Comparison: Best Organic Fish Emulsion Plant Food (Updated | Dec 1st)
If your garden’s looking a little under the weather, it might just be craving some good, old-fashioned nourishment—and that’s where organic fish emulsion shines. We’ve all heard the buzz about this smelly but mighty fertilizer, but with so many options on the shelf, how do you know which one’s truly the best?
- Best for cold-pressed power: 1 Gallon Organic Fish Emulsion Fertilizer for Plants – Ideal Liquid Fish Fertilizer for Plants
- Best for vitamin-rich boost: CENTRAL GARDEN BRANDS 100099247 Fish Emul Fertilizer
- Best for wintergreen deodorized: Alaska Fish Emulsion Fertilizer 5-1-1 Concentrate 1 Gallon (Packaging may vary)
- Best for omri certified: Alaska Fish Fertilizer OMRI Listed 5-1-1
- Best for compact salmon blend: Fish Emulsion Fertilizer
- Best for deep green formula: Fertilome (10612) Fish Emulsion Fertilizer 5-1-1 (32 oz)
- Best for fish & kelp fusion: GS Plant Foods Liquid Fish & Kelp Fertilizer (1 Gallon) – Organic Material Review Institute Listed Natural Plant Food for Home Gardens
- Best for balanced 2-3-1: GS Plant Foods Liquid Fish Fertilizer – Organic Material Review Institute Listed (1 Gallon) – Natural Hydrolyzed Fish Fertilizer for Gardens
- Best for omega‑rich salmon: Bloom City Organic Wild Fish Fertilizer and Plant Supplement
- Best for premium salmon blend: Bloom City Organic Wild Fish Fertilizer and Plant Supplement
Product Comparison: Best Organic Fish Emulsion Plant Food
1 Gallon Organic Fish Emulsion Fertilizer for Plants – Ideal Liquid Fish Fertilizer for Plants, Flowers, Fruits & Vegetables, 2-3-1 NPK – Sustainably Sourced and Hydrolyzed for Steady Growth
- 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. Using an environmentally conscious method, ingredients are refined fresh and 100% cold pressed to help retain all of the nutrients, vitamins, and amino acids needed to grow healthy plants.
- GROW PLANTS NATURALLY – 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 microorganisms like 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!
CENTRAL GARDEN BRANDS 100099247 Fish Emul Fertilizer, 1 Quart
- Promotes healthy plant growth with 11 vitamins
- Can be used on all indoor and outdoor plants
- 100-percent organic
- Stimulates microorganisms
- Does not burn
Alaska Fish Emulsion Fertilizer 5-1-1 Concentrate 1 Gallon (Packaging may vary)
- 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
Alaska Fish Fertilizer OMRI Listed 5-1-1, 115 oz
- Fish-based fertilizer for use in vegetable, fruit, and flower gardens
- Excellent for use on flowers, trees, and other plants
- OMRI listed
- For organic gardening
- Great for all indoor and outdoor plants
- NPK 5-1-1 fish emulsion fertilizer
- Fish has been used as a natural source of plant nutrients for centuries
- Easy to use, just mix with water
Fish Emulsion Fertilizer, Complete Fish Emulsion Plant Food, 8 oz (250mL)
- Complete fish fertilizer for thriving plants
- Helps growth with natural harvest salmon nutrients
- Easy-to-follow care instructions included
- Made in the USA
Fertilome (10612) Fish Emulsion Fertilizer 5-1-1 (32 oz)
- Develops deep green foliage, vigorous root systems and a solid plant structure
- Derived from fish soluble, can be used from indoor and outdoor. Can be used on plants and trees.
- Mixes with water and can be used by any convenient method of application. Shake well before use.
- 5-1-1 Fertilizer contains 5% Nitrogen, 1% Phosphate and 1% Soluble Potash.
- For plants mix 1-2 tbsp per 1 gal of water. For trees mix 4 tbsp per gal of water.
