Lawn & Soil Care

What Is Overseeding?

Overseeding means sowing grass seed into an existing lawn to increase turf density or introduce suitable grass varieties.

Concept diagram: Existing lawn has thin gaps; Seed reaches exposed soil; New seedlings fill gaps. — Existing lawn has thin gaps; Seed reaches exposed soil; New seedlings fill gaps. Simplified conceptual illustration; not to scale.

How to Understand It

The new seed needs contact with soil and moisture for germination. Overseeding differs from starting a lawn on completely bare ground. Correct drainage, compaction, or other causes of thinning before relying on new seed.

Related terms

Cool-Season Grass
Soil Compaction
Thatch

Learn more

How To Overseed A Lawn

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