Best liquid fertilizer – Top 8 of 2020

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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...
SaleNo. 2
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 to health with pure liquid Nutrients. We believe in nourishing your lawn to...
  • 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...
SaleNo. 3
Miracle-Gro Water Soluble All Purpose Plant Food, 10 Lb
  • Full of essential nutrients, it instantly feeds to grow bigger, more beautiful plants versus unfed plants
  • Feed every 1 to 2 weeks
  • Use with the Miracle Gro garden feeder or any watering can
  • For all flowers, vegetables, trees, shrubs and houseplants
  • Safe for all plants, guaranteed not to burn when used as directed
No. 4
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.
  • 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...
  • GUARANTEED ANALYSIS: 18% Nitrogen | 3% Available Phosphoric Acid | 6% Soluble Potash | .05% Copper .1% Iron .05% Manganese .05% Zinc
No. 5
Miracle-Gro VB300526 Plant Food (Liquid), 8 oz, Feeds All Indoor Houseplants-Including Edibles-Instantly, 2 Pack
  • Instantly feeds all indoor houseplants
  • For all indoor plants, including edibles
  • Feeds instantly
  • Able to apply directly to the soil or can mix with water
  • Apply once a week
No. 6
Miracle-Gro Liquafeed All Purpose Plant Food, 4-Pack Refills
298 Reviews
Miracle-Gro Liquafeed All Purpose Plant Food, 4-Pack Refills
  • Feeding is as easy as watering
  • For flowers, vegetables, trees, shrubs and houseplants
  • Use with a Miracle-Gro LiquaFeed Universal Feeder
  • Each bottle feeds up to 400 sq. ft.
  • Feed every 1-2 weeks
No. 7
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...
  • 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...
SaleNo. 8
Neptune's Harvest Organic Hydrolized Fish & Seaweed Fertilizer 36 0z
451 Reviews
Neptune's Harvest Organic Hydrolized Fish & Seaweed Fertilizer 36 0z
  • Grow a beautiful vegetable garden
  • Flowers and foliage will be stronger and more colorful
  • Blooms will be more plentiful, fragrant and longer lasting
  • Easy to mix and apply by hand, sprayer, or drip line