Summer Saturdays fill downtown Crystal Lake, and out in the neighborhoods off Main the yards are all in their green rush, gaining an inch every time it rains. Luis Lawn Care Inc. keeps that under a steady hand — mowing on a rhythm, trimming close along foundations and fences, edging the walks so the line between grass and concrete stays honest, and clearing the cleanups that come in spring and fall. McHenry County soil holds moisture the way old prairie ground does and the grass shows it, which is a fine problem to have. Stripes laid straight across a front lawn on a bright morning are a small, real pleasure. Crystal Lake, Cary, Lake in the Hills and Huntley are the usual stops.