Brick would also look great for the walkway. Country Casual by Ginkgo Leaf Studio Wisconsin Landscape Contractors Association - 2013 Silver Award for Excellence in Residential Landscape Design and Construction.
Center of garden: brick patio for urn or obelisk or fountain. (Im going to have to do this under my Japanese Maple to keep my dogs from digging around it. For now I put vinegar soaked cotton balls around it and it seems to be working.