Mow the lawn short
Rake up leaves, thatch, and debris
Test the soil if needed
Aerate compacted areas
Choose the right grass seed for your region
Spread seed evenly with a broadcast or drop spreader
Apply seed at the recommended rate
Lightly rake to improve seed-to-soil contact
Add a thin layer of compost or topsoil if needed
Apply starter fertilizer if appropriate
Water lightly and frequently to keep the soil moist
Avoid heavy foot traffic on the seeded areas
Continue watering until the new grass is established
Mow once the new grass reaches the proper height
Overseed early enough in fall for seedlings to establish before frost