Rosemary is a fragrant herb that is popular in courtyard herb gardens for its culinary and medicinal uses. It has antioxidant properties and can help improve digestion. Rosemary tea is often consumed to relieve headaches and improve memory and concentration. It can also be used topically to stimulate hair growth and improve scalp health. Rosemary essential oil is known for its invigorating scent and is used in aromatherapy to uplift mood and reduce stress.