How much lime does your lawn actually need?
By My Yard Editorial Team · 7/28/2026
The Quick Answer
Typical rate is 40–50 lbs per 1,000 sq ft to raise pH about half a point, capped at 50 lbs per application. Without a soil test, you're guessing — and over-liming is harder to fix than under-liming.
The Witty Breakdown
Cool-season lawns want pH 6.0–7.0. Below 5.5, your fertilizer is largely unavailable to the roots no matter how much you spend.
Pelletized lime is easier to spread; dolomitic lime adds magnesium if your test shows a deficiency.
Step-by-Step Fix
- 1
Test soil pH first — always.
- 2
Apply no more than 50 lbs/1,000 sq ft at a time, splitting fall and spring.
- 3
Water it in; lime takes 3–6 months to move into the root zone.
- 4
Retest the following fall before applying more.
Pro-Tip / Do Not Do This
Don't apply lime and fertilizer on the same day. Lime can tie up nitrogen and waste the whole application.
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