The sun beats down on your lawn, leaving brown, patchy spots where a vibrant carpet should be. Your Saint Augustine grass feels brittle under your boots, thirsty for the right balance of nutrients to regain its deep, emerald glow.
Finding the Best Fertilizers for Saint Augustine Grass feels like selecting the right fuel for a high-performance engine. A little research goes a long way toward turning that dry patch into a lush oasis. Read on to see which options match your lawn needs.
Key Takeaways
- Prioritize products containing a high nitrogen ratio to encourage the thick, lateral growth typical of healthy Saint Augustine grass.
- Identify whether your lawn needs a combined weed and feed product or a standalone fertilizer to prevent over-treating your soil.
- Check the concentration level to determine if you need a pre-mixed solution or a concentrate that requires dilution with water.
- Calculate the total square footage of your property before purchasing to ensure you have enough volume for the entire area.
- Select between liquid applications for rapid nutrient absorption or granular options for slow release throughout the season.
| Best Concentrated Growth |  |
Simple Lawn Solutions Liquid Fertilizer | High nutrient concentration | Easy sprayer attachment | Promotes rapid growth | View on Amazon | Read Review |
| Maximum Coverage Option |  |
Simple Lawn Solutions 32oz Liquid Fertilizer | Larger volume for lawns | Convenient hose attachment | Efficient nutrient delivery | View on Amazon | Read Review |
| Powerful Weed Defense |  |
LESCO Weed and Feed | Handles weeds and feeding | Heavy-duty granular formula | Contains effective herbicide | View on Amazon | Read Review |
| Balanced Growth Tonic |  |
Advanced 16-4-8 Liquid Fertilizer | Balanced nitrogen levels | Works on many grasses | Fast summer application | View on Amazon | Read Review |
| Long Lasting Nutrition |  |
Pennington Full Season Fertilizer | Slow release formula | Feeds throughout the season | Simple granular application | View on Amazon | Read Review |
More Details on Our Top Picks
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Simple Lawn Solutions Liquid Fertilizer
This liquid formula is your go-to solution if your Saint Augustine grass looks thin and needs a quick nutrient boost. It is designed for homeowners who want to apply a targeted treatment without dragging heavy bags across the lawn.
The concentrated nature of the product means you cover more ground with less volume. Just remember that because it is a fast-acting liquid, you might need to apply it more frequently than a granular option to maintain that lush, green density.
- Brand Name:Simple Lawn Solutions
- Product Type:Liquid lawn food
- Total Capacity:8 ounces
- Application Method:Hose-end sprayer
- Recommended Use:Saint Augustine grass
- Additional Feature:Concentrated liquid formula
- Additional Feature:Encourages thicker grass blades
- Additional Feature:Simple setup for homeowners
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Simple Lawn Solutions 32oz Liquid Fertilizer
When you have a larger property, the smaller bottles just won't cut it. This 32-ounce bottle provides enough volume to cover a substantial area, ensuring your entire lawn receives the same consistent nutrition during the growing season.
It functions like an IV drip for your soil, delivering nutrients directly to the root zone where they are absorbed quickly. But keep in mind that you must measure your lawn area accurately to avoid over-application, as liquid feeds can be potent if used too heavily.
- Brand Name:Simple Lawn Solutions
- Product Type:Liquid lawn food
- Total Capacity:32 ounces
- Application Method:Hose-end sprayer
- Recommended Use:Saint Augustine grass
- Additional Feature:Large capacity bottle
- Additional Feature:Quick absorption rate
- Additional Feature:Suitable for large lawns
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LESCO Weed and Feed
Saint Augustine grass is notorious for competing with invasive weeds, and this granular product acts as a dual-action shield. It provides the necessary nitrogen for grass health while simultaneously tackling unwanted intruders with the active ingredient Penoxsulam.
This is a heavy-duty solution for those dealing with stubborn weed infestations alongside nutrient deficiencies. Since it comes in a 50-pound bag, be prepared for some physical work, and ensure you use a broadcast spreader to get an even distribution across your yard.
- Brand Name:LESCO
- Product Type:Granular fertilizer
- Total Capacity:50 pounds
- Active Ingredient:Penoxsulam
- Application Method:Broadcast spreader
- Recommended Use:Weed control and feeding
- Additional Feature:Dual-action chemical profile
- Additional Feature:Large bag size
- Additional Feature:Targets broadleaf weeds
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Advanced 16-4-8 Liquid Fertilizer
If you want a balanced NPK ratio that doesn't over-stimulate your grass, this 16-4-8 formula is a smart choice. It works well throughout the spring and summer months to keep the lawn healthy and resilient against seasonal stress.
Because it is a liquid, you can apply it whenever the lawn needs a pick-me-up. It is a versatile tool that works on almost any grass type, so if you happen to have a patch of something else near your Saint Augustine, you do not need to switch products.
- Brand Name:Simple Lawn Solutions
- Product Type:Liquid lawn food
- Total Capacity:32 ounces
- Application Method:Spray application
- Recommended Use:Spring and summer
- Additional Feature:Balanced 16-4-8 ratio
- Additional Feature:Rapid nutrient absorption
- Additional Feature:Versatile across grass types
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Pennington Full Season Fertilizer
For those who prefer a set-it-and-forget-it approach, this granular fertilizer is your best friend. It is engineered to provide a steady release of nutrients over an extended period, which keeps your lawn fed without constant reapplication.
This is perfect for the busy homeowner who wants to ensure their grass stays healthy through the entire growing season. Just be sure to water the granules in thoroughly after you spread them, as they need moisture to activate the release process and reach the roots.
- Brand Name:Pennington
- Product Type:Granular fertilizer
- Total Capacity:11.2 pounds
- Application Method:Broadcast spreader
- Recommended Use:Full season feeding
- Additional Feature:Extended release technology
- Additional Feature:High nitrogen content
- Additional Feature:Ideal for busy schedules