The mahonia aquifolium is great for year round interest in the garden providing a variety of colours through the seasons this wonderful shrub has shiny weatherproof foliage which contrasts with the bright acid45yellow tones of the spring blossom with blue45black berries adding more vibrance and leaves flushing autumn purple this prickly evergreen is ideally suited to security planting or deterring cats the oregon grape is a great plant for brightening dark corners that can be awkwar