fill cinder blocks with a creeping ground cover like thyme which smells so good when walked on.-----good idea on a bank or berm; helps keep weeds to a minimum as the thyme (or other groundcover) spreads and hides the cement.
OmG I have a ton of tree trimmings . Use tree trunk rounds to build a rustic garden pathway. Love this, possibly sell them in blocks measure out even for short paths and to cover the mulch under the flowers shrubs
Lay perforated drainage tubing at base Water-soaked soil is the worst enemy of retaining walls because it exerts enormous pressure behind the wall. Adding good drainage behind block or stone walls is crucial for long-lasting, bulge-free walls.