Can be found in Build > Plants > Rocks.
Dual Garden Path Stones – Stone Recolors
Flat Garden Path Stone – Stone Recolors
Garden Path Stones – Stone Recolors
These are recolors of the stepping stones you find in the debug catalog. These Stone recolors match the other stones in-game as well as my Rock Recolors. I also took these out of debug and added them to the rocks section of the catalog.