Six in the morning at Boar's Head, the ocean is flat silver and Ocean Boulevard belongs to the gulls and a few joggers, with the beach traffic still two hours out. That is the hour Picture - Perfect Landscaping likes for mowing: cool air, dry grass, nobody waiting to get by. The route runs from the cottage lots near the water back to the shaded streets around Tuck Field, cutting, string trimming, edging the walks and hauling the clippings off so the finish stands clean. Summer in Hampton is short and crowded, and a yard kept sharp all season is part of what makes the town feel like the holiday it is. Cleanups in spring and again in late fall bookend the run.