Above Memorial Parkway the ground drops toward the water in short steep runs, and May turns every one of those banks a loud, impatient green. NIETO LANDSCAPING keeps pace with it — weekly mowing, edging, trimming, mulch and shrub shaping on properties that don't always sit level. Working a slope well is mostly a matter of knowing which way to walk it, and the payoff is a lawn that reads perfectly even from the street. Cleanups bookend the year, one in the thaw and one after the leaves let go. Beyond New Brunswick, the route takes in Highland Park, Piscataway and Franklin Township.