Most homeowners treat fall as the end of lawn season. It's actually the most important season of the year. Cool nights, warm soil, and steady rain make September and October the best window in Maryland for repairing turf — and getting it right now means you spend almost nothing in the spring chasing problems.
Keep leaves moving
A thin scattering of leaves is fine — even helpful — when mulched into the lawn. A solid blanket of wet leaves is not. It blocks sunlight, traps moisture, and is the number one cause of dead patches the following spring. Plan on at least two leaf passes through the season, plus a thorough final cleanup once the trees are bare.
Aerate and overseed in early fall
This is the single highest-impact thing you can do for a Maryland lawn. Core aeration pulls plugs of soil to relieve compaction, and overseeding fills in thin areas while the soil is still warm enough for fast germination. Aim to have it done by early October at the latest.
Apply a fall fertilizer
Cool-season grasses do most of their root growth in fall. A slow-release fall fertilizer feeds those roots so the lawn comes back thicker and greener in the spring. This is also when you can address any persistent broadleaf weeds — they're pulling nutrients down into the roots, which is when herbicide is most effective.
Keep mowing — at the right height
Don't stop mowing too early. Keep cutting at 3 inches until the grass genuinely stops growing, usually mid-to-late November. The very last cut of the year can come down a half-inch to reduce matting under snow.
Cut back and protect plants
Trim back spent perennials, but leave ornamental grasses and seed heads standing for winter interest and birds. Wrap young or vulnerable shrubs if winter burn has been a problem in past years.
Final cleanup
Once the trees are bare, a final cleanup removes all remaining leaves, clears beds, blows off hardscape, and leaves the property ready for winter. This is also a good time to top off mulch in any beds that are looking thin.
Lawns that get a real fall program need dramatically less work — and far fewer chemicals — the following spring. It's the most cost-effective service we offer.
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