Crimson Pigmy Barberry (Berberis thunbergii "Crimson Pygmy')
 
2' tall with 2-3' spread
 

Dwarf compact deciduous shrub with spectacular, reddish-purple foliage from spring through fall. Produces bright red berries in fall. Excellent low border, foundation or hedge plant providing great color contrast in the landscape. Displays best foliage color when planted in full sun.