Comparison: Best Alaska Fish Fertilizer For Vegetables (Updated | Dec 1st)
If you’re growing vegetables and want them to thrive, you’ve probably heard about Alaska fish fertilizer—but with so many options out there, which one’s truly the best? We’ve dug into the top contenders, comparing nutrient content, ease of use, and real garden results. Whether you’re nurturing tomatoes, leafy greens, or root crops, the right fish fertilizer can make all the difference. Let’s break down the facts and find the perfect pick to feed your soil and boost your harvest naturally.
- Best for omri certified blend: Alaska Fish Fertilizer OMRI Listed 5-1-1
- 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 convenient 2‑pack: Lilly Miller Alaska Fish Fertilizer 5-1-1 Concentrate 1 Quart (2-Pack)
- Best for high yield formula: 1 Gallon Organic Fish Emulsion Fertilizer for Plants – Ideal Liquid Fish Fertilizer for Plants
- Best for low odor premium: Neptune’s Harvest Fish Fertilizer 2-4-1
- Best for multi‑pack value: Alaska 100545841 Fish Fertilizer 5-1-1 32 OZ (6 Pack)
- Best for standard gallon size: Central Garden & Pet Co FERTILIZ Alaska Fish GAL
- Best for fish‑kelp fusion: Down To Earth All Natural Fertilizers Organic Liquid Fish & Kelp Concentrate – Plant Food for Vegetable Gardens and Flower Beds – Makes up to 32 Gallons 2-4-1
- Best for compact power pack: Fish Emulsion Fertilizer
Product Comparison: Best Alaska Fish Fertilizer For Vegetables
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
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
Lilly Miller Alaska Fish Fertilizer 5-1-1 Concentrate 1 Quart (2-Pack)

- 2 pack
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!
Neptune’s Harvest Fish Fertilizer 2-4-1, 36 Ounce

- 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
Alaska 100545841 Fish Fertilizer 5-1-1 32 OZ (6 Pack)

- 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 based fertilizer for use in vegetable and flower gardens OMRI listed Great for all indoor and outdoor plants.
- Fish has been used as a natural source of plant nutrients for centuries.
Central Garden & Pet Co FERTILIZ Alaska Fish GAL

- FERTILIZ ALASKA FISH GAL
Down To Earth All Natural Fertilizers Organic Liquid Fish & Kelp Concentrate – Plant Food for Vegetable Gardens and Flower Beds – Makes up to 32 Gallons 2-4-1, 32 oz

- Fast‑acting liquid formula: Perfect for foliar feed or soil drench applications, supporting quick absorption and growth stimulation.
- Stimulates overall plant vigor: High phosphorus aids flowering and fruiting, while nitrogen supports lush foliage and root development.
- Organic & soil‑friendly: Helps promote beneficial microbial activity and sustainable soil health due to its fish and kelp base
- Versatile application rates: For general garden use: ¼–½ cup per gallon of water; for containers: 2–4 Tbsp per gallon; for houseplants: 2 Tbsp per gallon, repeated every 2–4 weeks depending on growth stage
- Watch out for odor: While extremely effective, many users report a strong fish-like odor characteristic of fish emulsions—though it typically subsides quickly and doesn’t linger long indoors
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
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 Alaska fish fertilizer for my vegetable garden?
Look for the N‑P‑K ratio, with a 5‑1‑1 blend being ideal for balanced vegetative growth and fruiting. Check if the product is OMRI listed or certified organic, which ensures it meets organic gardening standards. Also consider container size and price per ounce to gauge value, and whether the formula is deodorized if odor is a concern.
How does the Alaska Fish Fertilizer OMRI Listed 5‑1‑1 (115 oz) compare to the Central Garden Brands Fish Emulsion (1 qt)?
Both provide a 5‑1‑1 ratio, but the Alaska brand is OMRI listed, giving it a clear organic certification, while Central Garden emphasizes 11 vitamins and a burn‑free formula. The Alaska product comes in a larger 115‑ounce container, which often works out cheaper per ounce, whereas the Central Garden option is a smaller quart, suitable for trial use. Flavor‑wise, Central Garden claims a deodorized blend, but the Alaska version also notes it’s great for indoor and outdoor plants.
Is a larger container like the 1‑gallon Alaska Fish Emulsion (5‑1‑1) more cost‑effective than buying multiple smaller packs?
Generally, buying a 1‑gallon container reduces the cost per ounce compared to several quart‑size bottles, especially if you fertilize regularly. Larger volumes also mean fewer repurchases and less packaging waste. However, ensure you have a proper storage area to keep the emulsion from degrading or developing an unpleasant odor over time.
What are the benefits of choosing a deodorized fish fertilizer, such as the Alaska Fish Emulsion with natural wintergreen scent?
Deodorized formulas reduce the strong fishy smell, making them more pleasant for indoor gardening or close‑quarter use. The added wintergreen scent can also mask any residual odor without affecting nutrient content. This feature doesn’t compromise the fertilizer’s effectiveness, so you still receive the full 5‑1‑1 nutrient profile.
How does Neptune’s Harvest 2‑4‑1 fish fertilizer differ from the 5‑1‑1 options listed?
Neptune’s Harvest offers a higher phosphorus (4) level, which promotes stronger root development and flowering, making it better suited for bloom‑heavy plants. Its cold‑process method retains fish proteins and oils, resulting in a low‑odor product. If your primary goal is vegetable production, a 5‑1‑1 blend may provide a more balanced nutrient mix.
Can I use fish fertilizer as both a soil drench and a foliar spray?
Yes, most liquid fish emulsions, including the 2‑3‑1 organic fish fertilizer, work well as soil drenches to improve soil fertility and as foliar feeds for quick nutrient uptake. Follow the label’s dilution rates—typically ¼ cup per gallon for soil and 2 Tbsp per gallon for foliar applications. Consistent use every 2‑4 weeks will support steady growth without risking burn.
Is the price difference between the Alaska 5‑1‑1 32‑oz 6‑pack and a single 1‑gallon bottle justified?
The 6‑pack offers flexibility, allowing you to spread purchases over time and avoid waste if you don’t use all product quickly. However, the single 1‑gallon bottle often delivers a lower cost per ounce, which is more economical for frequent growers. Evaluate your usage rate; heavy gardeners benefit from bulk, while occasional users may prefer the pack for convenience.
What should I look for in terms of additional nutrients or additives in fish fertilizers?
Beyond the basic N‑P‑K ratio, many fish emulsions include micronutrients, amino acids, and vitamins that support overall plant health. Products like Central Garden Brands list 11 vitamins, while some blends incorporate kelp for extra trace minerals. These additives can enhance soil microbial activity and improve fruit quality, adding extra value beyond the primary nutrients.
