Beach stones and decorative pebbles are wonderful materials that beautify backyard landscaping ideas and create unique garden path designs. Beach stones and decorative pebbles enhance outdoor living spaces in many ways, â€“ add a natural feel, bring artistic designs, create harmony with other backyard landscaping materials and plants, and deter weeds. 25 Unique Backyard Landscaping Ideas and Garden Path Please note: You are currently browsing img decorative pebbles and cobbles cornish silver cobbles that is 999x867px in size. This image is listed in decorative garden pebbles uk category. 25 Unique Backyard Landscaping Ideas and Garden Path, 999x867 in 446.98 KB.