Fix Bare Spots in Your Lawn

Materials

• 1 lb covers 200-400 sq ft for patching Grass seed matching your lawn type (Check the label for cool vs warm season and sun vs shade tolerance) — $8 - $18
• Half cubic foot per 10 sq ft of bare spots Topsoil or compost (Bagged topsoil is fine for small areas, bulk delivery for large jobs) — $4 - $12
• One bale covers 500 sq ft lightly Straw or seed mulch (Use weed-free straw, not hay, which contains weed seeds) — $6 - $12
• Small bag, applied after establishment Starter fertilizer with phosphorus (Look for N-P-K ratios like 18-24-12 labeled for new grass) — $8 - $15

Step by step

1. Day 1 · Prep

   Find and Fix the Real Problem

   Figure out why the grass died before you replant. Look for grubs, compacted soil, pet damage, or chemical spills. Rake away dead grass and debris down to bare soil. If the soil is hard-packed, score it with a rake or hand cultivator to create shallow grooves. This loosens the surface and gives new roots somewhere to go.

   Tip: If you find more than five grubs per square foot, treat for grubs before reseeding or they'll eat the new roots.
2. Day 1 · Soil prep

   Build a Better Seedbed

   Spread a half-inch layer of compost or topsoil over the bare area. If the spot is from chemical damage or pet urine, scratch in an extra inch of fresh topsoil to dilute the contamination. Work it in lightly with your fingers or a hand rake so you have a loose, level surface. The goal is friable soil that holds moisture but drains.

   Tip: For urine spots, soak the area thoroughly before adding soil to leach salts deeper into the ground.
3. Day 1 · Seed selection

   Match Your Existing Grass

   Buy seed that matches your existing lawn type. Cool-season lawns use perennial ryegrass, Kentucky bluegrass, or fescue blends. Warm-season lawns use Bermuda, zoysia, or St. Augustine. Read the label for sun or shade tolerance. Shady bare spots need shade-mix seed or they'll fail again.

   Tip: Patch blends labeled for quick repair often contain fast-germinating annual ryegrass that looks good initially but dies out in a year.
4. Day 1 · Seeding

   Embed Seed Into Soil

   Scatter seed evenly over the prepared area at the rate listed on the bag for overseeding, usually half the rate for new lawns. Press the seed into the soil with the back of a rake or by walking on it. Good seed-to-soil contact is critical. The seed should sit in the grooves you made earlier, not on top of loose soil.

   Tip: Spread seed in two passes at half-rate each, walking perpendicular directions to ensure even coverage.
5. Day 1 · Covering

   Shield Seed From Birds and Sun

   Spread a thin eighth-inch layer of compost, topsoil, or straw over the seeded area. You should still see some seed through the covering. This keeps the seed moist and protects it from birds. Avoid peat moss, which forms a crust when it dries and blocks seedlings.

   Tip: If you use straw, shake it out so it's fluffy and not matted, or it will smother the seedlings.
6. Weeks 1-3 · Watering

   Keep Soil Consistently Moist

   Water the patch lightly two to three times daily to keep the top inch of soil consistently moist. You want damp, not soggy. Grass seed germinates in five to twenty days depending on type and temperature. Once seedlings appear, reduce watering to once daily, then every other day as the grass thickens.

   Tip: Set a phone reminder for mid-morning and mid-afternoon watering, the two times patches dry out fastest.
7. Week 3-4 · First mow

   Mow High, Go Easy

   Wait until new grass reaches three to four inches before mowing. Set the mower high and remove only the top third of the blade height. Mowing too early pulls seedlings out of loose soil. After the first mowing, treat the patched area like the rest of your lawn.

   Tip: Walk around the patch for the first mow instead of over it to avoid tearing up grass that's not fully rooted.
8. Week 5-6 · Fertilizing

   Strengthen Roots, Blend Colors

   Apply a starter fertilizer with higher phosphorus after the new grass has been mowed twice. This strengthens root development and helps the patch blend in. Avoid high-nitrogen fertilizers in the first month, which push top growth before roots are established.

   Tip: Feather the fertilizer application six inches beyond the patch edges so the color transition is gradual.