On a clear May morning in Jacksonville, before the sun has lifted the dew, a freshly cut lawn shows every pass of the mower in alternating bands of pale and deep green. Precision Turf builds its work on lines like those: one even height across the whole yard, a straight edge where turf meets concrete, trim work tucked tight around the mailbox post and the base of the palm. St. Augustine grows thick and coarse in this heat, and it answers a regular, well-timed cut with a dense carpet that keeps its color as summer comes on. In a lawn, precision is mostly a matter of doing the far back corner exactly as well as the front walk. When the work is done the yard has a geometry to it, calm and orderly, the stripes catching the slanting early light.