GS Plant Foods Liquid Fish & Kelp Fertilizer (1 Gallon) – Organic Material Review Institute Listed Natural Plant Food for Home Gardens, Lawns, and Vegetables
- ORGANIC MATERIALS REVIEW INSTITUTE LISTED FOR TRUSTED GARDEN CARE Certified by OMRI for use in organic growing, GS Plant Foods Liquid Fish & Kelp Fertilizer delivers reliable, natural nutrition for vegetables, lawns, flowers, and shrubs.
- SEA-AND-SOIL BASED NUTRITION Made from North Atlantic seaweed (Ascophyllum nodosum) and fresh fish hydrolysate, this liquid concentrate provides essential nutrients and trace minerals that help support healthy soil and plant development.
- IMPROVES SOIL MICROBIOLOGY & NUTRIENT UPTAKE Supports a thriving soil ecosystem that promotes strong root systems and efficient nutrient absorption — the foundation for resilient, productive plants.
- EASY-TO-USE CONCENTRATE FOR ALL PLANTS Mix 2 oz per gallon of water and apply as a foliar spray or soil drench every 2–4 weeks. Safe for use on vegetables, fruits, ornamentals, turf, and houseplants.
- MADE IN THE USA – SUSTAINABLY PRODUCED Proudly produced by GS Plant Foods as a licensed fertilizer manufacturer. No synthetic chemicals, additives, or fillers — just natural ingredients formulated for healthy home gardens and hobby farms.
GS Plant Foods Liquid Fish Fertilizer – Organic Material Review Institute Listed (1 Gallon) – Natural Hydrolyzed Fish Fertilizer for Gardens, Lawns & Container Growing
- Organic Materials Review Institute Listed for Organic Production Approved as GS Plant Foods Organic Liquid Fish Concentrate 2-3-1. Suitable for organic growing under OMRI and NOP standards.
- Balanced Nutrient Formula (2-3-1) Provides primary nutrients from hydrolyzed fish for sustained plant nutrition and soil health.
- Versatile Garden Use: Ideal for vegetables, lawns, flowers, shrubs, trees, fruit, and container plants when used as directed.
- Simple Application: Mix 4 oz per gallon of water for most uses. Apply generously to soil or as a foliar feed until leaves are wet.
- Florida Licensed Manufacturer: Produced by GS Plant Foods, LLC (License F003717). 1 Gallon liquid fertilizer (8.9 lb).
Bloom City Organic Wild Fish Fertilizer and Plant Supplement, Great for Roots and Soil, Made from Sustainable Salmon, 1/2 Pint (8 oz)
- FROM SUSTAINABLE ALASKAN SALMON: Great for Soil and Plants, for indoor and outdoor use.
- CONTAINS SALMON EMULSION AND SALMON OIL: Very high in omega 3 Fatty Acids for Plants. More Amino Acids than any other brand.
- SMELLS LIKE FISH: You know this is the good stuff, because is really really smells like ocean and fish.
- HIGHEST QUALITY, MOST POTENT, BEST VALUE, BIGGEST YIELD: Bloom City’s ingredients are better for plants, better for you, and better for the planet. Simply the best choice for the conscientious grower.
- FORMULATED AND MADE IN THE USA: Designed by botanists and plant chemists in Seattle, Washington. Bloom City chooses only the highest quality ingredient sources and manufacturing methods to create the world’s best craft growing nutrient systems.
Bloom City Organic Wild Fish Fertilizer and Plant Supplement, Great for Roots and Soil, Made from Sustainable Salmon, Quart (32 oz)
- FROM SUSTAINABLE ALASKAN SALMON: Great for Soil and Plants, for indoor and outdoor use.
- CONTAINS SALMON EMULSION AND SALMON OIL: Very high in omega 3 Fatty Acids for Plants. More Amino Acids than any other brand.
- SMELLS LIKE FISH: You know this is the good stuff, because is really really smells like ocean and fish.
