This is the ultimate buyer’s guide to the Best Fish Fertilizer For Plants. We’ve listed our top picks, including the Most popular, Top-rated, and Bestselling Products.
After hours of scanning and analyzing the market, using too many factors, we have found the Best Fish Fertilizer For Plants of 2022. Check out our ranking below!


Top 20 Best Fish Fertilizer For Plants of 2022



Best Fish Fertilizer For Plants 2022 (Reviews)


Alaska Fish Emulsion Fertilizer 5-1-1 Concentrate 1 Gallon

$29.99
$18.88
 in stock
30 new from $18.88
Free shipping
Amazon.com
as of February 28, 2022 3:31 pm

Features

  • Will Not Burn!
  • Great for all plants
  • Deodorized with Natural Wintergreen
  • 5-1-1 fertilizer is an excellent source of organic plant nutrients
  • Fish Fertilizer

Neptune's Harvest Fish Fertilizer 2-4-1, 18 Ounce

$18.78  in stock
6 new from $18.68
Free shipping
Amazon.com
as of February 28, 2022 3:31 pm

Features

  • Neptune's Harvest is an organic fertilizer made from fresh north Atlantic fish
  • It is made by a unique cold process that protects the vitamins, amino acids, enzymes and growth hormones
  • It also contains all the micro and macro nutrients naturally found in fish
  • Unlike fish emulsions, Neptune's Harvest retains the fish proteins and oils and has no unpleasant odor

Lilly Miller Alaska Fish Fertilizer 5-1-1 Concentrate 1 Quart (2-Pack)

$26.90  in stock
5 new from $26.90
Free shipping
Amazon.com
as of February 28, 2022 3:31 pm

Features

Part NumberSG_B07D8ZP34L_US

Neptune's Harvest Fish & Seaweed Fertilizer 2-3-1 (Gallon)

$42.99
$39.23
 in stock
30 new from $38.96
Free shipping
Amazon.com
as of February 28, 2022 3:31 pm

Features

  • 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

Organic Fish and Kelp Blend, 32 fl. oz

$17.95  in stock
2 new from $17.95
Free shipping
Amazon.com
as of February 28, 2022 3:31 pm

Features

  • OMRI ​ORGANIC LISTED FISH AND SEAWEED BLEND: GS Plant Foods all-natural liquid fish is a high quality organic product that gives excellent plant growth, rebuilds soil, and offers higher production yields. Kelp is often applied to any type of plants, trees, lawns, flowers, vegetables and seeds without concern for harmful runoff.
  • OPTIMAL PLANT GROWTH & HEALTH AT HOME OR COMMERCIALLY: Used in low concentrations, liquid seaweed fertilizer acts as an efficacious growth promoter. GS Plant Foods fish seaweed fertilizer is used extensively on a commercial basis, as well as at home for gardeners as an organic soil conditioner. This fish fertilizer for vegetables will lead to healthier crop yields and general plant well being.
  • EASY TO APPLY FOR NATURAL GREAT RESULTS: Apply liquid fish & kelp fertilizer to improve specific growth stages. For House Plants; use 1 tablespoon per gallon of water. Feed every two weeks and do not over water. For Outdoor Plants; Use 2 fl. Oz per gallon of water. Feed vegetables, flowers, trees and shrubs every 2-3 weeks. Apply until soil is saturated or as a foliar feed until leaves are wet, top and bottom. For Lawns; use 2 to 4 oz concentrate per gallon of water to cover 1,000 sq. ft.
  • TRUSTED & RELIABLE: At GS Plant Foods, we understand that you are placing your trust in us to provide you with the highest quality products available. We have 100% confidence in the quality of our products and continuously strive to deliver the best customer experience. Our products are organic, easy to use, cost efficient, sustainable, and yield consistent & amazing results in your garden, no matter what you're growing or what medium in which your plants are growing.

