Dacula sits up on the Piedmont's long rolling shoulder, where the freight line still runs past Main Street and the red clay goes copper under a late-August evening. That's the hour Signature Lawn Service is usually finishing: mowing, edging, string trimming, and the blow-down that leaves a driveway looking swept. A signature is only a line drawn carefully, and so is an edge — the border along a walk reading unbroken from the mailbox to the porch steps, the stripes lying down flat in the Bermuda. Fall turns the work to leaf removal, hardwood litter off the turf and out of the beds; spring starts it over before the grass can get ahead of anybody. From the ballfields at Rabbit Hill out toward Lawrenceville and Auburn, yards get the same order of operations — cut, edged, cleared, finished.