Sloping gardens can be a problem. An expensive one too. But before you splash out on fixing it, try to see if you can make it work. Some sloping gardens use aesthetic techniques to look just as sleek and modern as flat gardens. Sloping Gardens â€“ Garden Ideas 101 Please note: You are currently browsing img sloped garden decking ideas that is 640x480px in size. This image is listed in sloping garden ideas category. Sloping Gardens Garden Ideas 101, 640x480 in 287.12 KB.