Just Scentsational Bare Ground Solutions TP-128G Trident's Pride Organic Liquid Fish Hydroponic Soil Fertilizer, 128 oz (1 Gallon)

$19.99  in stock
2 new from $19.99
Free shipping
Amazon.com
as of February 28, 2022 3:31 pm

Features

  • OMRI-rated, all-natural, cold pressed, 100% organic fish fertilizer adds proteins and enzymes to soil
  • 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

Liquinox 7128 Fish Emulsion 5-1-1 Fertilizer, 1-Gallon

$40.33  in stock
Amazon.com
as of February 28, 2022 3:31 pm

Features

  • All purpose liquid fish fertilizer for flowers, lawns, shrubs, trees and any other outdoor plants
  • Primary nutrients are derived from seagoing fish
  • Active Ingredients: Iron, Manganese, Zinc
  • Fish emulsion 5-1-1 is a fish fertilizer that may be soil or foliar applied
  • Safe, nonburning for use on vegetables, flowers, shrubs, lawns and trees

Fish Head Farms Organic Soil Conditioner 5Liter Organic Fertilizer for Increased Yield and Flavor - Plant Fertilizer, Plant Nutrients for Soil, Soilless, Hydroponic Farming - Garden Fertilizer

$349.00  in stock
2 new from $349.00
Free shipping
Amazon.com
as of February 28, 2022 3:31 pm

Features

  • IT IS A PIECE OF NATURE IN A BOTTLE: Fish Head Farms Organic Soil Conditioner makes fruits, herbs and vegetables healthier, taste and smell better and it improves plant health, growth and production. It will make your plants smile and your gardens thrive.
  • A LIVING PRODUCT: It is OMRI listed for organic use and University tested. It provides a complex profile that includes thousands of different species. This profile is closer to a natural ecosystem than anything you will find on the market.
  • INCREASE YIELD: Fish Head Farms Organic Soil Conditioner increases plant production by up to 20%. Can be used for organic farming, soil or soilless and hydroponic gardening.
  • INCREASE FLAVOR: It helps release essential oils and terpenes which contribute to the building of a myriad of flavonoids. Flavonoids play a key role in the development of the most potent aromas and tasteful flavors of a plant and its fruit.
  • INCREASES NUTRIENT UPTAKE: It contains beneficial beings that help plants maximize nutrient uptake. It does this by transforming nutrients into more useable forms and keeping these nutrients in the soil longer.

Harris Organic Plant Food and Plant Fertilizer, Hydrolyzed Liquid Fish Fertilizer Emulsion Great for Tomatoes and Vegetables, 3-3-0.3, 32oz (32oz (Quart) 2-Pack)

$24.99
$23.59
 in stock
2 new from $23.59
Amazon.com
as of February 28, 2022 3:31 pm

Features

  • Uses trace minerals and micronutrients naturally derived from fish
  • Promotes vigorous growth of plants and vegetables
  • Great for all indoor and outdoor plants
  • For use in an Organic Gardening program
  • Won’t burn plants

Voluntary Purchasing Group 10611 Fertilome Concentrate Fish Emulsion Fertilizer, 16-Ounce

$12.33  in stock
13 new from $9.34
Free shipping
Amazon.com
as of February 28, 2022 3:31 pm

Features

  • Safe And Natural For Plants
  • Use Outdoors
  • For Greener Foliage
  • Mix Concentrate With Water
  • Enforces strong plant structure and root systems

Down to Earth Organic Bio-Fish Fertilizer Mix 7-7-2, 5 lb

$19.02  in stock
6 new from $19.02
Free shipping
Amazon.com
as of February 28, 2022 3:31 pm

Features

  • Down to Earth Bio Fish is a five pound box of all natural fertilizer with 7-7-2 formula and is listed by the Organic Materials Review Institute (OMRI) for use in organic production
  • Bio-Fish is loaded with the finest marine based ingredients to improve your soil while nourishing your outdoor plants
  • A nutrient rich fertilizer ideal for heavy feeders like corn, cole crops, tomatoes, vegetable gardens and all types of outdoor plants, trees and shrubs
  • Bio-Fish can be used throughout the growing season to promote vigorous growth, beautiful blooms and plentiful fruit
  • An excellent source of nitrogen and phosphorus to use with vegetable gardens, flower beds, trees, shrubs, outdoor containers, row crops/acreage

