|Pine Bottlebrush is of smaller size, usually reaching only about five feet in height, and bearing flower spikes in pale yellow. 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.