Spring on the plains announces itself twice — first with geese lifting off Barr Lake in the gray hours, then a few weeks later when the shortgrass and the lawns turn on the same day. GreenLawn Service goes to work on that second signal: mowing, trimming, edging and clearing away everything winter pressed flat. April here can hand you sixty degrees and a snow squall in one afternoon, so the schedule bends while the standard doesn't. The first cut of the year is a small ceremony, a yard suddenly awake and squared off again. From there it's steady hands right through to the last mowing of the fall.