Top 5 Ranked Products
We analyzed millions of Amazon products to handpick the top recommendations just for you.

#1 Ranked
Scotts Turf Builder WinterGuard Fall Weed & Feed3, Weed Killer Plus Fall Fertilizer, 4,000 sq. ft., 11.43 lbs.
Price: $29.67
Rating: ★★★★★
ASIN: B0BGMNB1CQ
Score: 94%
Overview:
Scotts Turf Builder WinterGuard Fall Weed & Feed3 is a dual-action lawn care product designed to both eliminate weeds and nourish grass during the fall season. This combination of weed killer and fertilizer is formulated to target over 50 common lawn weeds while simultaneously providing essential nutrients to promote a healthier lawn for the following spring. The product is suitable for a variety of grass types, making it versatile for different lawn care needs.
The application process is straightforward, requiring the product to be spread on a moist lawn when temperatures are consistently between 60°F and 90°F. With coverage for up to 4,000 square feet, this 11.43 lb. bag provides ample supply for medium-sized yards. While there are no current user reviews to gauge customer satisfaction, the product's specifications suggest it effectively addresses common lawn care challenges, particularly in the fall season when weed growth is prevalent.
Pros:
- Weed Control: Effectively kills over 50 types of common lawn weeds.
- Nutrient-Rich: Provides essential fall fertilizer to promote grass health.
- Versatile Use: Suitable for multiple grass types including Bermudagrass and Fescue.
Cons:
- Temperature Sensitivity: Requires specific temperature conditions for optimal application.
- Application Timing: Must be applied at a precise time for best results, which may not suit all schedules.

#2 Ranked
Scotts Turf Builder WinterGuard Fall Lawn Fertilizer for All Grass Types, 4,000 sq. ft., 10 lbs.
Price: $26.20
Rating: ★★★★☆
ASIN: B0BGMM1FZV
Score: 99%
Overview:
Scotts Turf Builder WinterGuard Fall Lawn Fertilizer is specifically designed to enhance lawn health during the critical fall season. This product focuses on building strong, deep roots, which is essential for ensuring a lush and vibrant lawn come spring. It is suitable for all grass types and can be applied to either wet or dry lawns, providing versatility in application. This fertilizer is particularly beneficial for lawns recovering from the stresses of summer, including heat, drought, and wear from foot traffic.
The 10 lb. bag covers an impressive area of 4,000 square feet, making it a cost-effective solution for homeowners looking to maintain their lawns. The formulation is tailored to deliver essential nutrients that promote recovery and resilience, setting the stage for optimal growth in the following growing season. However, potential users should note that there are currently no available reviews, which may leave some uncertainty regarding its performance and effectiveness.
Pros:
- Root Development: Promotes strong, deep grass roots for improved lawn health.
- Seasonal Application: Can be applied in fall when lawns benefit most from feeding.
- Versatile Use: Suitable for all grass types, making it a universal solution for various lawns.
Cons:
- Limited Coverage: While 4,000 sq. ft. is substantial, larger lawns may require multiple bags.
- Seasonal Limitation: Primarily designed for fall use, which may not suit year-round lawn care needs.

#3 Ranked
Scotts Green Max Lawn FoodFL, Lawn Fertilizer Plus Iron Supplement for Greener Grass, 5,000 sq. ft., 15.15 lbs.
Price: $37.48
Rating: ★★★★☆
ASIN: B07YM5YLP5
Score: 88%
Overview:
Scotts Green Max Lawn FoodFL is a specialized lawn fertilizer designed to enhance the greenness and overall health of your lawn. This product combines a dual-action formula that not only feeds the grass for up to three months but also incorporates iron to promote deep greening within just three days of application. Utilizing Scotts' exclusive All-in-One Particles technology, the fertilizer ensures an even distribution of nutrients, making it effective for various grass types. The product is specifically tailored for use in Florida, providing a targeted solution for local lawn care needs.
The application process is straightforward: users apply the fertilizer to a dry lawn and then water it in to activate the nutrients. With a coverage area of 5,000 square feet per 15.15 lb. bag, it is designed to cater to medium-sized lawns efficiently. However, potential buyers should note that the product is limited to availability in Florida, which may restrict its use for those outside the region. Overall, Scotts Green Max Lawn FoodFL presents a compelling option for homeowners seeking to enhance their lawn's appearance and health in a specific geographic area.
Pros:
- Fast Results: Provides deep greening in just 3 days, enhancing the lawn's appearance quickly.
- Long-lasting: Feeds the lawn for up to 3 months, reducing the frequency of applications.
- All Grass Types: Safe for use on all grass types, making it versatile for various lawns.
Cons:
- Geographical Limitation: Only available in Florida, limiting access for users in other regions.
- Application Requirement: Requires watering after application, which may be inconvenient for some users.

