|White Bottlebrush, sometimes known as Willow Bottlebrush is perhaps the largest of the Callistemon family reaching heights of up to fifty feet in maturity. White Bottlebrush is unique in others ways, the bark is pale in color and has the look of paper. The flower spikes may be anything from white through yellow, chartruese or the pink and red tones, paired to small, light green leaves. This evergreen shrub or small tree gets its species name citrinus from the lemony smelling oil glands present in the olive green, lance-shaped leaves. Spring to summer flowers are terminal, axillary, and crimson colored. Plant in neutral to acid, moderately fertile soil in full sun. This plant is tough and makes and excellent hedge. Regular prunning is not necessary. If you do prune, immediately after flowering is best.