This evergreen tree can grow up to 40 meters (130 feet) and has a flat crown. The bark is a reddish-brown that is deeply fissured with needle-like gray-green leaves.Rosemary oil is used for all variety respiratory problems colds, sinusitis, lung congestion and asthma. Traditionally used for healing skin problems, it is commonly added in preparations to help acne, eczema, over production of skin oil, dermatitis, etc.It's used in many citrus colognes, forest and oriental perfumes and eau de cologne. Rinses for dark hair often contain rosemary, as do room deodorants, household sprays, disinfectants and soaps. It is also used in inhalation, bath and massage.Rosemary has a very old reputation for improving memory, and has been used as a symbol for remembrance.