Knightia excelsa has a narrow, columnar form similar to a poplar and is ideal for planting in restricted areas where height is desired. It has large, long, heavily-serrated, leathery leaves and produces red flowers in early summer that attract nectar-seeking birds. It can tolerate poor soils, light frosts, and strong winds, making it an excellent choice as a street tree. An evergreen and native to New Zealand. Learn more.