When to Overseed a Lawn in Montana

Weeds sprouting along a concrete edge in a lawn area during warm season.

Late August through early September is the answer for most Montana lawns, timed to the first fall frost and worked backward using the 45 days of growing…

When to Overseed a Lawn in Mississippi

Weeds sprouting along a concrete edge in a lawn area during warm season.

Mississippi lawns run on warm-season grass, and warm-season grass has one real overseeding window: when the soil warms to 65°F to 70°F and keeps climbing.

When to Overseed a Lawn in Minnesota

Weeds sprouting along a concrete edge in a lawn area during warm season.

The short answer: aim for late August through the first week of September in the Twin Cities area, and shift that a couple weeks earlier the farther…