Safety First
Wear gloves and closed-toe shoes when raking, seeding, or applying lawn products. If you use fertilizer, fungicide, or another treatment, follow the product label carefully and keep children and pets off the treated area for the recommended time. Identify the likely cause of the brown spot before applying chemicals—adding the wrong treatment can make the problem worse.
Time
30-60 Minutes
Difficulty
Easy
Cost
$10-$50
🧰 Tools & Materials
Tools
- Garden rake
- Hand rake or cultivator
- Garden hose with spray nozzle or sprinkler
- Lawn mower
- Hand spreader (optional)
Materials
- Grass seed that matches your existing lawn
- Topsoil or lawn soil
- Starter fertilizer (optional)
- Lawn treatment appropriate for the cause, if needed
👀 Signs It’s Time
- Small or large areas of grass have turned brown while the surrounding lawn remains green
- Brown areas aren’t recovering after normal watering
- Grass pulls up easily or appears completely dead
- The same areas turn brown repeatedly
- Brown spots continue spreading across the lawn
📋 Before You Buy
Before buying seed or lawn treatments, try to determine what’s causing the brown spots.
Common causes include drought, uneven watering, pet urine, mower damage, fertilizer burn, compacted soil, insects, and lawn disease.
If the grass is dead and needs reseeding, choose grass seed that matches your existing lawn and growing conditions.
💡 Pro Tip: Don’t automatically reach for fertilizer. If fertilizer burn caused the brown spot in the first place, adding more can make the damage worse.
📋 Before You Start
Check whether the grass is actually dead or simply dormant. Tug gently on the brown grass. Dormant grass usually remains firmly rooted, while dead grass often pulls away more easily.
Inspect the area for obvious causes such as dry soil, standing water, pet activity, mower scalping, or signs of insects or disease.
Correct the underlying problem before repairing the grass or the brown spot may return.
Step 1: Determine What Caused the Brown Spot
Check the soil and surrounding grass before doing anything else.
Dry, hard soil may indicate inadequate watering. Small concentrated patches can result from lawn damage from dogs. Brown areas that follow mower tracks or high spots may be caused by scalping.
Irregular or expanding patches may indicate insects or disease and should be identified before applying treatment.
What You Should See: A reasonably clear clue about why that particular section of lawn is struggling.
If Yours Looks Different: If you can’t determine the cause, avoid applying random chemicals. Correct basic watering and mowing problems first and monitor the area.
Step 2: Correct the Underlying Problem
Fix whatever caused the damage before repairing the grass.
Adjust sprinkler coverage if the area isn’t receiving enough water. Raise your mower height and make sure you mow the lawn properly if you’re scalping the grass. Flush small areas affected by excess fertilizer or pet urine with water when appropriate.
Treat insects or lawn disease only after you’ve identified the problem and have a product labeled for it.
💡 Pro Tip: Place a few empty tuna cans or similar shallow containers around the lawn while your sprinklers run. Comparing the amount of water collected can help reveal areas receiving noticeably less water.
Step 3: Remove the Dead Grass
If the grass is completely dead, rake out the brown material until you expose the soil underneath.
Loosen the top layer of soil with a rake or cultivator so new grass seed can make good contact with the ground.
Add a thin layer of fresh topsoil if the area is low or the existing soil is poor.
What You Should See: Loose, exposed soil surrounded by healthy existing grass rather than a thick layer of dead material.
Step 4: Reseed the Bare Area
Spread grass seed evenly over the prepared soil according to the seed manufacturer’s recommended rate.
Lightly rake the area so the seed settles into the soil. Avoid burying it deeply.
Apply starter fertilizer only if appropriate for your lawn and follow the product directions.
What You Should See: Seed distributed evenly across the repair area with good contact against the soil.
Step 5: Water and Protect the Repair
Water gently after seeding so the soil is moist without washing the seed away.
Keep the upper layer of soil consistently moist while the seed germinates. This may require light watering more than once a day during hot or dry weather.
Once the new grass becomes established, gradually transition to deeper, less frequent watering.
Avoid heavy foot traffic and don’t mow the repaired area until the new grass reaches an appropriate mowing height.
What You Should See: New grass beginning to fill the bare area as the seed germinates and establishes.
If Yours Looks Different: If little or no grass germinates within the expected timeframe for your seed variety, check moisture levels, soil contact, temperature, and seed quality before reseeding.
❌ Common Mistakes
Reseeding Without Fixing the Cause
Problem: New grass grows but the same area eventually turns brown again.
Solution: Identify and correct the watering, mowing, pet, soil, pest, or disease problem before repairing the lawn.
Adding Fertilizer to Every Brown Spot
Brown grass doesn’t automatically mean the lawn needs nutrients. Excess fertilizer can actually burn grass and create additional brown areas.
Overwatering the Repair
New seed needs consistent moisture, but soaking the area can wash seed away and encourage other lawn problems.
Keep the soil moist rather than constantly saturated.
Covering Grass Seed Too Deeply
Grass seed needs good soil contact but shouldn’t be buried under a thick layer of soil. A light raking is usually enough.
Mowing New Grass Too Soon
Give new grass time to establish before mowing it. Cutting seedlings too early can pull them from the soil or damage tender growth.
❓ FAQs
Why is my lawn turning brown even though I water it?
Uneven sprinkler coverage, compacted soil, excessive watering, disease, insects, fertilizer burn, or mower damage can all cause brown grass even when the lawn is being watered.
Will brown grass turn green again?
Sometimes. Dormant or stressed grass may recover once conditions improve. Completely dead grass will need to be removed and reseeded or otherwise repaired.
How can I tell if brown grass is dead or dormant?
Gently tug on the grass and inspect the crowns near the soil. Dormant grass generally remains firmly rooted and may still show living tissue near the base. Dead grass is often brittle and pulls away more easily.
Can dog urine cause brown spots in a lawn?
Yes. Concentrated urine can damage grass and create small brown patches, sometimes surrounded by darker green growth.
Should I put grass seed directly over dead grass?
You’ll usually get better results by raking away the dead material and loosening the soil first. Grass seed needs good contact with the soil to germinate successfully.
How long does it take a repaired brown spot to fill in?
It depends on the grass type, temperature, moisture, and growing conditions. Some grass seed can begin germinating within about a week, while other varieties can take several weeks.
👷 When to Call a Professional
Consider calling a lawn-care professional if brown spots continue spreading, repeatedly return after repair, or cover a large portion of the lawn.
A professional can also help identify less obvious problems such as fungal disease, damaging insects, serious soil issues, or irrigation problems before you spend money treating the wrong cause.