blue tops by steam distillation.