What Oregano Plant Is Used for Oil of Oregano?

Features

• Oregano grows up to 2 feet tall and spreads up to 18 inches. During summer, it produces small white or lavender flowers. According to University of Illinois Extension, oregano plants propagated from cuttings or division have the best flavor.

Geography

• Native to the Mediterranean region, oregano grows in the hot, dry climates of Asia, Europe and North Africa. It thrives in U.S. Department of Agriculture Hardiness Zones 4 through 9.

Benefits

• Research at Kansas State University suggests that oil of oregano has topical antiseptic and antimicrobial properties. The researchers found that oregano oil is as effective as tea tree oil and more effective than chlorine bleach. Traditional herbalists have used the oil as a remedy for respiratory ailments, but the effectiveness of that use has not been scientifically proven.