Monterey LG 7265 Fish & Guano Liquid Plant Fertilizer for Transplants and Flowers, 32 oz

$14.41  in stock
3 new from $14.41
Free shipping
Amazon.com
as of February 28, 2022 3:31 pm

Features

  • Natural fertilizer - this organic concentrated fertilizer is made of liquid fish and bird guano. This is a high Analysis 9-6-2 natural fertilizer that can be applied monthly during the growing season.
  • Concentrated formula - This is a concentrated mix that should be mixed with water before use. Simply use ½ FL. Oz. Of concentrate per gallon of water, shake well and keep the solution mixed during application.
  • Synergistic matrix - the fertilizer is so effective because the blend of fish based nutrients with guano forms a synergistic matrix that develops a cohesive partnership for vigorous plant growth, It works like a miracle.
  • Variety of Use - whether at home or on a farm, this liquid fertilizer is excellent for your flowers, trees, transplants, and vegetables. It will also help any houseplant and indoor or outdoor Ornamental bloom and grow to be looking their best!
  • Accelerate growth - this flower food promotes beautiful growth and big blooms on all plants. It works best applied with a sprayer or directly in the early morning or late afternoon. Use as a foliar spray or as a soil drench on the grass lawn below.

Organic Hydrolyzed Liquid Fish Fertilizer by GS Plant Foods (1 Gallon)

$34.95  in stock
2 new from $34.95
Free shipping
Amazon.com
as of February 28, 2022 3:31 pm

Features

  • HYDROLYZED FISH FERTILIZER: GS Plant Foods Organic Liquid Fish is an all-natural high quality fish fertilizer that gives excellent plant growth, rebuilds soil, and offers higher production yields. Our liquid fertilizer for vegetables, plants, and more will help stimulate growth and improve plant health and color. Tremendously beneficial for soil quality and improved rooting, this liquid fish fertilizer can be applied to any type of soil or plant without concern for waste or harmful chemicals.
  • PACKED WITH MACRO & MICRO NUTRIENTS: Our proprietary and all-natural fish fertilizer for vegetables, plants, and more provide much more than N-P-K (Nitrogen, Phosphorus and Potassium) found in synthetic fertilizers. This organic liquid fertilizer for vegetables provides a mix of macro & micro nutrients and minerals all in a usable form perfectly suited for maximum efficiency of uptake for your plants. The organic fish fertilizer stimulates water penetration and increases nutrient assimilation.
  • OPTIMAL PLANT GROWTH & HEALTH AT HOME OR COMMERCIALLY: Used in low concentrations, liquid vegetable fertilizer acts as an efficacious growth promoter. Our liquid vegetable fertilizer is used extensively on a commercial basis, as well as at home for gardeners as an organic soil conditioner. Add our organic liquid fish fertilizer, and yet maintain the same effectiveness. This liquid organic fertilizer will lead to healthier crop yields and general plant well being.
  • EASY TO APPLY FOR NATURAL GREAT RESULTS: For house plants; use 1 tablespoon per gallon of water. Feed every 2 weeks. For outdoor plants; use 2 to 4 ounces per gallon of water. Feed flowers & vegetables every 2 weeks. For lawns; use 2-4 ounces per gallon of water. 1 gallon of fertilizer mixed with 30-40 gallons of water will cover 1/4 acre. Feed lawn every 4 weeks. For trees & shrubs; use 4 ounces per gallon of water. Feed 2-3 times per season. It is best to feed early or late in the day.
  • TRUSTED & RELIABLE: At GS Plant Foods, we understand that you are placing your trust in us to provide you with the highest quality fish fertilizers available. We have 100% confidence in the quality of our products and continuously strive to deliver the best customer experience. Our liquid fertilizer organic are easy to use, cost efficient, sustainable, and yield consistent & amazing results in your garden, no matter what you're growing or what medium in which your plants are growing.

