Comparison: Best Alaska Fish Fertilizer On Lawns (Updated | Dec 1st)
If you’ve ever wondered how to give your lawn that lush, vibrant glow nature intended, you’re not alone—and Alaska fish fertilizer might just be your secret weapon. Sourced from cold-water fish, these nutrient-rich fertilizers feed your grass without harsh chemicals. But with so many options out there, which one truly delivers? We’ve dug into the top contenders to see which fish fertilizers boost greenery, improve soil health, and keep your lawn thriving—all while smelling (mostly) like the ocean, not your backyard. Let’s find your lawn’s perfect match.
- Best for omri certified classic: Alaska Fish Fertilizer OMRI Listed 5-1-1
- Best for vitamin-rich blend: CENTRAL GARDEN BRANDS 100099247 Fish Emul Fertilizer
- Best for wintergreen fresh: 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 fish-kelp boost: GS Plant Foods Liquid Fish & Kelp Fertilizer (1 Gallon) – Organic Material Review Institute Listed Natural Plant Food for Home Gardens
- Best for multi-pack value: Alaska 100545841 Fish Fertilizer 5-1-1 32 OZ (6 Pack)
- 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 potash power: Alaska Morbloom Fertilizer Natural Concentrate 0-10-10 32 oz
- Best for pro-grade blend: Omri Listed Fish & Kelp Fertilizer for Plants by GS Plant Foods (36oz) – Organic Fertilizer for Vegetables
- Best for all-purpose power: Alaska Fish Emulsion Fertilizer All Purpose 5-1-1 1 gal
Product Comparison: Best Alaska Fish Fertilizer On Lawns
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
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.
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.
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).
Alaska Morbloom Fertilizer Natural Concentrate 0-10-10 32 oz, Pack of 2
- Alaska Morbloom Fertilizer Natural Concentrate 0-10-10 32 oz, Pack of 2
- An extra flex groove offers a smooth toe-off.
- Heel-To-Toe Drop: 10 mm
- Not intended for use as Personal Protective Equipment (PPE)
Omri Listed Fish & Kelp Fertilizer for Plants by GS Plant Foods (36oz) – Organic Fertilizer for Vegetables, Trees, Lawns, Shrubs, Flowers, Seeds & Plants – Hydrolyzed Fish and Seaweed Blend
- 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.
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 NPK ratio should I look for in a fish fertilizer for my lawn?
For lawns, a higher nitrogen content promotes lush, green growth, so a 5-1-1 or 2-3-1 ratio works well. The Alaska Fish Fertilizer (5-1-1) provides ample nitrogen while still supplying phosphorus and potassium for root health. Choose a formula that matches your soil test results for balanced nutrition.
Is an OMRI‑listed fish fertilizer important for organic gardening?
Yes, OMRI listing guarantees the product meets organic certification standards, which is essential if you follow organic practices. Several options, such as Alaska Fish Fertilizer OMRI Listed 5‑1‑1 and GS Plant Foods Liquid Fish & Kelp, carry this certification. Selecting an OMRI‑listed product ensures compliance with organic labeling and avoids synthetic additives.
How do liquid concentrates compare to ready‑to‑use emulsions in terms of value?
Liquid concentrates like the Alaska Fish Emulsion 5‑1‑1 (1 gallon) usually offer a lower cost per ounce and allow you to dilute to the exact strength you need. Ready‑to‑use emulsions, such as Central Garden Brands Fish Emul (1 quart), are convenient but often cost more per unit of nutrients. If you have a larger lawn, the concentrate typically provides better value and flexibility.
Will the fish fertilizer have a strong odor, and does that matter?
Some fish emulsions can emit a noticeable smell, but many products are deodorized, like the Alaska Fish Emulsion with natural wintergreen scent. Odor is mainly a concern for indoor or patio applications; for outdoor lawns the scent dissipates quickly. Choosing a deodorized formula can improve comfort during application.
What packaging size should I choose for a medium‑sized lawn?
A 1‑gallon concentrate (e.g., Alaska Fish Emulsion 5‑1‑1) typically covers 2,000–3,000 sq ft when diluted according to label directions. If your lawn is smaller, a 32‑oz bottle or a 2‑pack quart (Lilly Miller Alaska Fish Fertilizer) may be more economical and reduce waste. Consider the coverage rate and how often you plan to reapply when selecting size.
Are there any added benefits beyond basic nutrition in these fish fertilizers?
Many fish fertilizers also stimulate soil microorganisms, improving soil structure and nutrient uptake; Central Garden Brands highlights this with 11 vitamins and microbe activation. GS Plant Foods blends fish hydrolysate with kelp, adding trace minerals and seaweed hormones that boost root development. These secondary benefits can enhance overall plant health, especially in stressed lawns.
How do I compare the cost‑effectiveness of the different Alaska fish fertilizers?
Calculate the price per ounce of active fertilizer and factor in the recommended dilution rate to estimate cost per square foot. Concentrates (1 gallon) generally have a lower cost per ounce than smaller 32‑oz packs, but the 6‑pack of 32‑oz bottles may offer bulk savings. Look for products that provide clear application guidelines so you can accurately gauge the expense for your specific lawn size.