Like a lush green firework berberis thunbergii 39green carpet39 has distinctive arching branches each densely covered in small bright green leaves in spring small yellow flowers are produced which attract pollinating insects and are followed by glossy red berries come autumn the whole shrub turns orange and crimson for a truly breathtaking display33 forming a low spreading mound this barberry makes a superb ground cover plant in sunny or partly shaded borders easy to grow and