What is Lavender Oil? This bright evergreen shrub grows about four feet tall in warm areas, such as Spain and France. The plant yields purple flowers that grow upwards from woody branches. A favorite in cosmetics and self-care, it has even been used as a useful, natural aid in keeping pesky bugs at bay. Pure and clean, this versatile herb has been widely used since the Babylonian era. Lavender botanical Encourages deep serenity and promotes bright moods as indicated by its light purple hue.