20 Best Liquid Lawn Fertilizers [2023]

Are you looking for the best liquid lawn fertilizers? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling liquid lawn fertilizers.

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# Preview Product
1 Scotts Liquid Turf Builder Lawn Food, 32 fl. oz. Scotts Liquid Turf Builder Lawn Food, 32 fl. oz.
2 PetraTools Liquid Nitrogen Fertilizer, 28-0-0 High Liquid Nitrogen Spray For All Grass Types, Liquid... PetraTools Liquid Nitrogen Fertilizer, 28-0-0 High Liquid Nitrogen Spray For All Grass Types,...
3 Ultimate 3-18-18 NPK- Lawn Food Quality Liquid Fertilizer- Easy to Use Concentrated Spray- Any Grass... Ultimate 3-18-18 NPK- Lawn Food Quality Liquid Fertilizer- Easy to Use Concentrated Spray- Any...
4 Advanced 16-4-8 Balanced NPK - Lawn Food Quality Liquid Fertilizer - Spring & Summer Concentrated... Advanced 16-4-8 Balanced NPK - Lawn Food Quality Liquid Fertilizer - Spring & Summer Concentrated...
5 Commercial Grade Lawn Energizer- Grass Micronutrient Booster with Iron & Nitrogen- Liquid Turf Spray... Commercial Grade Lawn Energizer- Grass Micronutrient Booster with Iron & Nitrogen- Liquid Turf...
6 PetraTools Liquid Fertilizer, 16-4-8 Lawn Fertilizer, Liquid Lawn Fertilizer Concentrate & Grass... PetraTools Liquid Fertilizer, 16-4-8 Lawn Fertilizer, Liquid Lawn Fertilizer Concentrate & Grass...
7 Maximum Green & Growth- High Nitrogen 28-0-0 NPK- Lawn Food Quality Liquid Fertilizer- Spring &... Maximum Green & Growth- High Nitrogen 28-0-0 NPK- Lawn Food Quality Liquid Fertilizer- Spring &...
8 Urban Farm Fertilizers Liquid Lawn Fertilizer, 1 gallon, 13-1-2. Urban Farm Fertilizers Liquid Lawn Fertilizer, 1 gallon, 13-1-2.
9 Extreme Grass Growth Lawn Booster- Liquid Spray Concentrated Starter Fertilizer with Humic Acid- Any... Extreme Grass Growth Lawn Booster- Liquid Spray Concentrated Starter Fertilizer with Humic Acid-...
10 LawnStar Chelated Liquid Iron (32 OZ) for Plants - Multi-Purpose, Suitable for Lawn, Flowers,... LawnStar Chelated Liquid Iron (32 OZ) for Plants - Multi-Purpose, Suitable for Lawn, Flowers,...
11 Liquid Lawn Fertilizer, 3-18-18 NPK Grass Fertilizer, Premium Lawn and Plant Nutrient Liquid... Liquid Lawn Fertilizer, 3-18-18 NPK Grass Fertilizer, Premium Lawn and Plant Nutrient Liquid...
12 Organic Kelp Fertilizer by GS Plant Foods - OMRI Listed 1 Gallon (128 Ounces) - Makes up to 770... Organic Kelp Fertilizer by GS Plant Foods - OMRI Listed 1 Gallon (128 Ounces) - Makes up to 770...
13 Jack's Classic Blossom Booster Water Soluble Plant Food, 10-30-20, 8 oz Jack's Classic Blossom Booster Water Soluble Plant Food, 10-30-20, 8 oz
14 ORGANIC FERTILIZERS: A comprehensive guide on Organic Fertilizers (Farm management) ORGANIC FERTILIZERS: A comprehensive guide on Organic Fertilizers (Farm management)
15 Simple Lawn Solutions - Liquid Iron Fertilizer Darker Green - Chelated Micronutrients - Concentrated... Simple Lawn Solutions - Liquid Iron Fertilizer Darker Green - Chelated Micronutrients -...
16 Airbee Plastic Spray Bottles 2 Pack 16 Oz for Cleaning Solutions, Planting, Pet, Bleach Spray,... Airbee Plastic Spray Bottles 2 Pack 16 Oz for Cleaning Solutions, Planting, Pet, Bleach Spray,...
17 Simple Lawn Solutions - High Potassium Lawn Food Liquid Fertilizer 0-0-25 - Concentrated Spray -... Simple Lawn Solutions - High Potassium Lawn Food Liquid Fertilizer 0-0-25 - Concentrated Spray -...
18 18-3-6 Liquid Fertilizer (50% SRN & Micronutrients) (2.5 Gallons) 18-3-6 Liquid Fertilizer (50% SRN & Micronutrients) (2.5 Gallons)
19 TRUE Organic - All Purpose Liquid Lawn Food 32oz - CDFA, OMRI, for Organic Lawn Care with Iron TRUE Organic - All Purpose Liquid Lawn Food 32oz - CDFA, OMRI, for Organic Lawn Care with Iron
20 Advanced 16-4-8 Balanced NPK- Lawn Food Quality Liquid Fertilizer- Spring & Summer Concentrated... Advanced 16-4-8 Balanced NPK- Lawn Food Quality Liquid Fertilizer- Spring & Summer Concentrated...
SaleBestseller No. 1
Scotts Liquid Turf Builder Lawn Food, 32 fl. oz.
  • Feeds and greens while watering your lawn
  • Apply to any grass type
  • Use when turf is actively growing
  • Improved greening (when compared to previous Scotts Liquid Turf Builder Lawn Fertilizer and applied as directed)
  • Feeds and strengthens to help protect against future problems
Bestseller No. 2
PetraTools Liquid Nitrogen Fertilizer, 28-0-0 High Liquid Nitrogen Spray For All Grass Types, Liquid...
  • ULTIMATE LIQUID NITROGEN FERTILIZER: This liquid lawn food supplement has an ultra-high nitrogen formula to promote green grass and quick growth....
