Berberis thunbergii 'Concorde' is a slow-growing and compact form of barberry with burgundy foliage. This deciduous shrub is suitable to use as an edging, in mixed borders, or in containers as a foliage accent.

"Outstanding Qualities
This cultivar was selected for its small compact size and dense growth. In spring deep red-burgundy foliage emerges as small clusters of bright yellow flowers open and dangle from short spiky stems. The blooms are quickly hidden by the richly colored foliage. This barberry holds its deep color through the growing season until fall when it brightens to crimson before dropping its leaves. This is a more consistent grower with better color than the similar but inferior red pygmy barberry.

Culture Notes
This dwarf barberry prefers a location in full sun for the best foliage color. It also prefers a site with well-drained soil, but will tolerate sand and clay. Once established it only needs occasional watering during dry weather, but prefers regular watering in sandy soils." Courtesy Great Plant Picks