Berberis thunbergii ' Harlequin' is a popular, easy colourful small shrub with leaves unfolding violet at first, becoming heavily mottled pink next & lastly turning ruby-red in autumn. Clusters of pale yellow flowers opening from maroon buds in spring are followed by shiny blood red berries. Very suitable as a hedge, in containers or solitary planting. This spherical shrub with leathery & glossy leaves, has branches that grow vertically.