Lynn keeps its yards close — narrow dooryards behind the triple-deckers, low stone walls holding a slope in place, driveways running tight along the house and out to a street that still tastes of salt off Nahant Bay. Wilson Tree & Landscaping Service works with that grain: mowing and lawn care through the long green months, tree and landscape work where the old maples lean out over the sidewalk, and the plow blade in winter, driveways opened while the streetlights are still burning. There is a plain, physical satisfaction in the results — the straight cut line along a walk, the limb taken down clean, a yard that looks like somebody made a decision about it. Between the ledges of Lynn Woods and the wind coming up the shore road, each season asks for something different, and the answer pulls up in a truck before most of the block is awake.