
How to Fix St Augustine Grass
A Step-by-Step Guide to Reviving Your Lawn
If your St Augustine grass is looking patchy or unhealthy, you're not alone. Many homeowners face challenges in maintaining this popular grass variety. The good news is that fixing St Augustine grass is achievable with the right approach. This guide provides a detailed look at the steps you need to take to restore your lawn's health and beauty.
How to Fix St Augustine Grass
St Augustine grass is a warm-season turf known for its lush appearance and ability to thrive in various climates. However, it can suffer from issues such as pests, diseases, and improper care. Here’s how to fix St Augustine grass and bring it back to life.
Step-by-Step Instructions
Assess the Damage
Begin by examining your lawn for signs of distress, such as discoloration, thinning, or bare patches. Identify the underlying causes, which may include pests, diseases, or environmental stress.
Gather Required Tools and Materials
You'll need the following:
- Soil test kit
- Fertilizer (high nitrogen)
- Herbicide (if necessary)
- Grass seed or sod
- Watering can or hose
Test Your Soil
Conduct a soil test to determine pH and nutrient levels. St Augustine grass thrives in slightly acidic to neutral soil (pH 6.0-7.0).
Apply Fertilizer
Based on your soil test results, apply a high-nitrogen fertilizer to promote growth. Follow the manufacturer's instructions for application rates.
Address Pests and Diseases
If pests or diseases are present, treat them with appropriate pesticides or fungicides. Always follow safety guidelines and product instructions.
Reseed or Resod Affected Areas
If there are bare patches, reseed or lay sod in those areas. Ensure proper soil contact for successful rooting.
Water Properly
Water your lawn deeply but infrequently. Aim for about 1 inch of water per week, including rainfall. Adjust based on weather conditions.
Monitor and Maintain
Keep an eye on your lawn's progress and adjust care as needed. Regular mowing, watering, and fertilizing will help maintain its health.
Quick Facts
Quick Facts
Pros and Cons of St Augustine Grass
Pros | Cons |
---|---|
Lush and attractive appearance | Susceptible to pests and diseases |
Thrives in warm climates | Requires regular maintenance |
Key Takeaways
- Assess your lawn's health regularly.
- Conduct soil tests to tailor your care.
- Use high-nitrogen fertilizers for growth.
- Address pests and diseases promptly.
- Water deeply but infrequently.
- Monitor progress and adjust care as necessary.
FAQs
- What causes brown patches in St Augustine grass?
Brown patches can be caused by drought stress, pests like chinch bugs, or fungal diseases.
- How often should I fertilize St Augustine grass?
Fertilize every 6-8 weeks during the growing season for optimal health.
- Can I overseed St Augustine grass?
Yes, overseeding can help fill in bare spots and improve lawn density.

Jaden Bohman is a researcher led writer and editor focused on productivity, technology, and evidence based workflows. Jaden blends academic rigor with real world testing to deliver clear, actionable advice readers can trust.
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