Transform your St. Augustine lawn into a vibrant, lush masterpiece with the right fertilizer—don’t let yellowing or thinning grass ruin your curb appeal! St. Augustine grass, a warm-season favorite, demands proper nutrition to thrive, especially nitrogen-rich best 10 fertilizer for St. Augustine blends that promote dense, green growth. Without the right care, your lawn risks sparse patches, weed invasions, or disease, diminishing its beauty. This guide reviews the best 10 fertilizer for St. Augustine options, backed by 2024-2025 Amazon data, customer reviews, and expert insights, to help homeowners in USDA zones 8-10 (like Florida and Gulf states) make an informed choice for a healthy, stunning lawn.
Why Fertilizing St. Augustine Grass Matters
St. Augustine grass (Stenotaphrum secundatum) is a warm-season turf known for its lush, blue-green hue and shade tolerance, making it a top choice for coastal regions like Florida and the Gulf states. However, its vigor depends on proper nutrition, particularly nitrogen, which fuels leaf growth and vibrant color. Phosphorus supports root development, while potassium enhances drought and disease resistance. Without balanced fertilization, St. Augustine can become thin, yellow, or prone to weeds and pests like chinch bugs. Over-fertilization risks burning the grass, while under-fertilization leads to weak roots and sparse growth. Experts recommend fertilizing every 6-8 weeks during the growing season (spring through early fall) and avoiding applications during winter dormancy to prevent damage. A soil test can pinpoint specific nutrient needs, ensuring your lawn stays healthy and resilient.
How We Chose the Best Fertilizers
To identify the best 10 fertilizer for St. Augustine, we analyzed Amazon’s 2024-2025 best-sellers, customer reviews (4+ stars), and expert recommendations from trusted sources like Lawn Love, LawnStarter, and Bob Vila. Our criteria included:
- High Nitrogen Content: Prioritized 3-1-2 or 4-1-2 NPK ratios for St. Augustine’s needs.
- Formula Type: Evaluated slow-release vs. quick-release, granular vs. liquid, and organic vs. synthetic options.
- Coverage Area: Ensured products suit various lawn sizes (small to large).
- Ease of Application: Favored user-friendly options (e.g., hose-end sprayers or spreaders).
- Safety and Value: Selected St. Augustine-safe formulas offering cost-effectiveness.
- Customer Feedback: Focused on products with high ratings and consistent performance.
- Expert Insights: Incorporated advice from lawn care professionals on nutrient balance and timing.
This rigorous process ensures our recommendations meet the needs of homeowners seeking vibrant, healthy lawns in USDA zones 8-10.
Comparison Table: Top 10 Fertilizers for St. Augustine Grass
| Product Name | NPK Ratio | Best For |
| The Andersons PGF Complete 16-4-8 | 16-4-8 | Large lawns, professional results |
| Safer Brand Lawn Restore | 10-0-6 | Eco-friendly, small/medium lawns |
| Simple Lawn Solutions Advanced 16-4-8 | 16-4-8 | Quick greening, small lawns |
| Scotts Southern Lawn Food | 32-0-10 | Southern climates, established lawns |
| Down to Earth Bio-Turf 8-3-5 | 8-3-5 | Organic, small lawns/gardens |
| Lesco St. Augustine Weed and Feed 20-0-3 | 20-0-3 | Weed-prone large lawns |
| Pennington UltraGreen Lawn Fertilizer 30-0-4 | 30-0-4 | Color enhancement, medium lawns |
| Milorganite Organic Nitrogen Fertilizer 6-4-0 | 6-4-0 | Eco-friendly, small lawns |
| SeedRanch St. Augustine Lawn 24-2-11 | 24-2-11 | Large Florida lawns, fast greening |
| Ultimate 3-18-18 NPK Lawn Food | 3-18-18 | New/thinning lawns, root growth |
Note: Prices and coverage areas are approximate, based on Amazon data from 2024-2025. Check Amazon for exact details.
Detailed Reviews: Best 10 Fertilizers for St. Augustine Grass
1. The Andersons PGF Complete 16-4-8 Fertilizer
- Product Description: The Andersons PGF Complete 16-4-8 is a professional-grade granular fertilizer designed to deliver rapid greening and robust root growth for St. Augustine lawns. Its balanced 16-4-8 NPK ratio provides high nitrogen for lush foliage, phosphorus for root strength, and potassium for stress resistance. Enhanced with micronutrients like iron, it ensures a deep green color without burning, even in Florida’s sandy soils. The slow-release formula feeds for up to 8 weeks, reducing application frequency and ensuring consistent nutrition. Ideal for homeowners seeking a premium, long-lasting solution for large lawns.
