Choosing the right fertilizer for St. Augustine grass is crucial for a lush, green lawn. Knowing the best fertilizer numbers ensures healthy growth and vibrant color.
St. Augustine grass thrives with the right balance of nutrients. Each fertilizer has specific numbers representing nitrogen, phosphorus, and potassium (N-P-K). These nutrients help your grass grow strong and resist diseases. In this blog post, we’ll discuss top fertilizers with the best N-P-K ratios for St.
Augustine grass. Products like Scotts EZ Patch Lawn Repair, SeedRanch St. Augustine Lawn Fertilizer, Scotts Turf Builder Bonus S, The Andersons Professional PGF Complete, and Organic Plant Magic are excellent choices. Understanding these numbers can help you achieve a beautiful lawn. Let’s dive into the details to make your lawn care easier.
Scotts Ez Patch Lawn Repair For St. Augustine Lawns

Scotts EZ Patch Lawn Repair For St. Augustine Lawns is a ready-to-use solution designed to help you repair and maintain your St. Augustinegrass lawns. This product combines mulch and fertilizer to ensure optimal growth and lawn health. With the ability to cover up to 85 sq. ft., it comes in a convenient 3.75 lbs. package, making it easy to handle and apply.
Pros:
- Combines mulch and fertilizer for comprehensive lawn repair.
- Specifically designed for St. Augustinegrass.
- Ready-to-use and easy to apply.
- Covers up to 85 sq. ft. per package.
Cons:
- Limited to St. Augustinegrass and may not be effective for other types of grass.
- Package weight of 3.75 lbs. may be too small for larger lawns.
Scotts EZ Patch Lawn Repair For St. Augustine Lawns is an excellent solution for homeowners looking to quickly and effectively repair their St. Augustinegrass lawns. The combination of mulch and fertilizer ensures that the grass receives the necessary nutrients and protection to thrive. Additionally, its ready-to-use format saves time and effort, making lawn care a more manageable task.
However, it is important to note that this product is specifically formulated for St. Augustinegrass and may not yield the same results with other grass types. Also, while the coverage of 85 sq. ft. is sufficient for small to medium-sized patches, larger lawns may require multiple packages. Despite these limitations, the ease of use and effectiveness of Scotts EZ Patch make it a valuable addition to any St. Augustinegrass lawn care routine.
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Seedranch St. Augustine Lawn Fertilizer

Introducing the SeedRanch St. Augustine Lawn 24-2-11 Fertilizer – 50 Lbs., an exceptional product designed to keep your lawn lush and green. This fertilizer is specifically formulated to cater to the needs of St. Augustine grass, ensuring optimal growth and health. Manufactured by SeedRanch and branded by Lesco, this product comes in a 50-pound package that offers substantial coverage for your lawn.
Pros:
- Specifically formulated for St. Augustine grass
- High nitrogen content for improved growth
- 50-pound package for extensive coverage
- Trusted brand and manufacturer
Cons:
- Heavy package might be difficult to handle
- Not suitable for all grass types
- Requires careful storage to prevent moisture absorption
The SeedRanch St. Augustine Lawn 24-2-11 Fertilizer stands out due to its specific formulation tailored for St. Augustine grass. The high nitrogen content (24%) ensures that your grass receives the essential nutrients it needs for vigorous growth and vibrant color. Additionally, the balanced ratio of phosphorus (2%) and potassium (11%) supports root development and overall plant health.
This fertilizer is packaged in a substantial 50-pound bag, making it ideal for large lawns. However, handling such a heavy package can be cumbersome, and it is important to store it properly to avoid moisture contamination. Despite these minor drawbacks, the product’s benefits outweigh the cons, making it a reliable choice for those looking to enhance their St. Augustine lawns.
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Scotts Turf Builder Bonus S Southern Weed & Feed2

Scotts Turf Builder Bonus S Southern Weed & Feed2 is a powerful combination of weed killer and lawn fertilizer designed for southern lawns. This product, which covers 5,000 sq. ft. and weighs 17.24 lbs., is manufactured by The Scotts Company LLC. It boasts a height of 13.0 inches, a width of 4.0 inches, and a length of 17.0 inches.
Pros:
- Effectively kills weeds while feeding the lawn
- Covers a large area of 5,000 sq. ft.
- Specially formulated for southern lawns
- Easy to apply and use
Cons:
- May not be suitable for all types of grass
- Requires precise application to avoid lawn damage
- Can be harmful if not used as directed
Scotts Turf Builder Bonus S Southern Weed & Feed2 is an excellent choice for homeowners with southern lawns looking to tackle both weeds and fertilization in one go. The product is specially designed to work on southern grasses, ensuring that your lawn gets the nutrients it needs while simultaneously eliminating unwanted weeds. Its ability to cover a large area of 5,000 sq. ft. makes it ideal for medium to large lawns, providing a comprehensive solution without the need for multiple applications.
The product’s ease of use is another significant advantage, allowing even novice gardeners to achieve professional results. However, it is essential to follow the application instructions carefully to avoid potential damage to your lawn. Over-application or incorrect usage can lead to harmful effects, so precision is crucial. Overall, Scotts Turf Builder Bonus S Southern Weed & Feed2 offers a convenient and effective way to maintain a lush, weed-free lawn in southern climates.
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The Andersons Professional Pgf Complete 16-4-8 Fertilizer

