How to overseed and fertilize lawn

Difficulty Easy Time 2-4 hours Materials $85–$165 Steps 6
Easy2-4 hours
Wear gloves and a mask when handling fertilizers.
Do it yourself
$85$165
parts & materials, about 2-4 hours of your time
Hire a pro
$200$400
typical all-in price
Doing it yourself could save roughly $35
Rough estimates for guidance only — actual costs vary by job, materials and local prices. Get real quotes.

Tools you'll need

Lawn spreaderRakeGarden hose

Parts & materials

Grass seed
Typically need: ~1 bag
$50-$100
per 5 lb bag
Lawn fertilizer
Typically need: ~1 bag
$20-$40
per 50 lb bag
Topsoil
Typically need: ~0.5 cu yd
$30-$50
per cu yd

Estimated materials total: $85–$165. Prices vary by region and retailer.

Step by step

  1. 1 Prepare the lawn Mow the grass to a height of about 2 inches and rake up any debris. 30 min Rake
  2. 2 Aerate the soil Use a lawn aerator to create holes in the soil, which helps with seed penetration. 1 hour Lawn spreader Be careful not to damage existing grass.
  3. 3 Spread grass seed Using a lawn spreader, evenly distribute the grass seed over the aerated lawn. 30 min Lawn spreader
  4. 4 Apply fertilizer Spread the lawn fertilizer evenly over the seeded area using the spreader. 30 min Lawn spreader
  5. 5 Topdress with soil Lightly cover the seeded area with a thin layer of topsoil to protect the seeds. 30 min Rake
  6. 6 Water the lawn Water the area thoroughly to help the seeds germinate. 30 min Garden hose

Permits, safety & disposal

Safety rules
  • Wear gloves and a mask when handling fertilizers.
  • Follow all label instructions for fertilizer application.
Legal disposal
  • Dispose of any unused fertilizer and grass clippings at your local yard waste facility.
Check locally

Check with Naperville local regulations for any specific lawn care guidelines.

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This guide is AI-generated for general help and may not fit your exact situation. Know your limits — when in doubt, hire a licensed pro.

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