The optimal time to plant a fresh lawn is in the early fall. The weather in Minnesota is starting to cool off, so planting seeds or sod is essential before the winter months arrive. Overseeding is the practice of scattering grass seed over already-existing turf. It can be helpful for aging lawns that appear thin and worn. When done correctly, it’s a simple technique to cover up barren places, increase turf density, establish improved grass kinds, and improve the appearance of your lawn.