CraftsDIY ProjectsGarden BedsGardening Mosaic Cinder Block Planter DIY Project By Melissa Francis - September 4, 2012 0 120 FacebookTwitterPinterestWhatsApp These would be great as a garden border too, lay the ‘ square hole’ side down so the mosaic shows out then fill holes with dirt & flowers! photo credit delicateconstruction.com Mosaic Cinder Block Planter DIY Project  Â