The Still River runs low and green-banked through the middle of Danbury, and by April the willows along it are the first thing in town to admit it is spring. R and K Landscaping LLC opens its year about then, with cleanups that strip winter off a property — matted leaves, sand along the curb line, everything the cold left behind. Then the season settles into weekly mowing, trimming and edging, right through the humid stretch of July when grass grows overnight. Autumn brings the last cuts and the leaf work that quietly decides how a lawn looks the following April. Neat edges, an even cut, nothing left on the driveway — a short list, done every time.