Voluntary Purchasing Group 10612 Fertilome Concentrate Fish Emulsion Fertilizer, 32-Ounce

$16.84
$14.79
 in stock
14 new from $14.79
Amazon.com
as of February 28, 2022 3:31 pm

Features

  • Safe And Natural For Plants
  • Use Outdoors
  • For Greener Foliage
  • Mix Concentrate With Water
  • Enforces strong plant structure and root systems

PetraTools Liquid Fish & Seaweed Fertilizer, Fish Emulsion Fertilizer for Vegetables, Fruits & Plants, Liquid Seaweed Fertilizer, Fish Fertilizer for Plants, Liquid Sea Kelp Fertilizer (32 oz)

$19.99  in stock
2 new from $19.99
Free shipping
Amazon.com
as of February 28, 2022 3:31 pm

Features

  • SUPER-CHARGED PLANT FERTILIZER: PetraTools Fish & Seaweed Fertilizer is a fertilizer for your plant vegetables, flowers, trees, seeds, & others. The nutrients and enzymes restore the soil's good condition, promotes healthy plant growth, & miraculously increase production yields.
  • COLD-PROCESSED FISH: Our liquid fish fertilizer is created through a cold process, retaining its enzymes, vitamins, & nutrients, which are needed by plants. It's made of a combination of North Atlantic seaweed and American hydrolyzed fish.
  • MADE IN THE USA: We made sure that our fish emulsion fertilizer for plants is 100% natural and doesn't have harmful chemicals. It's processed and blended in America with fresh fish and seaweed ingredients. A natural fertilizer for your indoor and outdoor plants makes it the perfect fish fertilizer for vegetables.
  • EASY TO APPLY & PROFESSIONAL FORMULA: Our liquid vegetable fertilizer doesn't require complex applications. Just mix a small amount of it with water for your indoor or outdoor plants and compost. Follow the label for the right ratio. For best results, use every 1-2 weeks.
  • American Family-Owned Company & USA Support: PetraTools is a USA-based company located in Carlisle, Pennsylvania. All PetraTools products have a 100% satisfaction guarantee and excellent USA customer service members waiting by the phones to answer any questions you may have. PetraTools continues to work hard to deliver top-quality sprayers & solutions to keep your home, lawn, and places of business clean, green, and safe.

ALASKA Fish Emulsion Fertilizer 5-1-1 Concentrate 1 Gallon (Тwо Расk)

$53.25
$45.23
 in stock
13 new from $45.17
Amazon.com
as of February 28, 2022 3:31 pm

Indian River Organics Fish & Kelp Blend Fish Fertilizer - OMRI Listed Organic Fertilizer 1 Gallon (128 oz) - Liquid Organic Fish and Kelp for Turf, Flowers, Shrubs, Plants, Fruits & Vegetables. Great for Everything that Grows!

$34.95  in stock
2 new from $34.95
Free shipping
Amazon.com
as of February 28, 2022 3:31 pm

Features

  • ORGANIC FISH AND SEAWEED FERTILIZER: Now our all-natural high quality fish fertilizer is combined with North Atlantic kelp to produce a plant nutrient source that is beyond compare. Your plants get all the benefits of a natural liquid fish fertilizer PLUS all the additional benefits of seaweed in one easy to use liquid product. Plants receiving both fish and seaweed fertilizer out-perform in every category, they are much healthier and more resistant to heat, drought, and cold.
  • FISH IS PACKED WITH AMINO ACIDS AND MICRO NUTRIENTS: Our liquid fish fertilizer is an industry leader and produces amazing results in fruits, vegetables, plants, and lawns. It provides much more than just N-P-K (Nitrogen, Phosphorus and Potassium) found in synthetic fertilizers. Our organic liquid fish fertilizer provides a comprehensive mix of amino acids & micro nutrients and minerals all in a usable form perfectly suited for maximum efficiency of uptake for your plants.
  • SEAWEED IS AN AMAZING PLANT SUPPLEMENT: We add North Atlantic kelp that is pure and free of contaminants. It is manufactured using our proprietary digestion and refinement process that breaks down complex polysaccharides into smaller, lower molecular weight particles and novel compounds. These new compounds are not present in the original ascophyllum nodosum biomass and are now in a bio- available form and some have been modified making them water soluble allowing for immediate plant benefit.
  • EASY TO APPLY FOR GREAT RESULTS: For Lawn: Mix 2 oz in 1 gallon of water, spray to cover 500 square feet. Fruits & Vegetables: Mix 4 oz in 1 gallon of water, spray to drench, including underside of leaves. Flowers & Plants: Mix 3 oz in 1 gallon of water, spray to drench, including underside of leaves. Citrus & Other Trees: Mix 4 oz in 1 gallon of water, spray to drench, including underside of leaves. Seedlings: Mix 4 oz in 1 gallon of water.
  • TRUSTED & RELIABLE: At Indian River Organics, we understand that you are placing your trust in us to provide you with the highest quality products available. We have 100% confidence in the quality of our products and continuously strive to deliver the best customer experience possible. Our products are organic, easy to use, cost efficient, sustainable, and yield consistent & amazing results in your garden, no matter what you're growing.

