Buxus can be evergreen shrubs or small trees, with simple, leathery, opposite leaves and clusters of small, pale yellow flowers followed by pale green to brown fruitsBuxus sempervirens is a large, slow-growing evergreen shrub to 5m or more, compact in habit, with small, glossy oval or oblong leaves, and small, yellowish flowers in the leaf axilsThese plants are in pack sixes.