From Piney Flats the ridges stack up blue toward Holston Mountain, and on an early summer morning the ground between here and Boone Lake holds one low sheet of mist. Tenn/4 Lawn Care is already mowing by then, working the rolling yards along the 11E corridor with edging at the drives and trimming wherever the ground breaks pitch. Northeast Tennessee grows grass generously and unevenly — a lawn can run flat at the road and fall away hard at the back fence — so holding a single height takes attention on every pass. Autumn brings the cleanup, when the hardwoods on the ridges let go all at once. What lasts is the look of a yard cut true across ground that is not.