overseed
verb
over·seed
ˈō-vər-ˌsēd 
overseeded; overseeding; overseeds
: to seed (an existing stand) with another type of plant
overseeded the Bermuda grass with ryegrass
Examples of overseed in a Sentence
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Aim to overseed at least 4 weeks before the first killing frost in your region to give grass seed time to get established.
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Megan Hughes, Better Homes & Gardens, 15 Sep. 2025
Even if your lawn is made up of warm-season grasses, which hold up well in Southern heat, cool-season types like tall fescue are used to overseed in the fall to keep your lawn healthy-looking year-round.
—Karen Brewer Grossman, Southern Living, 8 Sep. 2025
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Megan Hughes, Better Homes & Gardens, 15 Sep. 2025
Even if your lawn is made up of warm-season grasses, which hold up well in Southern heat, cool-season types like tall fescue are used to overseed in the fall to keep your lawn healthy-looking year-round.
—Karen Brewer Grossman, Southern Living, 8 Sep. 2025
Cite this Entry
“Overseed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/overseed. Accessed 18 Sep. 2025.
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