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Top 10
June 2025
Best Liquid Lawn Fertilizer For St Augustine Grass
We made a list of the top 10 Liquid Lawn Fertilizer For St Augustine Grass based on verified reviews, popularity and other factors which we summarized for you in this list.
Best Choice
1
Advanced 16-4-8 Lawn Fertilizer - Liquid Lawn Food Spring & Summer Concentrated Spray - Any Grass Type- Fish and Seaweed Kelp- Balanced NPK - Simple Lawn Solutions (1 Quart)
Simple Lawn Solutions
9.0
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16-4-8 Liquid Lawn Food Fertilizer: The perfect blend of key macronutrients. This lawn liquid food turf fertilizer also contains Seaweed & Fish
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This complete Nitrogen, Phosphate, and Potash formula gives your grass greening & growth while providing nutrients for lush lawns. Apply 16-4-8 Liquid Fertilizer using a hose end sprayer, backpack sprayer, pump up sprayer or watering can
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Blended with 16% Nitrogen. Nitrogen is a major component of chlorophyll, where lawns get their green coloring. Nitrogen encourages growth for the development of a dense attractive lawn
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Blended with 4% Phosphorus. Phosphorus encourages root development and enhances lawn establishment in early stages
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Blended with 8% Potassium. Potassium can enhance a lawn’s endurance to temperatures and drought if a deficiency is present
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Contains Seaweed and Fish. Seaweed & Fish Emulsion provides rich nutrients to soil for a more effective Lawn Food and optimum nutrient uptake
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Application Rates for Lawn, Garden and Indoor Plants: Versatile Formula can be used on turf grass, ornamentals, young plants, flower beds, potting soil, young trees, garden and hardy plants
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All Grass types: Including Bermuda, St. Augustine, Zoysia, Buffalo, Centipede, Florida Palmetto, Bahia, Fescue, Ryegrass & Kentucky Bluegrass
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Produced In The United States: 16-4-8 is manufactured in the United States of America, by a family-owned business with over 25 years of former experience in the commercial professional turf industry
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Use Alongside Fertilizer Program. 16-4-8 Liquid Fertilizer can be used with your current fertilizer program. Great as a supplement to granular fertilizer programs for a quick plant uptake
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2
Scotts Liquid Green Max Lawn Food: 2,000 sq. ft., 2-in-1 Fertilizer and Iron Supplement, Use on Any Grass Type, 32 oz.
Scotts
8.8
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Scotts Liquid Green Max Lawn Food is your go-to liquid fertilizer and iron supplement for greening your lawn in just 3 days, so bring on those last-minute barbecues and an outdoor season chock-full of fun
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The dual-action, 2-in-1 formula feeds and supplements with iron to enhance and deepen the green color of your grass
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Apply to any type of grass, from Kentucky Bluegrass to Bermudagrass; for the best results use regularly from early spring through late fall
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A well-fed lawn leads to a green lawn, which cleans air, prevents runoff and soil erosion, and makes the great outdoors even greater
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Application is as easy as connecting your hose to the bottle, pointing the spray nozzle and letting this liquid fertilizer cover up to 2,000 sq ft—no granules, no spreaders, no hassle
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3
Ultimate 3-18-18 NPK- Lawn Food Quality Liquid Fertilizer- Easy to Use Concentrated Spray- Any Grass Type- Summer & Fall Nutrients- Simple Lawn Solutions - Turf Hardiness & Root Vigor (32 Ounce)
Simple Lawn Solutions
8.6
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✓
High Phosphorus, High Potassium Lawn Food: If your lawn is showing symptoms of a Phosphorus and Potassium deficiency or if you want to maintain lawn health then this is the correct fertilizer for you!
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Made With High Quality Feed Grade Ingredients: Nourish your lawn to its top potential with quality liquid lawn Nutrients.
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Easy To Use: Designed to be easily applied. This high Phosphorus & Potassium Lawn Food gives your lawn the nutrients it needs for strong root development, vigor, and strength.
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Can Be Used on All Grass Types: Including Bermuda, St. Augustine, Zoysia, Buffalo, Centipede, Palmetto & Bluegrass Lawns.
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Easy to Use: Our 3-18-18 Lawn Fertilizer Food comes with a ready-to-use hose end sprayer that applies the perfect ratio of product for lawn applications. Covers up to 3,200 square feet, when using the attached sprayer.
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Great Starter Fertilizer: High Phosphorus and Potassium Lawn Food provides essential Phosphorus to promote plant development, and is highly recommended when establishing a lawn.
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Contains 3% Nitrogen. Low Nitrogen Formula. Nitrogen can encourage growth for the development of a dense, attractive lawn.
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Contains 18% Phosphorus. Phosphorus encourages root development, and is essential for turf establishment. Phosphorus effects on turf are usually more subtle and, while not as readily visible, are still very important.
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Contains 18% Potassium. Potassium can enhance the plant’s endurance to stress if a deficiency is present. The application of Potassium will generally not show a visible response.
