The Complete Guide to Lawn Fertilization: Achieving a Thick, Green, and Resilient Turf

Why Fertilizing Your Lawn Matters

A well-fed lawn is more than just aesthetically pleasing—it’s healthier, more resilient, and better equipped to resist weeds, drought, and heat stress. Proper fertilization:
✔ Promotes deep root growth for better drought tolerance
✔ Enhances color and density, crowding out weeds naturally
✔ Strengthens grass against disease, pests, and environmental stress
✔ Speeds recovery after winter dormancy

To maximize these benefits, a strategic fertilization schedule is essential, starting with a spring feeding to kickstart growth after winter.

Optimal Spring Fertilization by Region

 Northern Lawns (Cool-Season Grasses)

Grass Types: Kentucky Bluegrass, Perennial Ryegrass, Tall Fescue, Fine Fescue
Recommended Fertilizer:

• Scotts® Turf Builder® Triple Action

• Feeds the lawn for thick, green growth

• Kills existing weeds (dandelions, clover)

• Prevents crabgrass for up to 4 months
  Application Timing:

• Apply when dandelions begin flowering (early spring)

• Follow up 6-8 weeks later with Scotts® Turf Builder® Lawn Food

 Southern Lawns (Warm-Season Grasses)

Grass Types: St. Augustine, Centipede, Zoysia, Carpetgrass
Recommended Fertilizer:

• Scotts® Turf Builder® Southern Triple Action

• Feeds for deep green, strong growth

• Kills tough weeds (dollarweed, clover)

• Controls fire ants for up to 6 months
  Application Timing:

• Apply in early spring

• Follow up 6-8 weeks later with Scotts® Turf Builder® Southern Lawn Food

Year-Round Fertilization Strategy

While spring feeding is crucial, four seasonal applications ensure consistent health and beauty:

Pro Tip:

• Always follow label instructions for application rates.

• Avoid fertilizing during extreme heat or drought.

FAQ: Lawn Fertilization Essentials

Q1: Can I fertilize my lawn too much?

➔ Yes! Over-fertilization can burn grass, promote disease, and pollute waterways. Stick to 4 feedings/year unless soil tests indicate otherwise.

Q2: Should I water after fertilizing?

➔ Yes—lightly! Watering helps nutrients penetrate the soil. Avoid heavy watering, which can cause runoff.

Q3: What’s the best fertilizer for weed control?

➔ Weed & Feed products (like Scotts® Triple Action) are effective, but spot-treat weeds first if infestation is severe.

Q4: Is organic fertilizer better than synthetic?

➔ Depends on goals:

• Organic = Slow-release, improves soil health

• Synthetic = Fast-acting, precise nutrient ratios

Q5: How do I know if my lawn needs fertilizer?

➔ Signs include:

• Yellowing or thinning grass

• Slow growth

• Weeds taking over
  A soil test provides the most accurate guidance.

Final Recommendations

1. Start with a spring feeding to revive grass after winter.

2. Follow regional guidelines—Northern vs. Southern lawns have different needs.

3. Maintain a 4x/year schedule for optimal health.

4. Avoid common mistakes (over-fertilizing, wrong timing).

By following these steps, you’ll cultivate a lush, weed-resistant, and drought-tolerant lawn that thrives year-round. 

Need a customized plan? Explore Scotts® Lawn Care Programs for season-by-season fertilizer recommendations.