10 BEST LIQUID LAWN FERTILIZER CONCENTRATES for sale in 2024 – compare between the best liquid lawn fertilizer concentrates on sale.

Rank Product Rating
1
Urban Farm Fertilizers Liquid Lawn Fertilizer, 1 gallon, 13-1-2.
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92 Reviews
Product Highlights
  • 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.

$32.45
2
18-3-6 Liquid Fertilizer (50% SRN & Micronutrients) (2.5 Gallons)
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2 Reviews
Product Highlights
  • BENEFITS: All purpose fertilizer designed to be used throughout the growing season that provides readily available nutrients AND extended, long lasting nitrogen (Product contains 50% SLOW RELEASE NITROGEN (SRN))
  • BONUS: Micro-nutrients aid in plant growth, aesthetic appeal, and overall plant health.
  • RECOMMENDED MIX RATIO: Mix at a ratio of 50 gallons of water per gallon of fertilizer
  • RECOMMENDED APPLICATION RATE: 1 gallon per acre or 3 oz per 1000 sq ft every other week (may apply at higher rates with longer application intervals)

$69.95
3
Advanced 16-4-8 Balanced NPK- Lawn Food Quality Liquid Fertilizer- Spring & Summer Concentrated Spray - Any Grass Type- Simple Lawn Solutions (1 Gallon)
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Product Highlights
  • 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 health the right way.
  • 1 Gallon Sizes covers 12,800 square feet. This complete Nitrogen, Phosphate and Potash formula gives your grass greening & growth while providing nutrients for roots, health and turf strength.
  • All Grass types: Including Bermuda, St. Augustine, Zoysia, Buffalo, Centipede, Florida Palmetto, Bahia, Fescue, Ryegrass & Kentucky Bluegrass

$59.77
4
Advanced 16-4-8 Balanced NPK - Lawn Food Quality Liquid Fertilizer - Spring & Summer Concentrated Spray - Any Grass Type - Simple Lawn Solutions (32 Ounce)
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792 Reviews
Product Highlights
  • 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 pure liquid Nutrients. We believe in nourishing your lawn to health the right way.
  • 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

$29.99 $24.77
5
GS Plant Foods Organic Liquid Kelp Plant Fertilizer (1 Gallon) | Omri Organic Listed Seaweed & Kelp Fertilizer Solution | Kelp Seaweed Plant & Vegetable Growth Concentrate for Gardens, Lawns & Soil
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Product Highlights
  • OMRI ​ORGANIC LISTED SEAWEED & KELP FERTILIZER: Liquid Kelp is a natural plant food that provides a range of benefits for plant health and growth. OMRI listed for organic use, GS Plant Foods Liquid Kelp Fertilizer is a completely natural, organic kelp fertilizer for plants. Our organic liquid kelp fertilizer will help stimulate natural root growth, mineral uptake and overall plant growth and vigor. This can be applied to any type of soil or plant without concern for waste or harmful chemicals.
  • ONE OF NATURE’S ‘MIRACLE’ PLANT FOODS: Made from the finest seaweed plant Ascophyllum Nodosum, this is one of nature’s miracle plant foods. Our liquid kelp plant fertilizer greatly increases your plant’s resistance to stressors such as excessive heat, wind, drought conditions and more. The seaweed kelp fertilizer will increase the bloom set and size of flowers and fruit. It increases and stabilizes chlorophyll in plants, which results in darker green leaves and increased sugar content in plants.
  • OPTIMAL PLANT GROWTH & HEALTH AT HOME OR COMMERCIALLY: Used in low concentrations, liquid seaweed acts as an efficacious growth promoter. GS Plant Foods liquid seaweed fertilizer is used extensively on a commercial basis, as well as at home for gardeners as an organic soil conditioner. Reduce herbicide use by adding our liquid kelp organic seaweed fertilizer, and yet maintain the same kill effectiveness. Using this kelp plant food will lead to healthier crop yields and general plant well being.
  • WORKS SYNERGISTICALLY WITH ALL FERTILIZERS: Liquid Kelp from GS Plant Foods is among the highest quality seaweed products you can get. It works synergistically with all fertilizers especially with a high quality liquid fish fertilizer such as GS Plant Foods Organic Liquid Fish. Use kelp garden fertilizer on all plants, fruit trees, houseplants as a regular healthful maintenance program to experience healthier plants with stronger, more developed root systems and bigger blooms and flowers.

$30.95
6
Just Scentsational TP-2.5G Trident's Pride Organic Liquid Fish Hydroponic Soil Fertilizer, 320 oz (2.5 Gallon)
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56 Reviews
Product Highlights
  • Concentrated, high-energy soil nutrient broth creates better lawns, crops, or gardens
  • Trident's Pride cuts down on chemical fertilizers while increasing anti-oxidants, sugar, and earthworm population
  • Increased microbe production reduces the need for pesticides and creates stronger growth
  • This fertilizer comes in an easy-pour jug with a handle for easy application; Suggested use is 4-6 oz per gallon of water

$44.95 $39.18
7
Liquid Lawn Fertilizer, 3-18-18 NPK Grass Fertilizer, Premium Lawn and Plant Nutrient Liquid Fertilizer and Food – Year Round Concentrate for Best Value – All Grass Types – 32 OZ
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Product Highlights
  • ✔️ 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 leaves and turf blades, Phosphorus for the root growth and flower development, and Potassium balances the overall functions of the plant performance.
  • ✔️ 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 nutrients to the root and turf system.
  • ✔️ 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 everywhere from large farming operations, golf courses, to residential lawns. We take pride in providing you with quality American Made products.
  • ✔️ All Types of Grass: Including Bermuda, Ryegrass, Kentucky Bluegrass, Fescue, Bahia, Centipede, Zoysia, St. Augustine, almost all grasses.

$29.95
8
Simple Lawn Solutions Extreme Grass Growth Lawn Booster- Quality Liquid Spray Concentrated Fertilizer with Fulvic & Humic Acid- Any Grass Type (32 oz. w/Sprayer)
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448 Reviews
Product Highlights
  • Increase Vertical & Lateral Growth: Advanced Humic & Fulvic 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

$24.99 $23.77
9
Commercial Grade Lawn Energizer- Grass Micronutrient Booster with Iron & Nitrogen- Liquid Turf Spray Concentrated Fertilizer- Any Grass Type, All Year- Simple Lawn Solutions- 32 Ounce
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406 Reviews
Product Highlights
  • 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

$22.77
10
Ultimate 3-18-18 NPK- Lawn Food Quality Liquid Fertilizer- Concentrated Spray- Any Grass Type- Summer & Fall Nutrients- Simple Lawn Solutions, 32-Ounce- Green, Grow, Root Growth, Health & Strength
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Product Highlights
  • 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!
  • Made With High Quality Feed Grade Ingredients: Nourish your lawn to health with pure liquid 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 development, health and strength.
  • All Grass types: Including Bermuda, St. Augustine, Zoysia, Buffalo, Centipede, Palmetto & Bluegrass. Safe for Children and Pets.

$22.79

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