Polka dot sidewalk? How have I not seen this before. Circle pavers + fill. Awesome. Just think of the different games you could play. Just think of how fantastic it would be to have a POLKA DOT SIDEWALK. Could make trails with this in the back yard!!
Pratia or White Star Creeper is a herbaceous perennial groundcover used as a lawn substitute, as fillers in pathways, in rock gardens and in borders. A profusion of starry white flowers bloom spring through summer, followed by globular, reddish-purple fruit in autumn, attracting birds. This plant will tolerate wet or dry conditions in sun or shade. Low growing (2-3" tall). Zones 5-10