October comes to Merrimac with the fields at Battis Farm gone gold and the old stone walls suddenly visible again through thinning brush. That is the season Dynamic Landscaping & Preservation LLC leans into — leaf cleanups that keep going after the first hard frost, beds cut back and mulched, lawns given their last few cuts before the ground gives up its heat. The rest of the year the work is steadier: mowing, trimming, keeping the borders honest where lawn wants to creep into woods, because in this town the treeline is never more than a few yards away. Preservation is in the name, and it fits a place where what you leave alone matters as much as what you cut. A yard raked out clean under bare oaks has its own kind of order, and it holds all winter.