- HIGHEST QUALITY, MOST POTENT, BEST VALUE, BIGGEST YIELD: Bloom City’s ingredients are better for plants, better for you, and better for the planet. Simply the best choice for the conscientious grower.
- FORMULATED AND MADE IN THE USA: Designed by botanists and plant chemists in Seattle, Washington. Bloom City chooses only the highest quality ingredient sources and manufacturing methods to create the world’s best craft growing nutrient systems.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Buying Guide
FAQs
What key factors should I consider when choosing an organic fish emulsion fertilizer?
Look for a clear NPK ratio that matches your plant’s growth stage, the source of the fish (sustainably harvested is best), and whether the product is OMRI‑listed for certified organic use. The concentration matters too—higher‑strength concentrates give more flexibility but require careful dilution. Finally, check for additional ingredients like kelp or micronutrients that can boost soil biology.
How does the 2‑3‑1 ratio of the 1‑gallon Organic Fish Emulsion (B09FZTPQJL) compare to the 5‑1‑1 formulas offered by other brands?
A 2‑3‑1 ratio provides more phosphorus and potassium relative to nitrogen, which promotes strong root and flower development and is ideal for blooming plants. The 5‑1‑1 formulas deliver higher nitrogen for rapid leafy growth, making them better suited for vegetative stages or leafy greens. Choose the ratio that aligns with the specific growth phase of your garden.
Does the fishy odor indicate a higher‑quality product?
Yes, a genuine fish smell usually means the fertilizer contains real, cold‑pressed fish emulsion without heavy masking agents. Products that are completely odorless often use synthetic additives or heavily processed extracts, which can reduce the natural amino acids and micronutrients. A mild, natural scent is a good sign of authenticity.
Which option gives the best value per ounce for a home gardener?
The 1‑gallon Organic Fish Emulsion (B09FZTPQJL) and the GS Plant Foods Liquid Fish & Kelp (B00BBLMXVQ) both provide large volumes at a comparable concentration, making them cost‑effective for regular use. The 8‑oz Fish Emulsion (B0DQR1X69R) is convenient for trial runs but costs more per ounce. For most gardeners, buying a gallon‑size bottle offers the lowest price per unit of nutrient.
Are there deodorized fish emulsions suitable for indoor plants?
Alaska Fish Emulsion (B002RH0B26) is deodorized with natural wintergreen, which reduces the strong fish smell while keeping the nutrient profile intact. This makes it a good choice for indoor containers, greenhouse benches, or any space where odor could be an issue. The product still delivers a 5‑1‑1 NPK ratio for balanced growth.
Why is an OMRI listing important when buying organic fish fertilizer?
OMRI certification guarantees that the product meets strict organic standards and can be used in certified organic production without risking compliance violations. Several items in the list—such as GS Plant Foods Liquid Fish (B00LUT5E74) and Alaska Fish Fertilizer OMRI Listed (B0DQ2LNX35)—carry this label, giving growers confidence in their organic integrity. It also often signals higher quality control and transparent ingredient sourcing.
What are the benefits of a fish‑and‑kelp blend compared to pure fish emulsion?
Adding kelp introduces natural plant hormones, trace minerals, and sea‑derived carbohydrates that enhance root development and stress tolerance. The GS Plant Foods Liquid Fish & Kelp (B00BBLMXVQ) combines these benefits with the nitrogen, phosphorus, and potassium from fish, delivering a more complete nutrient package. This blend can improve soil microbiology and nutrient uptake more effectively than fish alone.
How do I decide between a concentrate (e.g., 8 oz) and a ready‑to‑use gallon bottle?
Concentrates allow you to tailor the dilution rate for different plant types and stages, which can be more economical if you have varied watering schedules. Ready‑to‑use gallon bottles are simpler for routine feeding and reduce the risk of over‑dilution errors. If you’re new to fish emulsions, starting with a gallon size provides consistency, while experienced growers may appreciate the flexibility of a smaller, stronger concentrate.