First light near Baldpate Pond arrives sideways through the pines, and dew on an open lawn holds it like a pane of glass. Grassmaster Plus starts the day inside that hour — deck set high, the first pass laid down straight, stripes rising behind the mower in the wet. Then trimming, edging, sweeping the walks, mulch wherever a bed has thinned out over the summer. A finished lawn at eight in the morning, still cool and still bright, is about as good as this work gets. Lawn care in Georgetown, Boxford, Rowley and Byfield.