December lawn care in Greene County, Ohio
Make a last mow if the grass is still growing, clear the last leaves, and let the lawn rest.
the sun marks this month
Do this in December
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Mowing
One last mow if the grass is still growing.
OSU's calendar runs mowing into December when the grass keeps growing. [1]
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Leaves and winter care
Nothing to do yet
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Seeding
Dormant seeding only.
Seed spread on thin spots in early winter waits for spring. Cover or mulch it. [2]
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Fertilizer
Nothing to apply.
The next feeding is in April. [3]
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Crabgrass and pre-emergents
Nothing to apply.
Preventer goes down next spring.
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Grubs and weeds
Nothing to treat.
Grub and weed work starts again in spring.
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Watering
No watering.
OSU's watering advice is for the growing season. [1]
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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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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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.