  • 28-0-0 QUICK & SLOW RELEASE TECHNOLOGY: This 2-in-1 liquid lawn fertilizer formula provides 70% quick-release nitrogen for rapid green and growth and...
  • WORKS WITH ALL GRASS TYPES: Whether you have warm- or cold-season grass, this is the perfect liquid grass food for quick green-up. It's...
  • Apply Nitrogen to Your Lawn Quickly: PetraTools created our NPK lawn booster to be simple and easy to use. Mix 5oz of liquid nitrogen per gallon of...
  • American Family-Owned Company & USA Support: PetraTools is a USA-based company located in Carlisle, Pennsylvania. All PetraTools products have a 100%...
Bestseller No. 3
Ultimate 3-18-18 NPK- Lawn Food Quality Liquid Fertilizer- Easy to Use Concentrated Spray- Any Grass...
  • 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...
  • Made With High Quality Feed Grade Ingredients: Nourish your lawn to its top potential with quality liquid lawn Nutrients.
  • Easy To Use: Designed to be easily applied. This high Phosphorus & Potassium Lawn Food gives your lawn the nutrients it needs for strong root...
  • Can Be Used on All Grass Types: Including Bermuda, St. Augustine, Zoysia, Buffalo, Centipede, Palmetto & Bluegrass Lawns.
  • 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...
SaleBestseller No. 4
Advanced 16-4-8 Balanced NPK - Lawn Food Quality Liquid Fertilizer - Spring & Summer Concentrated...
  • Complete NPK Lawn Food: 16-4-8 is the perfect blend of key macronutrients. This lawn liquid food turf fertilizer also contains Seaweed & Fish.
  • Contains High Quality Feed Grade Ingredients: Nourish your lawn with pure liquid Nutrients in a ready to use sprayer
  • Easy To Use: Designed to be easily applied. This complete Nitrogen, Phosphate and Potash formula gives your grass greening & growth while providing...
  • All Grass types: Including Bermuda, St. Augustine, Zoysia, Buffalo, Centipede, Florida Palmetto, Bahia, Fescue, Ryegrass & Kentucky Bluegrass
  • 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...
Bestseller No. 5
Commercial Grade Lawn Energizer- Grass Micronutrient Booster with Iron & Nitrogen- Liquid Turf Spray...
  • Liquid Iron, Nitrogen and Micronutrient Blend: Lawn Energizer booster provides essential nutrients needed to darken the green of your lawn
  • Covers 3,200 SQ. FT: Commercial grade intense booster treatment in a ready-to-use hose end sprayer
  • High Quality Nutrients: Lawn Energizer Booster is a 6-0-0 Nitrogen, Iron and Micronutrient blend.
  • All Grass types: Including Bermuda, St. Augustine, Zoysia, Buffalo, Centipede, Florida Palmetto, Bahia, Fescue, Ryegrass & Kentucky Bluegrass
  • Produced In The United States: Lawn Energizer is manufactured in the United States of America, by a family owned business with 25 years of former...
SaleBestseller No. 6
PetraTools Liquid Fertilizer, 16-4-8 Lawn Fertilizer, Liquid Lawn Fertilizer Concentrate & Grass...
  • ULTIMATE BALANCED LAWN FERTILIZER: PetraTools 16-4-8 Liquid Fertilizer is the perfect blend of well-balanced support of macronutrients to support all...
  • 16-4-8 NUTRIENT FORMULA: This NPK formula contains 16% nitrogen, 4% phosphorus, & 8% potassium for a bright grass color, root and plant development,...
  • NITROGEN FERTILIZER QUICK & SLOW RELEASE TECHNOLOGY: This 2-in-1 nitrogen lawn fertilizer formula provides both quick-release nitrogen for rapid green...
  • EASY APPLICATION: PetraTools created our NPK lawn booster to be simple and easy to use. Mix 5oz of fertilizer per gallon of water for maintenance or...
  • American Family-Owned Company & USA Support: PetraTools is a USA-based company located in Carlisle, Pennsylvania. All PetraTools products have a 100%...
Bestseller No. 7
Maximum Green & Growth- High Nitrogen 28-0-0 NPK- Lawn Food Quality Liquid Fertilizer- Spring &...
  • 28-0-0 Liquid Lawn Food Nutritional Supplement: High Nitrogen Formula. Nitrogen aids in the formation of chlorophyll where plants get their green...
  • The Power of Quick Release and Slow Release Nitrogen Fertilizer: 70% quick release nitrogen to provide quick nutrient absorption 30% slow release...
  • Contains High Quality Feed Grade Compounds: Nourish your lawn with liquid nutrients. Designed to be quickly & easily applied in a ready to use sprayer...
  • Can Be Used on All Grass types: Including Bermuda, St. Augustine, Zoysia, Buffalo, Centipede, Florida Palmetto, Bahia, Fescue, Ryegrass & Kentucky...
  • Easy to Use: Our 28-0-0 Lawn Fertilizer Food comes with a ready-to-use hose end sprayer that applies the perfect ratio of product for lawn...
