Best liquid fertilizer – Top 8 of 2021

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We looked at hundreds reviews, and put together a list of the best sellers. Check out the top liquid fertilizer below.


No. 1
Indoor Plant Food | All-purpose House Plant Fertilizer | Liquid Common Houseplant Fertilizers for Potted Planting Soil |...
57 Reviews
Indoor Plant Food | All-purpose House Plant Fertilizer | Liquid Common Houseplant Fertilizers for Potted Planting Soil |...
  • FEED HOUSE PLANTS: liquid fertilizer promotes healthy growth and stops wilt better than granules or pellets. Our 3-1-2 Miracle ratio makes...
  • GROW REAL HOME DECOR: 1 teaspoon for every 2 cups of water includes nitrogen, phosphorus and other vitamins to boost root and bloom growth...
  • Poinsettia, Pothos, Spider Plant, ZZ Plant, Aglaonema, Dioon, Fittonia, Jade Plant, Hoya Plant, Plumeria Plants, Yucca Plant, Hostas,...
  • Peace Lily, Begonia, African Violet, Aloe Vera Plant, Weeping Fig, Calla Lillies, Prayer Plant, Philodendron Plant, Dieffenbachia, Croton...
  • Rubber Plant, Anthurium, Areca Palm, Lady Palm, Cyclamen, Peacock Plant, Dendrobium, Deacaena, Kalanchoe, Syngonium, Oakleaf Ivy, Aspargus...
No. 2
18-3-6 Liquid Fertilizer (50% SRN & Micronutrients) (2.5 Gallons)
2 Reviews
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,...
  • 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....
  • GUARANTEED ANALYSIS: 18% Nitrogen | 3% Available Phosphoric Acid | 6% Soluble Potash | .05% Copper .1% Iron .05% Manganese .05% Zinc
No. 3
Miracle-Gro Indoor Plant Food, 8-Ounce (Plant Fertilizer) (2 Pack)
  • Instantly feeds all indoor houseplants
  • For all indoor plants, including edibles
  • Easy-to-use foam dissipates into the soil when you water
  • Apply once a week
  • 2 Pack
No. 4
20 20 20 Fertilizer is an All Purpose Plant Food and Garden Fertilizer That is E Z to Mix and E Z to Use | EZ-gro Liquid...
  • INDUSTRY STANDARD - EZ-gro All Purpose Fertilizer is Great for Maintaining Plants in Garden Centers or Homes.
  • BALANCED FERTILIZER - EZ-gro 20-20-20 Contains Equal Parts of Nitrogen, Phosphorus and Potassium | Contains Micronutrients
  • QUICK GREEN UP - It Provides Fast Foliar Growth with the Highest Safety Factor When Applied as Directed
  • ENHANCED MICRONUTRIENT PACKAGE - It is Blended with a Micronutrient Package Which Delivers the Optimal Nutrition for Green Foliage and...
  • FREE MEASURING CUP - Included for precise and accurate application of our Professional 20 20 20 Fertilizer
No. 5
Triple 10 All Purpose Liquid Fertilizer 10-10-10 with Amino Acids (5.5%) & Seaweed Extract (32oz)
  • ALL PURPOSE: 10-10-10 with Amino Acids (5.5%) & Seaweed Extract is a generic liquid fertilizer designed for all stages of plant growth.
  • USE SITES: Great for gardens, flowers, fruits, vegetables, turf grasses etc.| Suitable for indoor & outdoor use
  • USAGE RATES: 1-2 oz per gallon of water (it's better to start at a lower rate and work your way up) | Water generously & continue use every...
  • HIGH CONCENTRATE: Makes up to 32 gallons of fertilizer
  • MEASURE & POUR: Comes in an easy measure and pour bottle that allows the end-user to measure and pour a specific dosage by simply squeezing...
No. 6
Flower Food by EZ-gro | 10-30-20 Blossom Booster is a Plant Food for all Blooming Plants | This Plant Fertilizer is both...
  • VERSATILE BLOOM BOOSTER - It is both an Indoor Plant Food and an Outdoor Plant Food
  • INCREASE BUD SET - Use during periods of bud set to increase the number and size of blooms
  • INSTANTLY FEEDS - This flower fertilizer is instantly supplies plant nutrients
  • HIGH PHOSPHORUS FERTILIZER - Has a high phosphorus formulation that is critical during periods of bud set
  • ENHANCED MICRONUTRIENT PACKAGE - EZ-gro 10-30-20 bloom fertilizer is blended with a Micronutrient Package which delivers the optimal...
No. 7
FoxFarm Liquid Nutrient Trio Soil Formula: Big Bloom, Grow Big, Tiger Bloom (Pack of 3-16 oz Bottles) 1 Pint Each + Twin...
  • Big Bloom, Grow Big, and Tiger Bloom -- The Right Juice for the Right Use!
  • Start with Grow Big for abundant green growth
  • Switch to Tiger Bloom at the first sign of bud set or flowering
  • Use Big Bloom throughout all growing cycles to heal root systems and increase nutrient cycling
  • Ideal for mature, late-season flowers and fruit
SaleNo. 8
Advanced 16-4-8 Balanced NPK - Lawn Food Quality Liquid Fertilizer - Spring & Summer Concentrated Spray - Any Grass Type...
798 Reviews
Advanced 16-4-8 Balanced NPK - Lawn Food Quality Liquid Fertilizer - Spring & Summer Concentrated Spray - Any Grass Type...
  • Complete NPK Lawn Food: 16-4-8 is the perfect blend of key macronutrients. This lawn liquid food turf fertilizer also contains Seaweed &...
  • 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...
  • All Grass types: Including Bermuda, St. Augustine, Zoysia, Buffalo, Centipede, Florida Palmetto, Bahia, Fescue, Ryegrass & Kentucky...
  • 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...