Floratam grass is a bit of a diva. It demands a specific nutritional balance to maintain that deep, emerald hue, and it reacts poorly to products meant for other varieties.
Knowing the difference between a quick green-up and long-term soil health is the secret to a thriving lawn. These are the Best Fertilizers for Floratam Grass that prioritize performance over filler.
Key Takeaways
- Prioritize high nitrogen formulas because Floratam needs a steady supply of nutrients to stay thick and competitive against weeds.
- Choose liquid fertilizers for rapid absorption during the peak summer months when the grass is growing at its fastest pace.
- Check the iron content on the label if you want to improve color without forcing excessive, weak growth.
- Avoid products labeled for general broadleaf weed control unless you confirm they are safe for St. Augustine variants like Floratam.
- Apply granular options when you need a slow release of nutrients that will persist in the soil for several weeks.
| Best Overall Liquid |  |
Scotts Turf Builder Liquid Lawn Food | Fast absorption | Easy application | No spreading required | View on Amazon | Read Review |
| Reliable Granular Classic |  |
Scotts Turf Builder Lawn Food | Long term feeding | Covers large areas | Proven track record | View on Amazon | Read Review |
| Ideal Seasonal Tonic |  |
Simple Lawn Solutions Balanced Liquid | Balanced nutrient profile | Good for summer | Easy spray application | View on Amazon | Read Review |
| Growth Powerhouse |  |
Simple Lawn Solutions High Nitrogen | Rapid greening | High nitrogen content | Quick uptake | View on Amazon | Read Review |
| New Lawn Essential |  |
Scotts Turf Builder Starter Fertilizer | Promotes root growth | Perfect for new sod | Nutrient dense | View on Amazon | Read Review |
| Two In One |  |
Scotts SummerGuard Insect Control | Dual purpose | Simple summer defense | Protects against damage | View on Amazon | Read Review |
| Best Weed Defense |  |
Scotts Turf Builder Weed Feed | Kills common weeds | Feeds the grass | Thickens turf | View on Amazon | Read Review |
| Iron Supplement Expert |  |
Scotts Liquid Green Max | Rapid greening | Iron enriched | Easy hose application | View on Amazon | Read Review |
| Soil Health Booster |  |
Simple Lawn Solutions Humic Acid | Improves nutrient uptake | Contains humic acid | Supports root health | View on Amazon | Read Review |
| Best Organic Choice |  |
Down To Earth Organic Bio-Turf | Natural ingredients | Pet friendly | Sustainable choice | View on Amazon | Read Review |
More Details on Our Top Picks
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Scotts Turf Builder Liquid Lawn Food
If you want to feed your lawn without lugging around heavy bags, this liquid concentrate is your best bet. It is ideal for homeowners who prefer a quick, direct application method that works on all grass types, including Floratam.
The formula provides a 29-0-3 ratio, delivering a potent dose of nitrogen to jumpstart growth. But be mindful that liquids do not stay in the soil as long as granules, so you will need to apply it more frequently throughout the growing season.
- Brand:Scotts
- Form:Liquid
- Nitrogen Content:29%
- Weight:32 fl. oz.
- Additional Feature:Concentrated formula
- Additional Feature:Hose end attachment
- Additional Feature:Immediate greening effect
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Scotts Turf Builder Lawn Food
Sometimes the old ways are the best ways, and this granular food is a staple for a reason. It is designed to provide consistent nourishment over time, making it a solid choice for those who want a "set it and forget it" approach to lawn maintenance.
The granules work by slowly releasing nutrients, which helps your Floratam build a stronger root system. Just ensure you have a standard broadcast spreader to cover your lawn evenly, or you might end up with patchy, uneven growth.
- Brand:Scotts
- Form:Granular
- Weight:12.5 lbs.
- Coverage Area:5,000 sq. ft.
- Additional Feature:Consistent nutrient release
- Additional Feature:Easy to spread
- Additional Feature:Promotes dense growth
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Simple Lawn Solutions Balanced Liquid
This balanced liquid is a fantastic choice if your lawn looks a bit tired during the mid-summer slump. With a 16-4-8 NPK ratio, it offers a more measured approach than high-nitrogen formulas, which can be safer for sensitive Floratam.
It works exceptionally well as a supplemental feed when the grass needs a gentle nudge rather than a total overhaul. The main limitation is that you must keep up with the spray schedule, as it is designed for regular maintenance rather than a single annual blast.
- Brand:Simple Lawn Solutions
- Form:Liquid
- Nitrogen Content:16%
- Weight:32 oz.
- Additional Feature:Concentrated spray
- Additional Feature:Balanced NPK
- Additional Feature:Simple setup
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Simple Lawn Solutions High Nitrogen
When you need to turn a pale lawn into a deep green carpet, a high-nitrogen boost is the fastest way to get there. This formula focuses on rapid leaf development, making it perfect for Floratam that has been struggling or recovering from a harsh winter.
Because it packs such a heavy nitrogen punch, you have to be careful with your application rate. Over-applying can lead to excessive top growth that leaves your grass vulnerable to disease and pests.
