Foliage may steal the limelight in the garden in spring and summer, but come winter, the bark of bare trees can be truly stunning – if you choose wisely when landscaping. "Bright bark colours from yellow to orange to red come into play with the purple dogwood (Cornus alba)," says German landscape architect Daniela Toman. Some bark is even white, the best known example being the birch tree (Betula). Other plants rely more on structure to grab your attention: "You can quickly recognize a cherry tr