Spread the seed and fertilizer with a spreader to get even distribution. Mix the seed and fertilizer into the top quarter inch of soil using a light leaf rake. Don't go any deeper, or you may prevent germination. Roll the seedbed to get the seed pressed firmly into the soil. Mulching is not essential but may be necessary if you need to conserve moisture, control weeds, or prevent soil erosion.
Straw is the most common mulch material used across the country.
Don't use more than a quarter inch deep of mulch. Next, water your yard lightly. The top quarter inch of the seedbed must be kept moist during the germination period. As the grass grows, decrease the frequency of the watering but increase the quantity of water for deeper penetration. Start mowing when the seedlings are high enough to cut, usually 2-3 inches.