Somethings to think about when choosing a winter garden is the plants bark, what will the plant look like once all there leaves are gone, Here's an example of a red twig dogwood! They have a bright red beautiful bark!
Another thing to think about is ever greens, these boxwood's are a perfect example . Another option is fountain grass,its gives your garden a beautiful golden color!
These are our Red Tip Photinias, there beautiful all year round. in the spring new growth is bright red with white berrys, best of all it keeps its beautiful leaves all year round!!!