If you’ve noticed soft, squishy patches in your lawn that sink underfoot, you’re not alone. Soft spots in yard are a common issue that can signal deeper problems—like poor drainage, pests, or decaying material beneath the surface.
In this guide, we’ll explain what causes these soft spots, how to fix them, and when it’s time to call in a professional.
What Are Soft Spots in Yard?
Soft spots in yard refer to sections of your lawn that feel unstable, sponge-like, or sunken. They often stay wet longer than the rest of your yard and may show signs of poor grass growth or excess water.
Signs you have soft spots:
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Soggy or sunken areas
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Grass that looks thin, patchy, or unusually green
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Water that lingers after rain or irrigation
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A bouncy feel when walking across your lawn
Common Causes of Soft Spots in Yard
1. Poor Drainage
Too much water and not enough drainage is the top reason for soft spots. Colorado’s clay-heavy soil, improper grading, and overwatering can all cause water to pool and break down soil structure.
2. Burrowing Pests
Moles, voles, or gophers dig tunnels that collapse over time, causing soft spots. Signs include small holes, raised ridges, or soil mounds.
3. Decomposing Organic Matter
Tree roots, stumps, or buried wood may rot underground, creating empty pockets that sink over time.
4. Soil Compaction & Erosion
Foot traffic or water runoff can compact or erode soil, affecting drainage and stability.
5. Septic or Utility Line Issues
Leaks from underground pipes or septic systems can saturate soil and cause persistent soft areas. These require immediate professional repair.
How to Fix Soft Spots in Yard
1. Identify the Cause
Inspect the area. Use a screwdriver or garden stake to test the depth. Look for signs of water buildup, pests, or buried debris.
2. Improve Drainage
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Light issues: Aerate and dethatch your lawn.
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Moderate: Add sand-soil mix or shallow gravel trenches.
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Severe: Regrade the lawn or install French drains to redirect water.
3. Eliminate Burrowing Pests
Use humane traps or repellents. For grub infestations (which attract larger pests), apply beneficial nematodes to the soil.
4. Fill and Re-level
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Remove sod and excavate unstable soil
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Fill with a 70/30 topsoil-to-sand mix in layers, compacting each one
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Reseed or replace sod, then water lightly and regularly
5. Prevent Future Soft Spots
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Aerate twice a year (spring and fall)
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Water deeply, not frequently—about 1 to 1.5 inches per week
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Keep an eye out for pooling water or stressed grass
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Fix minor issues early before they grow worse
When to Call a Lawn Care Professional
If soft spots in yard continue to return, affect a large area, or seem tied to plumbing or septic problems, it’s time to call a professional.
Mile High Lifescape provides expert lawn evaluations, drainage solutions, pest control, and full lawn restoration for homes in Denver and surrounding areas.
🌏 Contact Us
Mile High Lifescape
Address: 1007 S Federal Blvd, Denver, CO 80219, US
Phone: 1-303-877-9091
Website: https://milehighlifescape.com/
Email: hello@milehighlifescape.com
Google Maps: https://www.google.com/maps?cid=8131554802714482277
Frequently Asked Questions (FAQs)
How do I know if I have a drainage issue?
If water pools for more than 24 hours after rain or watering, or grass seems soggy or stressed, you likely have poor drainage.
Can I fix soft spots in yard without digging?
Some minor spots can be improved with aeration and topdressing. Deeper problems usually require digging and filling.
Are soft spots bad for lawn health?
Yes. They can prevent proper root growth, attract pests, and promote disease if left untreated.
How long does it take for grass to grow back?
With proper care, new grass starts growing in 7–10 days and fully establishes in 4–6 weeks.
Will heavy rain create new soft spots after fixing?
If drainage is fixed correctly, your lawn should resist future soft spots. However, extreme weather may still overwhelm poorly graded areas.
Final Thoughts
Soft spots in yard aren’t just a nuisance—they can signal serious issues beneath the surface. By identifying the root cause and taking the right steps to fix it, you can restore your lawn’s strength, health, and appearance.
Need expert help? Contact Mile High Lifescape today for a free lawn evaluation and personalized plan to fix soft spots in your yard for good.
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