Carey Ezell Landscape Design. Granite terrace and steps with field stone retaining wall and upper lawn surrounded by Frasier firs, Arborvitae 'Dark American', Rhododendron, variegated dogwood, holly, boxwood, and siberian cypress. Wall planted with Lady's mantle, boxwood and Japanese fern grass
Add cap blocks to the top row of a block or stone retaining wall. You can add a layer of masonry adhesive to hold them in place, then back fill. Or you can backfill as you go, then add the cap. Either way, it provides a nice finished look, much like edging added to a paver patio.