October light on the Pascack Valley makes the mill pond water look like tea, and the lawns around it hold their green longer than you would expect. Heritage Landscaping Corporation keeps that green going — mowing on a weekly turn, trimming close where turf meets stone and fence, cleanups that pull the fallen leaves off before they smother anything underneath. Montvale properties often mix open lawn with woodland edge, so half the work is deciding exactly where the mowed part should end. Autumn is the honest test of a landscaping outfit: the leaves come whether or not anyone is ready for them. Cleared, a yard looks the way it did in June, only cooler.