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Produced In The USA: 3-18-18 is Manufactured in the United States of America, by a Family Owned Business with over 25 Years of Former Experience in the Commercial Professional Turf and Agriculture Industry.
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10% Discount
4
Scotts Liquid Turf Builder Lawn Fertilizer for All Grass Types, Feeds and Waters Lawn at Same Time, 32 fl. oz.
Scotts
8.5
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Scotts Liquid Turf Builder Lawn Food contains the essential nutrients and feeding power lawns need for great results
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This 2-in-1 liquid fertilizer makes it easy to feed and water your grass at the same time
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Apply this grass fertilizer to actively growing turf
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This lawn care product can be applied to any grass type
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One 32 fl. oz. bottle of Scotts Liquid Turf Builder Lawn Food covers 2,000 sq. ft.
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11% Discount
5
Scotts Liquid Turf Builder with Plus 2 Weed Control, Liquid Weed Killer and Fertilizer, 32 fl. oz.
Scotts
8.4
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Scotts Liquid Turf Builder with Plus 2 Weed Control kills listed weeds while giving your lawn a quick boost of nitrogen
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Liquid weed killer plus fertilizer controls dandelion, clover, ground ivy, henbit, chickweed, plantain, poison ivy, and other broadleaf weeds as listed
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Apply this ready-to-spray weed and feed when weeds are actively growing
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This lawn care product is for use on Bluegrass, Fescue, Ryegrass, Bahiagrass, Common Bermudagrass, Centipedegrass, and Zoysiagrass
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One 32 fl. oz. container of Scotts Liquid Turf Builder with Plus 2 Weed Control provides coverage of 6,000 sq. ft. for warm season lawns and 4,000 sq. ft. for cool season lawns
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6
Superior 15-0-15 Liquid Lawn Fertilizer - Lawn Food for Growth & Green - Nitrogen, Potassium, Humic, Fish & Seaweed - Any Grass Type- Simple Lawn Solutions - All Season- Attached Sprayer (32 Ounce)
Simple Lawn Solutions
8.3
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✓
15-0-15 Lawn Fertilizer To Promote Greening, Growth And Turf Hardiness: The Power Of Nitrogen & Potassium Blended With Humic, Fish And Seaweed. Intensify Green And Growth While Providing Key Nutrients For Turf Hardiness.
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Can Be Used On All Grass Types: Lawn Fertilizer For Bermuda Grass, St. Augustine Grass, Zoysia Grass, Tall Fescue, Fine Fescue & Kentucky Bluegrass.
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Liquid Lawn Fertilizer: 15-0-15 Nutrient Ratio Provides Balanced Nutrients For Overall Lawn Vigor. Liquid Fertilizer For Spring, Summer And Fall.
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Nitrogen Lawn Fertilizer: Nitrogen Encourages Vigorous Growth For The Development Of A Dense Green Attractive Lawn. Nitrogen Is The Most Essential Macronutrient For Turf.
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Potassium Fertilizer For Lawns: Potassium Can Enhance The Plant’s Endurance To Stress If A Deficiency Is Present. This Concentrated Liquid Fertilizer Provides Essential Nutrients.
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15-0-15 Fertilizer Blended With Humic, Fish And Kelp: Our Humic Is Derived From The Highest Quality Humate Source, Leonardite. Our Ascophyllum Nodosum Seaweed Harvested In The Icy North Atlantic.
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Attached Easy To Use Sprayer: 15-0-15 Liquid Lawn Food Comes With An Attached Ready To Use Sprayer. Hook To Your Hose To Apply. Covers 3,200 Square Feet.
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Use Alongside Fertilizer Program. 15-0-15 Liquid Fertilizer Can Be Used With Your Current Fertilizer Program For A Quick Nutrient Uptake.
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Produced In The United States: 15-0-15 Is Manufactured In The United States Of America, By A Family Owned Business With Over 25 Years Of Former Experience In The Commercial Professional Turf Industry.
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21% Discount
7
Advanced 16-4-8 Balanced NPK - Lawn Food Quality Liquid Fertilizer - Spring & Summer Concentrated Spray - Any Grass Type - Simple Lawn Solutions (32 Ounce)
Simple Lawn Solutions
8.2
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✓
Complete NPK Lawn Food: 16-4-8 is the perfect blend of key macronutrients. This lawn liquid food turf fertilizer also contains Seaweed & Fish.
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Contains High Quality Feed Grade Ingredients: Nourish your lawn with pure liquid Nutrients in a ready to use sprayer
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Easy To Use: Designed to be easily applied. This complete Nitrogen, Phosphate and Potash formula gives your grass greening & growth while providing nutrients for lush lawns
✓
All Grass types: Including Bermuda, St. Augustine, Zoysia, Buffalo, Centipede, Florida Palmetto, Bahia, Fescue, Ryegrass & Kentucky Bluegrass
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Produced In The United States: 16-4-8 is manufactured in the United States of America, by a family owned business with 25 years of former experience in the commercial professional turf industry.
