First grown in China, then brought to the Mediterranean and ultimately around the world, the orange tree has dark green leaves with white flowers. During the Middle Ages oranges were used to ward off various ailments. Today oranges are popular to fight off seasonal concerns due to its Vitamin C content. There are four recognized varieties: Persian, Navel, Valencia, and Blood Oranges. For Aromatherapy - Orange naturally calms and eases anxiety with its perky, lively aroma. A great addition to potpourri or sachet, orange oil is also commonly added to cleaning and polishing products due to its natural cleansing properties. For eco-friendly cleaning, simply add it to your water and enjoy its pleasant scent throughout your house.