Guides

Lawn care, explained by soil temperature.

Most lawn advice says "early spring." Your soil doesn't read calendars — these guides tell you the actual trigger for each task, and our free alerts tell you the week it happens in your ZIP.

When to Apply Fall Pre-Emergent: The 70°F-and-Falling Soil Rule

Fall pre-emergent goes down when soil temps fall toward 70°F for 3 straight days. Get the state-by-state timing table and stop poa annua before it sprouts.