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Rock edge, small bed in back but as an extension - crepe myrtles?
Neat, round stone walls
Nice rock edge. Looks nice but lots of empty space for weeds
Rock & gravel edge, then new edges with more things.
nice greenery in pond
Rocks and paths, needs lots of greenery
Tall pond plants will grow
Big rocks look nice - less maintenance with bigger rocks, less area for things to grow that you don't want
Neat flat even tiled area
Just enough rock and gravel to cover liner
Big rocks edge with beds and green surrounding