SaleBestseller No. 8
Urban Farm Fertilizers Liquid Lawn Fertilizer, 1 gallon, 13-1-2.
  • Hand-crafted, Micro-brewed liquid lawn fertilizer for all lawn and pasture. With mycorrhizae, humic acid, enzymes, and more.
  • 100% nutrition: Macros & Micros, with Iron and balanced N-P-K.
  • Perfect for tow behind tank and hose-end spraying! Instant Green.
  • 1 gallon treats a 5,000 sq ft lawn a minimum 8 times with a hose-end sprayer.
SaleBestseller No. 9
Extreme Grass Growth Lawn Booster- Liquid Spray Concentrated Starter Fertilizer with Humic Acid- Any...
  • Increase Vertical & Lateral Growth: Advanced Humic Acid Formula, Also Great for New Sod/Seeding
  • Nitrogen & Phosphorus Fertilizer: Commercial Lawn Growth Boosting Formula in a Ready-To-Use Hose End Sprayer
  • Use For Nutrient Deficiency, New Lawns and Lawn Repair: Concentrated Nutrients formulated to boost the growth of your lawn
  • All Grass types: Including Bermuda, St. Augustine, Zoysia, Buffalo, Centipede, Florida Palmetto, Bahia, Fescue, Ryegrass & Kentucky Bluegrass
  • Produced In The United States: Growth Booster is manufactured in the United States of America, by a family owned business with 25 years of former...
Bestseller No. 10
LawnStar Chelated Liquid Iron (32 OZ) for Plants - Multi-Purpose, Suitable for Lawn, Flowers,...
  • DIFFERENT NAME, SAME FORMULA - Our best selling product, but now under a new name. LawnStar Liquid Iron still uses the same formula that our customers...
  • REVITALIZE YOUR FLOWERS & LAWN: Are your flowers, vegetables, shrubs, trees and lawn beginning to look like they’re losing their will? Even worse,...
  • RESTORES A HEALTHY, DEEP GREEN VIBRANCY: Iron is a nutrient that plants rely on for many vital functions; metabolism, chlorophyll production, and...
  • STRENGTHENS ROOT DEVELOPMENT & STRESS TOLERANCE: LawnStar Liquid Iron doesn’t just restore a natural vibrance and color into your plants... It...
  • FREE FROM EDTA: Your safety is our priority. Unfortunately, it’s often an afterthought in the world of gardening products. It’s one of the reasons...
Bestseller No. 11
Liquid Lawn Fertilizer, 3-18-18 NPK Grass Fertilizer, Premium Lawn and Plant Nutrient Liquid...
  • ✔️ POWER GROW N.P.K. is a complete blend of Nitrogen (3%) and Phosphorous (18%) Potassium (18%)Why NPK? Nitrogen is responsible for the growth of...
  • ✔️ SIMPLE TO APPLY: We have formulated this liquid fertilizer for lawns to give your grass a boost of green and growth while providing long term...
  • ✔️ MADE IN USA We are a Family Owned business with a long history of experience in the farming and turf industry. Covington products are used...
  • ✔️ All Types of Grass: Including Bermuda, Ryegrass, Kentucky Bluegrass, Fescue, Bahia, Centipede, Zoysia, St. Augustine, almost all grasses.
  • ✔️ PRO TIP: ALWAYS...always...always..make sure your lawn is on a suitable watering schedule. Water is absolutely essential to a healthy lawn and...
Bestseller No. 12
Organic Kelp Fertilizer by GS Plant Foods - OMRI Listed 1 Gallon (128 Ounces) - Makes up to 770...
  • OMRI ​ORGANIC LISTED SEAWEED & KELP FERTILIZER: Liquid Kelp is a natural plant food that provides a range of benefits for plant health and growth....
  • ONE OF NATURE’S ‘MIRACLE’ PLANT FOODS: Made from the finest seaweed plant Ascophyllum Nodosum, this is one of nature’s miracle plant foods....
  • OPTIMAL PLANT GROWTH & HEALTH AT HOME OR COMMERCIALLY: Used in low concentrations, kelp liquid fertilizer acts as an efficacious growth promoter. GS...
  • EASY TO APPLY FOR NATURAL GREAT RESULTS: Apply liquid kelp to improve specific growth stages. To promote additional buds, apply when plants are...
  • TRUSTED & RELIABLE: At GS Plant Foods, we understand that you are placing your trust in us to provide you with the highest quality organic seaweed...
SaleBestseller No. 13
Jack's Classic Blossom Booster Water Soluble Plant Food, 10-30-20, 8 oz
  • Package Dimensions: 10.922 L x 7.112 H x 11.176 W (centimeters)
  • Size : 8 ounce
Bestseller No. 14
ORGANIC FERTILIZERS: A comprehensive guide on Organic Fertilizers (Farm management)
  • Amazon Kindle Edition
  • Cheruiyot, Davies (Author)
  • English (Publication Language)
  • 37 Pages - 02/06/2022 (Publication Date)
Bestseller No. 15
Simple Lawn Solutions - Liquid Iron Fertilizer Darker Green - Chelated Micronutrients - Concentrated...
  • Encourages Greening : Darker Green Liquid Iron contains Nitrogen and Iron to help you achieve that dark green color.
