An edge is the tell. Anyone can shorten grass; the difference shows up in the four-inch line where turf meets concrete, and Green Edge Lawn Care is named for the part most crews rush. On a July afternoon along Parsippany Boulevard, with heat shimmering off the road, that clean seam is what makes a lawn look finished instead of merely cut. Mowing, trimming, edging, mulching and seasonal cleanups make up the week, and the walk is left without a stray clipping on it. The lawn will still be there tomorrow — the edge is what people notice today.