Bermuda grass is a vigorous, fast-growing warm-season grass that needs the right nutrients at the right time of year to perform its best. Fertilizing too early, too late, or too often can weaken the lawn, waste product, or even encourage disease.
This seasonal fertilization guide explains exactly when to fertilize Bermuda grass, how much to apply, and how to keep your lawn healthy from spring green-up through fall.
Understanding Bermuda Grass Fertilization Needs
Bermuda grass thrives in warm weather and grows most actively from late spring through early fall. During this time, it requires regular feeding to support:
- Dense growth
- Rich green color
- Strong root development
- Recovery from foot traffic, mowing, and drought
- Natural weed resistance
However, fertilizing during dormancy—or before the soil is warm—can stress your lawn and reduce overall performance.
When to Fertilize Bermuda Grass: Season by Season
Spring (April – May): First Feeding After Green-Up
Do not fertilize Bermuda grass while it is still dormant. Wait until:
- Soil temperatures reach 65°F,
- The lawn is 50% green, and
- New growth is consistent.
Recommended Spring Fertilizer
Apply a balanced fertilizer or a slow-release nitrogen fertilizer after full green-up.
Typical rate: ½ to 1 pound of nitrogen per 1,000 sq. ft.
This kickstarts active growth and helps the lawn transition out of dormancy.
Summer (June – August): Peak Growing Season
Summer is Bermuda grass’s time to shine — and when it uses the most nutrients.
Apply fertilizer every 4–6 weeks, depending on the product label and your soil-test results.
Recommended Summer Fertilizer
Use a nitrogen-rich product to support vigorous growth and color.
Typical rate: 1 pound of nitrogen per 1,000 sq. ft. per application.
Fall (September): Final Feeding for Bermuda Grass — No Nitrogen
Apply your final fertilizer application in early September, using a product that is low in nitrogen and higher in phosphorus and potassium (such as 6-12-18 or 4-12-12). Bermuda grass begins slowing its growth as fall approaches, so nitrogen should not be applied—it encourages tender growth that is easily damaged by cold and can feed cool-season weeds during dormancy.
This late-season, nitrogen-free feeding:
- Strengthens Bermuda’s root system
- Improves winter resilience
- Helps the lawn maintain color longer before going dormant
Once soil temperatures drop below about 55°F, Bermuda grass becomes dormant, and fertilization should stop until spring.
Late Fall & Winter (October – March): No Fertilizer Needed
Bermuda grass naturally goes dormant once soil temperatures drop below 55°F. During this period:
- The lawn stops growing
- Fertilizer will not be absorbed
- Nitrogen can leach into the soil and cause environmental harm
Winter fertilization is neither needed nor recommended.
How Much Fertilizer Does Bermuda Grass Need Per Year?
Most Bermuda lawns perform best with 2–4 pounds of nitrogen per 1,000 sq. ft. per year, delivered across spring and summer.
Your exact needs depend on:
- Soil quality
- Mowing frequency
- Irrigation habits
A soil test is the best way to determine your ideal annual plan.
Signs Your Bermuda Lawn Needs Fertilizer
- Pale or yellowing grass
- Slow growth during active season
- Thin or patchy areas
- Reduced drought tolerance
- Weed pressure increasing
If you see these signs, check soil temperature and apply fertilizer during a safe window.
Tips for Successful Fertilizing
- Water after application unless using slow-release granules that specify otherwise
- Avoid fertilizing in extreme heat (over 95°F)
- Never fertilize during dormancy
- Use soil tests to determine phosphorus and potassium needs
- Follow label rates carefully
- Maintain consistent mowing height (~1.5 inches) for healthier nutrient uptake
FAQ: When to Fertilize Bermuda Grass
Q: What month should I fertilize Bermuda grass?
- First application: April–May (after green-up)
- Summer: every 4–6 weeks
- Last application: early September
Q: Can I fertilize Bermuda grass too early?
Yes. Fertilizing too early in spring—while the lawn is still dormant—can stress the turf and encourage weeds.
Q: How much fertilizer does Bermuda need?
Most lawns need 2–4 pounds of nitrogen per 1,000 sq. ft. per year, depending on soil tests and maintenance level.
Q: Should I fertilize Bermuda in winter?
No. Winter fertilization is not recommended for warm-season grasses.
Q: What’s the best fertilizer for Bermuda grass?
Use a balanced or nitrogen-rich fertilizer during active growth, based on soil test recommendations.
The Key to a Well-Fed Bermuda Lawn
Feeding your Bermuda lawn at the right time keeps it strong, vigorous, and resilient from spring through fall. With a proper fertilization schedule, consistent mowing, and smart irrigation habits, your lawn will stay thick and healthy season after season.
For more guidance—or to refresh your landscape with premium TifTuf or Tifway Bermuda sod—contact NG Turf today. Our Certified Turfgrass Professionals are here to help you get the most out of your lawn.