- Price: $54.88
- Key Features and Benefits:
- 16-4-8 NPK ratio optimized for St. Augustine’s nitrogen needs.
- Slow-release nitrogen minimizes burn risk and feeds for 8 weeks.
- Covers 10,000 sq. ft., perfect for large lawns.
- Includes iron and micronutrients for vibrant color and root health.
- Safe for Floratam St. Augustine variety, common in coastal regions.
- Pros:
- Visible greening within 7-10 days.
- Cost-effective for large areas ($0.005/sq. ft.).
- Professional-grade results, trusted by lawn care experts.
- Cons:
- Requires a broadcast or drop spreader for even application.
- Not organic, less appealing for eco-conscious users.
- Amazon Customer Ratings and Reviews: 4.7/5 (2,500+ reviews). Customers praise its quick results and lush greening, though some note challenges with spreader calibration. One reviewer said, “My St. Augustine lawn went from patchy to golf-course green in two weeks!”
- Why It’s a Good Choice for St. Augustine: The balanced NPK and slow-release formula prevent burning while delivering consistent nutrition, making it ideal for maintaining vibrant, healthy St. Augustine lawns in warm climates.
- Ideal Use Case: Large lawns (5,000+ sq. ft.) needing professional-grade results.
- Who Should Buy: Homeowners in USDA zones 8-10 seeking a cost-effective, high-performance fertilizer for established St. Augustine lawns.
2. Safer Brand Lawn Restore Natural Fertilizer
- Product Description: Safer Brand Lawn Restore is an organic, pet- and child-safe fertilizer with a 10-0-6 NPK ratio, crafted to nourish St. Augustine grass while enhancing soil health. Made from natural ingredients like feather meal, soybean meal, and molasses, it delivers nitrogen for greening and potassium for stress tolerance without synthetic chemicals. Its slow-release formula feeds for up to 8 weeks, promoting long-term lawn vitality. Perfect for eco-conscious homeowners, it’s safe for immediate use after application and won’t pollute waterways, making it a sustainable choice for coastal areas.
- Price: $34.49
- Key Features and Benefits:
- Organic formula with no synthetic chemicals, safe for pets and kids.
- 10-0-6 NPK ratio supports greening and drought resistance.
- Covers 5,000 sq. ft., ideal for small to medium lawns.
- Enhances soil microbiome for long-term health.
- OMRI-listed for organic gardening.
- Pros:
- Safe for immediate use by families and pets.
- Improves soil structure, reducing runoff risks.
- Gentle formula prevents burning, even in hot climates.
- Cons:
- Smaller coverage area than synthetic options.
- Results take 2-3 weeks, slower than quick-release fertilizers.
- Mild odor during application, noted by some users.
- Amazon Customer Ratings and Reviews: 4.5/5 (1,800+ reviews). Users love its safety and eco-friendly benefits, though some mention the temporary odor. A reviewer noted, “My St. Augustine looks thicker, and I feel good knowing it’s safe for my dog.”
- Why It’s a Good Choice for St. Augustine: Its gentle, organic formula prevents burning and supports sustainable lawn care, ideal for environmentally conscious households.
- Ideal Use Case: Small to medium lawns (2,000-5,000 sq. ft.) in eco-friendly homes.
- Who Should Buy: Homeowners prioritizing safety and sustainability over rapid results.
3. Simple Lawn Solutions Advanced 16-4-8 Lawn Food
- Product Description: Simple Lawn Solutions Advanced 16-4-8 is a liquid fertilizer enriched with seaweed and fish for rapid nutrient absorption, making it a top choice for quick greening of St. Augustine lawns. Its 16-4-8 NPK ratio delivers high nitrogen for lush growth, phosphorus for root development, and potassium for resilience against heat and drought. The concentrated formula is applied via a hose-end sprayer, covering 3,200 sq. ft. with ease. Ideal for homeowners needing fast results during stress periods, it’s a versatile, high-quality option for small lawns or spot treatments.
- Price: $23.77
- Key Features and Benefits:
- 16-4-8 NPK ratio with organic seaweed and fish for enhanced absorption.
- Fast-acting liquid formula shows results in 1-2 weeks.
- Covers 3,200 sq. ft., suitable for small lawns or targeted applications.
- Includes micronutrients (iron, manganese) for root strength and color.