Fish Shit Organic Soil Conditioner (500 ML) Fish Head Farms

 in stock
Amazon.com
as of February 28, 2022 3:31 pm

Features

  • Soil Conditioner

Organic Fish Fertilizer - Liquid Fish Emulsion Food for Plants, Flowers, Fruits & Vegetables - 2-3-1 NPK - Made from Sustainably Sourced Hydrolyzed Fish (32 oz)

$16.97  in stock
Amazon.com
as of February 28, 2022 3:31 pm

Features

  • ORGANIC FISH EMULSION FERTILIZER - Our liquid fish fertilizer is made from sustainably sourced fish emulsion and we use up all the parts that would otherwise go to waste. With an ecofriendly approach, ingredients are refined fresh and 100% cold pressed to retain all of the natural nutrients, vitamins, and amino acids needed to grow healthy plants.
  • GROW NATURAL - This wonderfully organic alternative to synthetic fertilizer contains a 2-3-1 NPK ratio perfect for light and frequent applications. Promotes steady, healthy plant development throughout the growing season.
  • ENRICHES SOIL - Helps build a strong foundation for your organic garden to thrive on! Use as an effective soil drench to improve fertility, structure, and encourage the growth of beneficial bacteria and fungi in your garden's soil.
  • PRODUCE MORE - Get the most out of your fertilizer and your garden! This organic garden fertilizer helps to increase crop yields and flower blooms. Gentle enough to use as a foliar spray makes this the perfect fish fertilizer for plants, flowers, and vegetables.
  • SMELL THE DIFFERENCE - This fertilizer smells like fish because it's made from fish! Crafted with high quality concentrated and undiluted hydrolyzed fish emulsion each bottle gives off a pungent fishy aroma. When compared, we see it like this - if it doesn't smell, then it's not real fish!

Down to Earth Organic Fish Bone Meal Fertilizer Mix 4-12-0, 5 lb

$19.99  in stock
5 new from $14.99
Free shipping
Amazon.com
as of February 28, 2022 3:31 pm

Features

  • Down To Earth Fish Bone Meal is a five pound box of all natural fertilizer with 4-12-0 formula and is listed by the Organic Materials Review Institute (OMRI) for use in organic production
  • Marine-based alternative to traditional steamed bone meal and is a great source of organic phosphorus and calcium and wonderful for all flowering plants, trees and shrubs
  • As one of the three big nutrients for plants, phosphorous plays a role in both root and bloom development, which helps produce high-quality fruit and flowers
  • Phosphorus helps plants take to new soil by boosting root development and strong root development means plants will grow faster and be healthier because they can absorb more water and nutrients from the soil
  • The backbone of most of our fertilizer blends and contains a small amount of organic nitrogen and is an ideal fertilizer for new garden beds, perennials and bulbs

Best Fish Fertilizer For Plants 2022 | Price Comparison

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Your Guide To Buying The Best Fish Fertilizer For Plants

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5/5 - (459 votes)