Concorde Japanese Barberry Berberis thunbergii 'Concorde' Description Deep purple foliage. Blooms small yellow flowers followed by red berries that persist into the Winter. Small thorns on compacted stems.Bloom Period: Early SpringGrowth Habit: Dwarf, compact and ovalMature Height: 1.5' to 2.5' (46 cm to 76 cm)Mature Spread: 1.5' to 2.5' (46 cm to 76 cm)Growth Rate: Slow More Details Sun Exposure: Full SunCold Hardiness Zone: 4Rabbit and Deer ResistantDrought TolerantLandscape uses: Hedge or border/edging