- Easy hose-end sprayer application, no spreader needed.
- Pros:
- Quick greening, ideal for stressed or yellowing lawns.
- Simple application with no specialized equipment.
- Enhances soil health with organic additives.
- Cons:
- Smaller coverage area compared to granular options.
- Requires reapplication every 4-6 weeks for sustained results.
- Amazon Customer Ratings and Reviews: 4.6/5 (3,000+ reviews). Customers praise its ease of use and rapid results, with one saying, “My St. Augustine was vibrant in days!” Some note the bottle size limits coverage.
- Why It’s a Good Choice for St. Augustine: Its fast-acting formula is perfect for quick lawn recovery, especially during drought or heat stress, common in Gulf states.
- Ideal Use Case: Small lawns or spot treatments needing immediate greening.
- Who Should Buy: Homeowners seeking quick, hassle-free results with minimal equipment.
4. Scotts Southern Lawn Food
- Product Description: Scotts Southern Lawn Food is a granular fertilizer with a nitrogen-rich 32-0-10 NPK ratio, specifically formulated for Southern lawns like St. Augustine in hot, humid climates. Designed to enhance heat and drought tolerance, it delivers a high dose of nitrogen for dense, green growth and potassium for stress resistance. Covering 5,000 sq. ft., it’s ideal for established lawns in regions like Florida and Texas. Its quick-release formula greens lawns in days, making it a go-to for homeowners wanting vibrant color fast.
- Price: ~$23.39
- Key Features and Benefits:
- 32-0-10 NPK ratio for rapid greening and stress tolerance.
- Covers 5,000 sq. ft., suitable for medium-sized lawns.
- Formulated for Southern climates, safe for St. Augustine varieties.
- Enhances blue-green color, a hallmark of healthy St. Augustine.
- Pros:
- Fast results (visible in 3-5 days).
- Deepens St. Augustine’s signature color.
- Easy to apply with a standard spreader.
- Cons:
- Lacks phosphorus, not ideal for new or rooting lawns.
- Risk of burning if over-applied or not watered in properly.
- Amazon Customer Ratings and Reviews: 4.4/5 (2,000+ reviews). Users love its effectiveness in Southern climates, with one stating, “My Florida lawn looks amazing!” Some report clumping if not spread evenly.
- Why It’s a Good Choice for St. Augustine: Tailored for Southern heat, it boosts color and resilience in established lawns, perfect for coastal regions.
- Ideal Use Case: Medium-sized, established St. Augustine lawns in hot, dry climates.
- Who Should Buy: Southern homeowners seeking fast color enhancement for mature lawns.
5. Down to Earth Bio-Turf 8-3-5 Fertilizer
- Product Description: Down to Earth Bio-Turf 8-3-5 is an OMRI-certified organic fertilizer crafted for St. Augustine grass and other turf types, using natural ingredients like feather meal, bone meal, and sulfate of potash. Its 8-3-5 NPK ratio delivers moderate nitrogen for steady greening, phosphorus for root development, and potassium for disease and drought resistance. Covering 500-1,000 sq. ft. per 20 lb bag, it’s ideal for small lawns or mixed garden beds. This eco-friendly option promotes long-term soil health, making it a sustainable choice for environmentally conscious homeowners in coastal regions.
- Price: $21.51
- Key Features and Benefits:
- Organic, chemical-free formula safe for pets, kids, and waterways.
- 8-3-5 NPK ratio supports balanced growth and soil vitality.
- Enhances drought and disease resistance for resilient St. Augustine.
- Versatile for lawns, gardens, and ornamental plants.
- Slow-release nutrients feed for up to 8 weeks.
- Pros:
- Improves soil microbiome, reducing long-term nutrient depletion.
- No burn risk, even in hot, humid climates.
- OMRI-listed, trusted for organic gardening standards.
- Cons:
- Limited coverage (500-1,000 sq. ft.), costly for large lawns.
- Slower results (2-3 weeks) compared to synthetic fertilizers.
- Amazon Customer Ratings and Reviews: 4.5/5 (1,200+ reviews). Users praise its organic quality and soil benefits, with one saying, “My St. Augustine is healthier, and I love the eco-friendly approach.” Some note the high cost per square foot.
- Why It’s a Good Choice for St. Augustine: Its gentle, organic formula prevents burning and supports sustainable lawn care, ideal for small, eco-conscious lawns.
- Ideal Use Case: Small St. Augustine lawns or mixed garden beds needing organic care.
