Callistemon Dawson River Weeper is a tall evergreen shrub, or small tree featuring weeping, grey-green foliage, and bright red, bottlebrush flowers in late spring Perfect feature or screening shrub with flowers that are bird attracting for the nectar. Tolerates coastal exposure, and waterlogged, poor or dry soils but performs best in a sunny to partly shaded site in moist, well drained soil. Trim after flowering if required.