Maintaining a lush, green lawn in South Georgia goes beyond just mowing and watering—proper fertilization is essential. With the region’s warm, humid climate, warm-season grasses like Bermudagrass, Zoysiagrass, Centipedegrass, and St. Augustinegrass thrive—but each has unique needs when it comes to timing and nutrients.
Know Your Grass Type
Before applying any fertilizer, identify your lawn’s grass type. Here’s a quick breakdown:
- Bermudagrass: Begin fertilizing when soil temps hit 65°F at 4″ depth (typically late April). Apply nitrogen every 6-8 weeks until mid-August. Avoid fall applications to prevent winter damage.
- Centipedegrass: Low-maintenance and acid-loving, this grass only needs fertilizing twice—once after spring green-up and again in mid-summer. Skip fall fertilization. Avoid high nitrogen and phosphorus fertilizers. Apply the recommended phosphorus according to the soil test in late April and then a 15-0-15 fertilizer for sequential applications.
- Zoysiagrass: Fertilize once fully greened up (usually late April/early May) and continue every 7-8 weeks until mid-August.
- St. Augustinegrass: Start when about half the lawn greens up in late April. Fertilize as needed through the season, based on soil test and grass response to weather conditions.
Best Practices for Fertilizing
- Use a mechanical spreader for even distribution.
- Water in fertilizer thoroughly to reach the root zone.
- Avoid early spring or late fall applications—they can harm your lawn more than help.
- Be careful when using weed and feed type products because they are heavy in nitrogen with very little phosphorus and potassium
- Test your soil: Available through local Extension offices, soil tests reveal nutrient deficiencies and pH issues, helping you fine-tune your lawn care routine.
Don’t Forget the Basics
Fertilization is only part of the equation. Mow appropriately for your grass type—never cutting more than a third of the blade—and water about 1 inch per week, ideally in the early morning to minimize disease risk.
With a thoughtful approach and proper timing, South Georgia homeowners can enjoy vibrant, healthy lawns all season long. For more detailed guidance, check out more detailed publications from the University of Georgia Extension.