- Who Should Buy: Organic gardeners with small lawns or those prioritizing soil health over rapid greening.
6. Lesco St. Augustine Weed and Feed 20-0-3
- Product Description: Lesco St. Augustine Weed and Feed 20-0-3 is a granular fertilizer with a 20-0-3 NPK ratio, combining high nitrogen for lush St. Augustine growth with a broad-spectrum herbicide that targets over 250 weed types, including clover and dandelion. Covering 14,700 sq. ft., it’s designed for large lawns plagued by weeds. The formula includes 6% iron for vibrant color and slow-release nitrogen for up to 8 weeks of feeding, making it a dual-action solution for homeowners battling weeds while nourishing their grass.
- Price: $99.33
- Key Features and Benefits:
- 20-0-3 NPK ratio with high nitrogen for dense, green growth.
- Controls 250+ broadleaf weeds, reducing lawn competition.
- Covers 14,700 sq. ft., ideal for large properties.
- Includes iron for enhanced color and vigor.
- Slow-release formula minimizes burn risk.
- Pros:
- Dual-action weed control and fertilization saves time.
- Cost-effective for large lawns ($0.004/sq. ft.).
- Enhances St. Augustine’s blue-green hue.
- Cons:
- Not safe for all St. Augustine varieties (e.g., Floratam—check label).
- Requires precise application to avoid lawn damage.
- Amazon Customer Ratings and Reviews: 4.3/5 (1,500+ reviews). Customers love its weed-killing power, with one noting, “Cleared my dandelion problem and greened my lawn!” Some report uneven results if misapplied.
- Why It’s a Good Choice for St. Augustine: Its weed-and-feed design tackles common lawn issues while nourishing established St. Augustine, perfect for weed-prone areas.
- Ideal Use Case: Large lawns (10,000+ sq. ft.) with weed infestations.
- Who Should Buy: Homeowners with big, weed-challenged St. Augustine lawns willing to follow application guidelines.
7. Pennington UltraGreen Lawn Fertilizer 30-0-4
- Product Description: Pennington UltraGreen Lawn Fertilizer 30-0-4 is a high-nitrogen granular fertilizer tailored for warm-season grasses like St. Augustine, delivering a 30-0-4 NPK ratio for rapid greening and heat tolerance. Enhanced with 5% iron, it produces a vibrant blue-green color, ideal for Southern lawns. Covering 5,000 sq. ft., its slow-release nitrogen feeds for up to 3 months, reducing application frequency. This budget-friendly option is perfect for homeowners seeking a bold, colorful lawn without breaking the bank.
- Price: $47.88
- Key Features and Benefits:
- 30-0-4 NPK ratio for intense greening and stress resistance.
- Covers 5,000 sq. ft., suitable for medium-sized lawns.
- 5% iron enhances St. Augustine’s signature color.
- Slow-release formula feeds for 12 weeks.
- Formulated for Southern climates, safe for most St. Augustine varieties.
- Pros:
- Affordable price for medium lawns ($0.007/sq. ft.).
- Deepens St. Augustine’s blue-green hue in 5-7 days.
- Long-lasting feeding reduces maintenance.
- Cons:
- Lacks phosphorus, not ideal for new or rooting lawns.
- Can clump if not spread evenly or watered properly.
- Amazon Customer Ratings and Reviews: 4.5/5 (2,200+ reviews). Users rave about its color enhancement, with one saying, “My St. Augustine looks like a golf course!” Some note clumping issues with improper spreading.
- Why It’s a Good Choice for St. Augustine: Its high nitrogen and iron content deliver vibrant color and resilience, perfect for established lawns in hot climates.
- Ideal Use Case: Medium-sized lawns needing bold color and low maintenance.
- Who Should Buy: Budget-conscious homeowners with established St. Augustine lawns prioritizing aesthetics.
8. Milorganite Organic Nitrogen Fertilizer 6-4-0
- Product Description: Milorganite Organic Nitrogen Fertilizer 6-4-0 is a chemical-free, slow-release fertilizer made from composted manure, delivering a 6-4-0 NPK ratio for gentle St. Augustine nourishment. Covering 2,500 sq. ft., it’s ideal for small lawns and eco-conscious households. Its organic composition improves soil health, reduces runoff risks, and is safe for pets and kids immediately after application. With added iron, it promotes steady greening and long-term lawn vitality, making it a trusted choice for sustainable lawn care in coastal regions.
- Price: $18.09
- Key Features and Benefits:
- Organic 6-4-0 NPK ratio for safe, balanced nutrition.
