Perennial. Marjoram has similar growing habits to oregano, but requires a little more water. Can grow in most soils and will tolerate part shade. Marjoram has similar culinary use to oregano but a less peppery flavor and with a slightly sweet, fresh scent. Try Marjoram in place of Oregano in any dish. Marjoram has a complex flavor and aroma that is less “played-out” than oregano or rosemary.