Hedychium coronarium White Ginger. They are noted for their intense, luxurious fragrance. A rhizomatous perennial with dense-growing, upright stems bearing pure white, butterfly-like flowers in Summer and through to early Autumn. May be grown in either full sun or partial shade where soils are moist, organically rich and free-draining.  Grows to between 1.5m and 1.8m in height.