No mowing. No fertilizing. No watering. Maybe college and professional football teams had it right all along: Artificial grass is the easier way to go. And what passed for “turf” back in the old indoor sports arenas - we still call it AstroTurf, don’t we? - is a far distant relative to the cutting edge synthetic grass that we can buy today. But where do you start? We did our homework, so here are our four picks for best artificial grass.