Rosemary is a stimulant of the circulatory system. It is used to treat bites and stings externally. Internally it is used to treat migraines, bad breath, and to stimulate the sexual organs. It is also used to treat nervous disorders, upset stomachs, and is used to regulate the menstrual cycle and to ease cramps. Mix the crushed leaves generously into meats, fish, potato salads, etc. at your next picnic to prevent food poisoning. The essential oil is used in aromatherapy as an inhalant and decongestant, and to enhance memory and clear concentration. It is also used in lotions to ease arthritis.
Rosemary is a perennial that prefers mild climates, so it needs to be grown indoors where the winters are harsh, or very heavily mulched. It reaches 2 to 4 feet in height, and is tolerable of poor soils. Cut back after flowering to keep it from becoming leggy.