The Soucook runs the western edge of Pembroke, cold and quick under the alders, and the lawns near it hold their dew until midmorning. lawn ninjas landscaping is out ahead of that — mowing, string-trimming the awkward corners, edging the beds so the line between grass and mulch is a line and not a suggestion. Cleanups bracket the year, spring and fall, when a yard needs the reset more than the haircut. Then the plow goes on and those same driveways get opened and salted through the dark half of the calendar. Two very different jobs, one simple aim: the ground around your house behaving itself in every month Pembroke has.