I've taken to letting the grass grow longer and cutting it two or three times a year with a sickle. That helped. What if I left it even more alone? Let it grow tall, set seed, and then cut it once late in August?

Yesterday I cut a patch of long grass with my sickle. The grass had indulged in fratricidal competition, growing tall stalks and shading slower growing grass, killing it. The tangled damp mess provided excellent conditions for moss. Now that I've raked up the grass cuttings that patch of lawn is the worst it has ever been