- Covers 2,500 sq. ft., perfect for small urban lawns.
- Enhances soil microbiome, reducing nutrient depletion.
- Includes iron for subtle greening without burning.
- Safe for immediate use by families and pets.
- Pros:
- Environmentally friendly with no waterway pollution.
- No burn risk, even in humid, hot climates.
- Trusted by organic gardeners for decades.
- Cons:
- Smaller coverage area limits use for large lawns.
- Mild manure odor during application, noted by some users.
- Amazon Customer Ratings and Reviews: 4.6/5 (3,500+ reviews). Customers love its safety and reliability, with one stating, “My St. Augustine is thicker, and I feel good about no chemicals.” Some dislike the temporary smell.
- Why It’s a Good Choice for St. Augustine: Its gentle, organic formula prevents burning and supports eco-friendly lawn care, ideal for sensitive coastal lawns.
- Ideal Use Case: Small lawns in eco-conscious households or urban settings.
- Who Should Buy: Homeowners prioritizing organic, pet-safe fertilizers for small St. Augustine lawns.
9. SeedRanch St. Augustine Lawn 24-2-11 Fertilizer
- Product Description: SeedRanch St. Augustine Lawn 24-2-11 Fertilizer is a granular fertilizer specifically formulated for St. Augustine grass, with a 24-2-11 NPK ratio and 6% iron for rapid greening and robust growth. Covering 13,000 sq. ft., it’s designed for large Florida lawns, delivering high nitrogen for lush foliage and potassium for stress resistance. Its slow-release formula feeds for up to 8 weeks, ensuring consistent nutrition without frequent reapplication. This high-performance option is a favorite for homeowners seeking vibrant, professional-quality lawns.
- Price: $97.77
- Key Features and Benefits:
- 24-2-11 NPK ratio optimized for St. Augustine’s nitrogen needs.
- Covers 13,000 sq. ft., ideal for large properties.
- 6% iron enhances vibrant blue-green color.
- Slow-release nitrogen minimizes burn risk and feeds for 8 weeks.
- Tailored for Florida’s sandy soils and humid climate.
- Pros:
- Excellent coverage for large lawns ($0.005/sq. ft.).
- Rapid greening (10-14 days) with lasting results.
- Enhances color and drought tolerance.
- Cons:
- Higher price point than smaller bags.
- Requires a spreader for even application.
- Amazon Customer Ratings and Reviews: 4.4/5 (1,000+ reviews). Users praise its effectiveness in Florida, with one saying, “My St. Augustine is the envy of the neighborhood!” Some note the cost as a drawback.
- Why It’s a Good Choice for St. Augustine: Its high nitrogen and iron content deliver fast, vibrant results tailored for Florida’s St. Augustine lawns.
- Ideal Use Case: Large St. Augustine lawns (10,000+ sq. ft.) in Florida or Gulf states.
- Who Should Buy: Homeowners with big lawns seeking quick, professional-grade greening.
10. Ultimate 3-18-18 NPK Lawn Food Liquid Fertilizer
- Product Description: Ultimate 3-18-18 NPK Lawn Food is a liquid fertilizer designed for St. Augustine lawns with phosphorus or potassium deficiencies, featuring a 3-18-18 NPK ratio to boost root growth and stress resistance. Covering 3,200 sq. ft., it’s applied via a hose-end sprayer for quick nutrient absorption, showing results in 1-2 weeks. Ideal for new sod or thinning lawns, its high phosphorus content strengthens roots, while potassium enhances drought and disease tolerance, making it a targeted solution for specific lawn needs.
- Price: $25.79
- Key Features and Benefits:
- 3-18-18 NPK ratio for root development and stress resilience.
- Covers 3,200 sq. ft., suitable for small lawns or spot treatments.
- Fast-acting liquid formula for quick results.
- Includes micronutrients for overall lawn health.
- Easy hose-end application, no spreader required.
- Pros:
- Targets root growth for new or thinning lawns.
- Quick results (1-2 weeks) for yellowing or stressed grass.
- Simple application for beginners.
- Cons:
- Low nitrogen, not ideal for greening established lawns.
- Requires frequent reapplication (every 4-6 weeks).
- Amazon Customer Ratings and Reviews: 4.5/5 (1,700+ reviews). Users appreciate its root-boosting effects, with one noting, “Revived my new St. Augustine sod!” Some mention limited coverage for larger lawns.
