January lawn care in Greene County, Ohio
The grass is dormant. January is for mower maintenance and for knowing what to look for when the snow melts.
the sun marks this month
Do this in January
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Mowing
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Leaves and winter care
Watch for snow mold as the snow melts.
Pink snow mold is probably the most common snow mold in Ohio. Gray snow mold shows up when snow cover lasts more than 40 to 60 days. If you find matted, discolored patches in spring, OSU suggests raking them lightly and watching for new shoots. [8]
Nothing to do yet
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Seeding
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Fertilizer
Nothing to apply.
OSU puts lawn feeding in April and May and again in September and October. [5]
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Crabgrass and pre-emergents
Nothing yet.
Crabgrass preventer goes down in spring, when soil 2 inches deep reaches about 50°F. [6]
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Grubs and weeds
Nothing to treat.
Grub and weed work starts in spring.
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Watering
No watering.
OSU's watering advice is for the growing season. [7]
Sources
Recommendations on this page follow Ohio State University Extension. Each source was checked on 2026-10-26. For the deeper national guide, see Really Great Lawn.
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Efficient Lawn Care Practices to Help Protect Ohio's Waterways (HYG-5812) Ohio State University Extension, Ohioline Checked 2026-10-26 Ohioline fact-sheet pages returned an error on 2026-10-26, so this was read from the Internet Archive copy saved 2026-04-20.
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Natural Organic Lawn Care (HYG-4031), including its lawn care calendar for Ohio Ohio State University Extension Checked 2026-10-26
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Snow Mold Damage: How Bad Is It and What Can Be Done? (March 2025) Buckeye Turf, Ohio State University Checked 2026-10-26