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Overseeding Calculator

Overseeding Rates

Get the right seed quantity for your grass type — whether doing a full overseed or a touch-up.

Calculate Your Seed Amount

Select your grass type and lawn area to get an accurate seed purchase recommendation.

💡 Best time to overseed cool-season grasses is late summer/early fall. Warm-season grasses do best in late spring. Mow low and dethatch before seeding for best germination.
Seed to Purchase
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Gear & Tips
What You'll Need
My Spreader Pick
Top Pick
ECHO RB-60 Heavy-Duty Broadcast Spreader
“The spreader I use on my own lawn — nothing else comes close.”
  • 60 lb hopper — covers up to 25,000 sq ft per load
  • Factory-calibrated spread pattern up to 8 ft wide
  • Maintenance-free gear case — no grease, no hassle
  • Foot-operated side deflector keeps product off driveways & beds
  • 10" pneumatic tires handle any terrain with ease
  • Powder-coated steel frame — 5-year consumer warranty
Check Price & Availability →
Affiliate link — I earn a small commission at no extra cost to you. I only recommend gear I personally use.

Seeding Tips

Keep newly seeded areas consistently moist until germination. Avoid heavy foot traffic for 4–6 weeks. A starter fertilizer high in phosphorus helps establish new seedlings quickly.