- Why It’s a Good Choice for St. Augustine: Its high phosphorus and potassium content address specific nutrient deficiencies, perfect for establishing or repairing lawns.
- Ideal Use Case: New or thinning St. Augustine lawns with low phosphorus/potassium.
- Who Should Buy: Homeowners with soil test results indicating deficiencies or new sod installations.
Buying Guide: How to Choose the Best Fertilizer for St. Augustine Grass
Selecting the best 10 fertilizer for St. Augustine depends on your lawn’s size, nutrient needs, and maintenance preferences. Consider these factors:
- NPK Ratio: Choose 3-1-2 or 4-1-2 ratios (e.g., 16-4-8) for established lawns to promote greening. New sod or thinning lawns benefit from higher phosphorus (e.g., 3-18-18) for root growth.
- Formula Type:
- Granular: Slow-release, ideal for large lawns (e.g., The Andersons, Lesco).
- Liquid: Fast-acting, great for small areas or quick fixes (e.g., Simple Lawn Solutions).
- Organic: Eco-friendly, gentler on soil (e.g., Safer Brand, Milorganite).
- Coverage Area: Match the product to your lawn size (e.g., 2,500 sq. ft. for small lawns, 10,000+ sq. ft. for large ones).
- Application Ease: Liquids use hose-end sprayers for simplicity; granular fertilizers require spreaders for even distribution.
- Soil Needs: Conduct a soil test to identify deficiencies (e.g., nitrogen, phosphorus, or pH issues). St. Augustine thrives in slightly acidic soil (pH 6.0-7.5).
- Safety: Choose organic options for pet- and kid-safe lawns or weed-and-feed products carefully to avoid harming sensitive St. Augustine varieties like Floratam.
- Budget: Organic fertilizers cost more per square foot ($0.01-$0.04/sq. ft.), while synthetics offer better value for large lawns ($0.004-$0.007/sq. ft.).
When to Fertilize: Apply every 6-8 weeks during spring (March-May), summer (June-July), and early fall (August-September). Avoid winter dormancy to prevent nutrient waste or lawn stress.
Safety Tips:
- Water thoroughly after application to activate nutrients and prevent burning.
- Use St. Augustine-safe herbicides in weed-and-feed products (check labels).
- Avoid over-application by following manufacturer guidelines.
St. Augustine Lawn Care Tips
- Mowing: Maintain 2.5-3 inches in full sun or 3-3.5 inches in shade to promote healthy growth and shade tolerance.
- Watering: Water deeply (1 inch) 1-2 times weekly, only when grass shows drought stress (e.g., blades folding or turning bluish).
- Weed Control: Apply pre-emergent herbicides in January/March to prevent weeds and use post-emergent herbicides cautiously, ensuring compatibility with St. Augustine.
- Pest Management: Monitor for chinch bugs or white grubs, common St. Augustine pests, and treat with targeted insecticides if needed.
- Dethatching: Remove thatch if it exceeds ¾ inch to improve nutrient and water absorption.
FAQs
- What’s the best NPK ratio for St. Augustine grass?
A 3-1-2 or 4-1-2 ratio (e.g., 16-4-8, 24-2-11) is ideal for established lawns, while higher phosphorus (e.g., 3-18-18) suits new sod or root-deficient lawns. - How often should I fertilize my St. Augustine lawn?
Every 6-8 weeks during the growing season (March-September), typically 3-4 times annually, based on soil needs and product instructions. - Can I use weed-and-feed products on St. Augustine?
Yes, but ensure the herbicide is safe for St. Augustine (e.g., avoid atrazine on Floratam). Lesco’s product is a good option but requires careful application. - Are organic fertilizers better for St. Augustine grass?
Organic options (e.g., Milorganite, Safer Brand) are safer for pets, kids, and the environment but may act slower and cover less area than synthetics. - How do I know if my lawn needs a soil test?
Test if your lawn shows yellowing, thinning, or poor growth despite regular care. Soil tests reveal pH and nutrient deficiencies for targeted fertilization.
Conclusion
The right fertilizer can transform your St. Augustine grass into a lush, vibrant lawn that enhances your home’s curb appeal. Whether you need rapid greening, weed control, or eco-friendly care, our best 10 fertilizer for St. Augustine list offers tailored solutions for every lawn size and budget. The Andersons PGF Complete 16-4-8 stands out for its balanced formula, large coverage, and professional-grade results, making it our top pick for most homeowners. Explore these top-rated fertilizers on Amazon today and start growing a stunning St. Augustine lawn that’s the envy of your neighborhood!