#4 Ranked
Scotts Turf Builder Rapid Grass Sun & Shade Mix, Combination Seed and Fertilizer, Grows Green Grass in Just Weeks, 5.6 lbs.
Price: $33.50
Rating: ★★★★☆
ASIN: B08KGYF4RX
Score: 84%
Overview:
Scotts Turf Builder Rapid Grass Sun & Shade Mix is a specialized combination of grass seed and fertilizer designed to promote rapid growth in various lawn conditions. It aims to establish lush green grass quickly, making it ideal for large problem areas and new grass installations. The product is formulated to work effectively in both sunny and shaded regions, offering versatility for different lawn environments. With a coverage area of 839 square feet for new lawns and 2,800 square feet for overseeding, it provides ample coverage for typical residential use.
The unique selling point of this product is its ability to grow grass up to two times faster than conventional seed alone, assuming proper application and care. This feature makes it an attractive option for homeowners looking to rejuvenate their lawns swiftly. However, it is important to note that optimal results are contingent on applying the product during specific temperature ranges and may not be available in all states, potentially limiting accessibility for some consumers.
Pros:
- Fast Growth: Grows grass up to 2X faster than traditional seed.
- Combination Formula: Includes both seed and fertilizer for enhanced results.
- Versatile Application: Suitable for both sunny and shaded areas.
Cons:
- Temperature Sensitivity: Requires application during specific temperature ranges (60°F to 80°F).
- Limited Availability: May not be available in every state, restricting access.

#5 Ranked
Scotts Turf Builder Lawn Food - Fertilizer for All Grass Types, 5,000 sq. ft., 12.5 lbs.
Price: $26.97
Rating: ★★★★☆
ASIN: B005W1QXQW
Score: 84%
Overview:
Scotts Turf Builder Lawn Food is a versatile fertilizer designed to cater to all grass types, providing essential nutrients to enhance lawn health. With a coverage area of 5,000 square feet per 12.5 lbs. bag, it is suitable for both residential and commercial applications. The product not only feeds grass but also strengthens it, promoting deep root growth and improving water and nutrient absorption. This makes it a valuable addition to any lawn care regimen, especially for those looking to prevent future lawn problems.
The ease of application, whether on wet or dry lawns, adds to its convenience, allowing users to integrate it seamlessly into their lawn care routine. Though there are no reviews available, the product's features suggest it is designed to foster a lush, green lawn while addressing common issues associated with lawn maintenance. Its ability to work on any grass type makes it a flexible choice for diverse landscaping needs.
Pros:
- Versatile Application: Can be applied to wet or dry lawns, enhancing convenience for users.
- Comprehensive Coverage: One bag covers up to 5,000 sq. ft., making it suitable for larger areas.
- Strengthens Grass: Promotes deep root growth and improves nutrient absorption, leading to a healthier lawn.
Cons:
- Limited Immediate Results: Fertilizers typically require time to show visible improvements, which may frustrate some users.
- Potential Over-Fertilization Risk: Improper application could lead to over-fertilization, negatively impacting lawn health.
Product Information & Tips
Overview
St. Augustine grass is a popular warm-season turfgrass known for its lush appearance and ability to thrive in various climates, particularly in the southern United States. However, maintaining its health and vibrancy requires the right fertilization strategy. Selecting the best fertilizer for St. Augustine grass is crucial for promoting growth, enhancing color, and ensuring resilience against pests and diseases.
Understanding the nutrient requirements of St. Augustine grass is essential for effective fertilization. This grass type typically needs a balanced supply of nitrogen, phosphorus, and potassium (N-P-K) to support its growth cycle, especially during the growing season. Choosing the right fertilizer can significantly impact the overall health of the lawn, making it lush and vibrant while minimizing the risk of nutrient deficiencies.
Key Criteria
1. Nutrient Composition:
- The ideal fertilizer for St. Augustine grass should have a balanced N-P-K ratio, often around 3:1:2. This composition supports healthy growth and greening, which is essential for the grass's aesthetic appeal.
2. Slow-Release Formulation:
- Slow-release fertilizers provide a steady supply of nutrients over an extended period, reducing the risk of nutrient leaching and promoting sustained growth. This is particularly beneficial for St. Augustine grass, which requires consistent nutrient availability.
3. Soil pH Compatibility:
- St. Augustine grass thrives in slightly acidic to neutral soil (pH 6.0 to 7.0). Fertilizers that help maintain or adjust soil pH can enhance nutrient uptake and overall grass health.
4. Application Timing:
- Timing is critical for fertilizer application. St. Augustine grass should be fertilized in spring and summer when it is actively growing. Understanding the best times for application can maximize the effectiveness of the fertilizer.
5. Organic vs. Synthetic Options:
- Both organic and synthetic fertilizers can be effective for St. Augustine grass. Organic options improve soil health over time, while synthetic fertilizers provide quick nutrient availability. The choice depends on the gardener’s preferences and environmental considerations.
Frequently Asked Questions
Q1: What type of fertilizer should I use for St. Augustine grass?
A1: A balanced fertilizer with a ratio of approximately 3:1:2 (N-P-K) is recommended for St. Augustine grass to ensure healthy growth and color.
Q2: How often should I fertilize St. Augustine grass?
A2: It is generally recommended to fertilize St. Augustine grass every 6-8 weeks during the growing season, typically from spring to early fall.
Q3: Can I use organic fertilizers on St. Augustine grass?
A3: Yes, organic fertilizers can be beneficial for St. Augustine grass as they improve soil health and provide nutrients over time, though they may take longer to show results compared to synthetic options.
Q4: What is the best time to fertilize St. Augustine grass?
A4: The best time to fertilize St. Augustine grass is in late spring and throughout the summer when the grass is actively growing and requires more nutrients.
Q5: How can I tell if my St. Augustine grass needs fertilizer?
A5: Signs that your St. Augustine grass may need fertilizer include yellowing leaves, slow growth, and a general lack of vibrancy. Soil testing can also help determine nutrient deficiencies.
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