  • Nitrogen and Iron Formula: Darker Green Liquid Iron was developed to perk up lawn, deepen the green of your lawn, and enhance existing minerals in the...
  • Maintain Lawn & Treat Nutrient Deficiencies: Darker Green Liquid Iron is perfect for maintaining lawn vigor or treating lawns deficient in Iron.
  • Micronutrients: Darker Green Liquid Iron Contains Micronutrients like Iron and Manganese to Carry Out Essential Plant Functions.
  • Great For All Grass types: Including Bermuda, St. Augustine, Zoysia, Buffalo, Centipede, Florida Palmetto, Bahia, Fescue, Ryegrass & Kentucky...
SaleBestseller No. 16
Airbee Plastic Spray Bottles 2 Pack 16 Oz for Cleaning Solutions, Planting, Pet, Bleach Spray,...
  • 【Adjustable Nozzle for Mist & Stream】 Adjust spray nozzle from a fine mist to a steady stream, the sprayers can be easily adjusted to suit your...
  • 【Chemically Resistant Material】 Airbee heavy duty spraying bottles are made from HDPE plastic, recycle code # 2, which is chemically resistant to...
  • 【No Leak and Clog】 Durably constructed polypropylene spray head (More than 30 thousand pumps test) with 304 stainless steel spring and precision...
  • 【Better Trigger Design】 Unique design ergonomics trigger makes your fingers rest easily on it and the bottle fit comfortably in your hand,...
  • 【Household Commercial Industrial Uses】 Great for Household, Commercial & Industrial Use. Use them for cleaning solutions around the house, pet,...
Bestseller No. 17
Simple Lawn Solutions - High Potassium Lawn Food Liquid Fertilizer 0-0-25 - Concentrated Spray -...
  • Plant Hardiness: Potassium Promotes Turf Grass Hardiness, Helping Lawns Prepare For Temperature Change and Stressful Conditions. Potassium Deficient...
  • High Potassium Lawn Food Fertilizer: Treats Potassium Deficiency. Potassium Can Enhance The Plant’s Endurance to Stress if a Deficiency is Present....
  • Easy to Use: Our 0-0-25 Lawn Fertilizer Food Comes With a Ready-To-Use Hose End Sprayer that Applies the Perfect Ratio of Liquid Nutrients for Lawn...
  • Produced In The U.S.A: 0-0-25 is Manufactured in the United States of America, by a Family Owned Business with over 25 Years of Former Experience in...
  • Can Be Used On Any Grass type: Saint Augustine Grass, Bahia Grass, Bermuda Grass, Centipede Grass, Kentucky Bluegrass, Annual Ryegrass, Perennial...
Bestseller No. 18
18-3-6 Liquid Fertilizer (50% SRN & Micronutrients) (2.5 Gallons)
  • BENEFITS: All purpose fertilizer designed to be used throughout the growing season that provides readily available nutrients AND extended, long...
  • BONUS: Micro-nutrients aid in plant growth, aesthetic appeal, and overall plant health.
  • DIRECTIONS FOR ORNAMENTALS: Mix 1-2 oz of fertilizer to 1 gallon of water and water plants generously. Use fertilizer once every two weeks. DIRECTIONS...
  • GUARANTEED ANALYSIS: 18% Nitrogen | 3% Available Phosphoric Acid | 6% Soluble Potash | .05% Copper .1% Iron .05% Manganese .05% Zinc
Bestseller No. 19
TRUE Organic - All Purpose Liquid Lawn Food 32oz - CDFA, OMRI, for Organic Lawn Care with Iron
  • This Lawn Food Organically & Rapidly greens lawns, supporting root growth and starting new grass seed
  • 1% IRON Formula for greening up lawns, with Soy Protein Hydrolysate - a potent biostimulant, in an exclusive blend of farm-grade ingredients proven to...
  • PLUS an exclusive blend of proven farm-grade ingredients for plants, soil and microbes, including Fish Solubles, Sugar Molasses, Corn Steep Liquor,...
  • Unlike conventional fertilizers, True Organic products replenish the soil, helping to restore the Earth for future generations and keeping your own...
  • For Best Results, Apply Monthly for rapid green-up of your Bluegrass, Fescue, Rye, Bermuda & Other Lawn Types
Bestseller No. 20
Advanced 16-4-8 Balanced NPK- Lawn Food Quality Liquid Fertilizer- Spring & Summer Concentrated...
  • Complete NPK Lawn Food: 16-4-8 is the perfect blend of key macronutrients. This lawn liquid food turf fertilizer also contains Seaweed & Fish.
  • Contains High Quality Feed Grade Ingredients: Nourish your lawn to health with safe, pure liquid Nutrients. We believe in nourishing your lawn to...
  • 1 Gallon Sizes covers 12,800 square feet. This complete Nitrogen, Phosphate and Potash formula gives your grass greening & growth while providing...
  • All Grass types: Including Bermuda, St. Augustine, Zoysia, Buffalo, Centipede, Florida Palmetto, Bahia, Fescue, Ryegrass & Kentucky Bluegrass
  • 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...

