The hardest winter days in Detroit aren't the snowiest ones — they're the days that melt at noon and lock up again by four. Preferred Landscaping & Snow Removal watches that swing along the east-side streets out toward Alter Road, plowing what falls and then coming back for the glaze that forms on walks and driveway aprons. Clearing, shoveling and treating ice through a March thaw asks as much attention as any January blizzard does. The aim never changes: a surface a person can cross in ordinary shoes, carrying groceries. Snow and ice service tuned to the way this weather actually behaves.