The Andersons Professional PGF Complete 16-4-8 Fertilizer with 7% Humic DG is a high-quality fertilizer that is designed to provide complete nutrition to your lawn. It covers up to 5,000 sq ft and is manufactured by The Andersons, a trusted brand in lawn care. Weighing 18.0 pounds, this fertilizer is packed with essential nutrients to help your lawn thrive.
Pros:
- Contains 7% Humic DG for better nutrient absorption
- Covers up to 5,000 sq ft
- Manufactured by The Andersons, a reputable brand
- Balanced 16-4-8 nutrient ratio
- Promotes healthy lawn growth
Cons:
- 18.0 pounds weight might be heavy for some users
- May require multiple applications for optimal results
The Andersons Professional PGF Complete 16-4-8 Fertilizer is a premium product designed to ensure your lawn receives all the essential nutrients it needs. The inclusion of 7% Humic DG enhances the soil’s ability to absorb nutrients, leading to healthier and more robust grass growth. Covering an area of up to 5,000 sq ft, this fertilizer is suitable for medium to large lawns, making it a versatile choice for many homeowners.
Despite its weight of 18.0 pounds, which might be cumbersome for some users, the benefits it offers can outweigh this minor inconvenience. The 16-4-8 nutrient ratio is well-balanced, providing a mix of nitrogen, phosphorus, and potassium that supports overall lawn health. While multiple applications might be needed to achieve the best results, the long-term impact on your lawn’s vitality is significant, making The Andersons Professional PGF Complete 16-4-8 Fertilizer a worthwhile investment.
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Organic Plant Magic – Truly Organicâ„¢ Slow Release Granular Lawn Fertilizer

Organic Plant Magic – Truly Organicâ„¢ Slow Release Granular Lawn Fertilizer is the best fertilizer for grass, Bermuda, St. Augustine, yard, and lawn care. This product is designed to provide essential nutrients to your lawn in a slow-release format, ensuring long-lasting and consistent growth.
Pros:
- Truly organic formulation.
- Slow-release for long-lasting effect.
- Suitable for various types of grass like Bermuda and St. Augustine.
- Improves soil health and microbial activity.
- Easy to apply granular form.
Cons:
- May be more expensive than synthetic options.
- Requires consistent application for best results.
- 20 lb bag may not be sufficient for larger lawns.
The Organic Plant Magic – Truly Organicâ„¢ Slow Release Granular Lawn Fertilizer stands out due to its truly organic formulation, making it a safe choice for households with pets and children. The slow-release nature of the granules ensures that your lawn receives a steady supply of nutrients over time, promoting healthier and more robust grass growth. This fertilizer is particularly beneficial for Bermuda and St. Augustine grasses, which thrive with consistent nutrient supply.
In addition to its nutrient-rich composition, this fertilizer also enhances soil health by boosting microbial activity. The easy-to-apply granular form makes it convenient for users to spread the fertilizer evenly across their lawns. However, it is important to note that this product may be more expensive compared to synthetic alternatives and requires regular application for optimal results. Additionally, a 20 lb bag might not cover larger lawns, necessitating the purchase of multiple bags.
To buy this product, click here.
Frequently Asked Questions
What Are The Best Fertilizer Numbers For St. Augustine Grass?
The best fertilizer numbers for St. Augustine grass are typically high in nitrogen. A recommended ratio is 16-4-8, which promotes healthy growth and green color.
How Often Should I Fertilize St. Augustine Grass?
Fertilize St. Augustine grass every 6-8 weeks during the growing season. Avoid fertilizing during dormancy to prevent nutrient waste.
Can I Use Organic Fertilizer On St. Augustine Grass?
Yes, organic fertilizers like Organic Plant Magic are suitable for St. Augustine grass. They provide slow-release nutrients and improve soil health.
What Is The Best Weed And Feed For St. Augustine Grass?
Scotts Turf Builder Bonus S Southern Weed & Feed2 is ideal for St. Augustine grass. It kills weeds and fertilizes simultaneously.
How Do I Repair Bare Spots In St. Augustine Grass?
Use Scotts EZ Patch Lawn Repair for St. Augustine lawns. It combines mulch and fertilizer to repair bare spots effectively.
Is Slow-release Fertilizer Good For St. Augustine Grass?
Yes, slow-release fertilizers, such as The Andersons Professional PGF Complete, provide consistent nutrients over time, promoting steady and healthy growth.
Conclusion
Choosing the best fertilizer for st. Augustine grass ensures a lush, green lawn. Scotts ez patch lawn repair is perfect for small patches. For larger areas, seedranch’s 24-2-11 formula offers balanced nutrients. Scotts turf builder bonus s not only feeds your lawn but also tackles weeds.
The andersons professional pgf complete provides a mix of nutrients and humic acid for healthy growth. For an organic option, organic plant magic offers slow-release nutrients. Each product has unique benefits. Pick one based on your lawn’s specific needs. Remember to follow the instructions for the best results.
With the right fertilizer, your st. Augustine grass will thrive. Enjoy a beautiful, healthy lawn all season long.