- Brand:Simple Lawn Solutions
- Form:Liquid
- Nitrogen Content:28%
- Weight:32 oz.
- Additional Feature:Quick release
- Additional Feature:Attached sprayer
- Additional Feature:High efficiency
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Scotts Turf Builder Starter Fertilizer
If you are laying down new sod or plugging in new areas of Floratam, you need a different strategy than you would for an established lawn. This starter fertilizer is specifically formulated to help young roots establish themselves in the soil.
It provides the necessary phosphorus to encourage root development before the grass focuses on blade growth. Do not use this as a general-purpose fertilizer for an old, established lawn, as it lacks the high nitrogen levels needed for mature grass.
- Brand:Scotts
- Form:Granular
- Weight:15 lbs.
- Coverage Area:5,000 sq. ft.
- Additional Feature:Specialized root formula
- Additional Feature:High phosphorus
- Additional Feature:Easy to apply
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Scotts SummerGuard Insect Control
Floratam is unfortunately a favorite snack for various lawn pests, especially during the summer. This product combines your essential lawn food with an insect killer, saving you the trouble of making two separate trips around the yard.
It is a convenient way to keep your grass healthy while proactively defending against common summer invaders. The downside is that you are applying a chemical pesticide, which might be overkill if your lawn is not currently dealing with a pest infestation.
- Brand:Scotts
- Form:Granular
- Weight:13.35 lbs.
- Coverage Area:5,000 sq. ft.
- Additional Feature:Insect control
- Additional Feature:Lawn fertilizer
- Additional Feature:Summer protection
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Scotts Turf Builder Weed Feed
Weeds are the natural enemy of a uniform Floratam lawn, and this product is designed to handle them while feeding your grass. It uses a weed killer to tackle common invaders like clover and dandelions.
It is best to use this when weeds are actively growing, as that is when the herbicide is most effective. Just remember that it requires moist grass blades to stick properly, so you should water the lawn lightly before applying it.
- Brand:Scotts
- Form:Granular
- Weight:14.29 lbs.
- Coverage Area:5,000 sq. ft.
- Additional Feature:Weed control
- Additional Feature:Turf thickening
- Additional Feature:Convenient application
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Scotts Liquid Green Max
Sometimes, your lawn has plenty of nitrogen but still looks yellow because it lacks essential micronutrients. This liquid supplement is loaded with iron, which is the secret ingredient for that deep, dark green color that Floratam is famous for.
You will see results surprisingly quickly because the iron is absorbed through the leaves. It is a fantastic supplemental tool, but it does not replace the need for a primary nitrogen-rich fertilizer during the main growing months.
- Brand:Scotts
- Form:Liquid
- Weight:32 oz.
- Additional Feature:Iron supplement
- Additional Feature:Fast results
- Additional Feature:Simple application
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Simple Lawn Solutions Humic Acid
If you want to go beyond simple fertilizer, look into soil conditioners that improve the environment for your roots. This formula includes humic acid, which helps your Floratam grass absorb nutrients more efficiently from the soil.
It acts like a vitamin supplement for your lawn, ensuring that whatever fertilizer you use is actually being put to work by the roots. It is not a standalone food source, so use it alongside your regular feeding routine for the best possible results.
- Brand:Simple Lawn Solutions
- Form:Liquid
- Weight:32 oz.
- Additional Feature:Included sprayer
- Additional Feature:Concentrated formula
- Additional Feature:Soil conditioning
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Down To Earth Organic Bio-Turf
Not everyone wants to use synthetic chemicals on their yard, and this organic granular fertilizer is a great alternative. It uses natural ingredients to provide a slow release of nutrients that won't burn your grass.
This is perfect if you have pets or children who spend a lot of time on the lawn. Because it is organic, it works more slowly than synthetic options, so patience is key when you are building soil quality over time.
- Brand:Down To Earth
- Form:Granular
- Nitrogen Content:8%
- Weight:4 lbs.
- Additional Feature:Organic formula
- Additional Feature:Slow release
- Additional Feature:Landscape safe
Frequently Asked Questions
How often should I fertilize my Floratam lawn?
You should fertilize your lawn about four times per year during the growing season. Space your applications roughly eight weeks apart to keep the grass fed without overstimulating it.
Will fertilizer kill my Floratam grass if I apply too much?
Yes, applying too much fertilizer can cause nitrogen burn, which leaves ugly brown streaks or patches across your yard. Always follow the bag instructions for your specific spreader settings to ensure you are applying the correct amount per square foot.
Can I use a weed and feed product on Floratam?
You can, but you must verify that the product is specifically cleared for St. Augustine grass. Using a generic weed and feed that contains chemicals like 2,4-D will often cause significant damage to your lawn.
Should I water the lawn after fertilizing?
Watering is essential because it helps wash the fertilizer off the grass blades and into the soil. Aim for about one quarter inch of water shortly after application to move the nutrients down to the root system.
Why is my Floratam still yellow after fertilizing?
If your lawn stays yellow despite regular feeding, it likely suffers from an iron deficiency or high soil pH. You may need to apply a liquid iron supplement or a soil acidifier to help the grass properly absorb the nutrients already in the ground.