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Blended with 16% Nitrogen. Nitrogen is a major component of chlorophyll where plants get their green coloring. Nitrogen encourages vigorous growth for the development of a dense attractive lawn.
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Blended with 4% Phosphorus. Phosphorus encourages root development, and enhances vigorous plant development in early stages.
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Blended with 8% Potassium. Potassium enhances plant tolerance to extreme temperatures and drought, while also playing an essential role in the transfer of nutrients and regulation of water and nutrients.
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Contains Seaweed and Fish. Seaweed & Fish Emulsion provides rich, organic matter to soil for a more effective Lawn Food and optimum nutrient uptake.
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16-4-8 Lawn Food is best to be used to maintain and feed your lawn, if you want to enhance the green of your lawn, if you are trying to boost vertical and lateral growth, and/or if your lawn is deficient in Macronutrients like Nitrogen, Phosphorus and Potassium.
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8
Sunday Green Machine Fertilizer, 42.3oz, 2 Pack - Liquid Lawn Fertilizer for Lush Growth - Includes Universal Sprayer Attachment - Covers Up to 10,000 Sq Ft - Easy Application in 15 Minutes or Less
SUNDAY
8.1
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SUNDAY IS OFFICIALLY ON AMAZON: Sunday Lawn Care, the premium lawn care brand now available on Amazon! Say goodbye to harsh chemicals and hello to a healthier, greener lawn with Sunday.
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NUTRIENTS YOUR LAWN NEEDS: Our 22-0-3 cutting-edge liquid formulation helps fortify your grass by encouraging deep rooting with ingredients like nitrogen, seaweed, iron, and potassium.
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BENEFITS OF FERTILIZING: By fertilizing your lawn with Green Machine, you can extend the greenness of your lawn, and improve your lawn’s ability to resistance to injury.
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WHEN TO APPLY: Apply every 4 to 6 weeks while grass is still growing and daily temps range from 60-89° F. For best results, avoid applying fertilizer past mid-October.
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EASY, DIY LAWN CARE: Fertilizing your lawn with Sunday is as easy as watering your lawn! Simply attach the pouch and universal sprayer to your hose and spray!
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9
Commercial Grade Lawn Fertilizer with Iron- Liquid Fertilizer Spray- Nitrogen and Iron for Deeper Green Turf- Any Grass Type - Simple Lawn Solutions - Lawn Energizer - 32 Ounce
Simple Lawn Solutions
8.0
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✓
Liquid Lawn Fertilizer Booster: Iron and Nitrogen Blend. Lawn Energizer booster provides essential nutrients needed to darken the green of your lawn
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Fertilizer with Attached Sprayer: liquid lawn booster treatment in a ready-to-use hose end sprayer covers 3,200 square feet
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Lawn Energizer 6-0-0 Contains 6% Nitrogen: Nitrogen encourages growth for the development of a dense attractive lawn
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Blended with 5% Iron: This concentrated solution is great for enhancing and deepening the green of your lawn
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Use Alongside Fertilizer Program. Lawn Energizer Liquid Fertilizer can be used with your current fertilizer program. Great as a supplement to granular fertilizer programs for a quick plant uptake
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10
Maximum Green & Growth Fertilizer High Nitrogen 28-0-0 Liquid Lawn Food Spray Spring & Summer- Any Grass Type- Simple Lawn Solutions - Concentrated Quick & Slow Release Attached Sprayer (32 Ounce)
Simple Lawn Solutions
7.9
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✓
Easy to Use: Our 28-0-0 Lawn Fertilizer Food comes with an attached sprayer that applies the perfect ratio of product for lawn applications. Covers up to 3,200 square feet, when using the attached sprayer
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Liquid Fertilizer 28-0-0 contains 28% Nitrogen. Nitrogen is a major component of chlorophyll where lawns get their green coloring. Nitrogen encourages growth for a dense attractive lawn
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The Power of Quick Release and Slow Release Nitrogen Fertilizer: 70% quick-release nitrogen to provide quick nutrient absorption 30% slow-release nitrogen keeps your lawn fed in between applications
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Can Be Used on All Grass types: Including Bermuda, St. Augustine, Zoysia, Buffalo, Centipede, Florida Palmetto, Bahia, Fescue, Ryegrass & Kentucky Bluegrass.
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High Nitrogen Formula: This High Nitrogen fertilizer was developed to perk up the lawn, by quickly correcting a Nitrogen deficiency. Nitrogen Encourages Greening & Growth if a nutrient deficiency is present
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Maintain Lawn & Treat Nutrient Deficiencies: 28-0-0 Lawn Food is perfect for maintaining lawn vigor or treating lawns deficient in Nitrogen
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Essential Macronutrient: High Nitrogen Liquid Lawn Food contains Nitrogen which is the most important macronutrient. Great as a supplement to granular fertilizer programs for a quick plant uptake
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28-0-0 Liquid Lawn Food is best to be used if you want to darken the green of your lawn, if you are trying to boost vertical and Lateral Growth, if your lawn is deficient in Nitrogen
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