Having trouble finding a great liquid lawn fertilizers?

This problem is well understood by us because we have gone through the entire liquid lawn fertilizers research process ourselves, which is why we have put together a comprehensive list of the best liquid lawn fertilizerss available in the market today.

After hours of searching and using all the models on the market, we have found the best liquid lawn fertilizers for 2023. See our ranking below!

How Do You Buy The Best Liquid Lawn Fertilizers?

Do you get stressed out thinking about shopping for a great liquid lawn fertilizers? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching liquid lawn fertilizers, which is why we have assembled a comprehensive list of the greatest liquid lawn fertilizers available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for liquid lawn fertilizers that you consider buying. Your questions might include the following:

  • Is it worth buying an liquid lawn fertilizers?
  • What benefits are there with buying an liquid lawn fertilizers?
  • What factors deserve consideration when shopping for an effective liquid lawn fertilizers?
  • Why is it crucial to invest in any liquid lawn fertilizers, much less the best one?
  • Which liquid lawn fertilizers are good in the current market?
  • Where can you find information like this about liquid lawn fertilizers?

We’re convinced that you likely have far more questions than just these regarding liquid lawn fertilizers, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for liquid lawn fertilizers, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible liquid lawn fertilizers. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an liquid lawn fertilizers buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available liquid lawn fertilizers currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of liquid lawn fertilizers has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an liquid lawn fertilizers?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your liquid lawn fertilizers.
  5. Customer Ratings: Number ratings grade liquid lawn fertilizers objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their liquid lawn fertilizers.
  7. Product Quality: You don’t always get what you pay for with an liquid lawn fertilizers, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an liquid lawn fertilizers is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining liquid lawn fertilizers information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding liquid lawn fertilizers is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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