Sloping Garden. When one considers the enormous, but entirely worthwhile effort which has to be put into giving a flat garden the invaluable interest of contours, anyone with a sloping site should bless his lucky stars â€” or the ice age. How to Manage a Sloping Garden â€“ The Gardening Bible Please note: You are currently browsing img small sloping backyard landscaping ideas mystical that is 540x405px in size. This image is listed in sloping garden ideas category. How to Manage a Sloping Garden The Gardening Bible, 540x405 in 72.24 KB.