Comparison: Best Alaska Fish Fertilizer For Grass (Updated | Dec 1st)
If you’ve ever wondered how to get your lawn lush, green, and thriving, you might want to look no further than Alaska fish fertilizer. Known for its rich nutrient profile and organic goodness, it’s a favorite among gardeners who want healthy grass without harsh chemicals. But with so many options out there, which one really delivers? In this article, we’ll break down the best Alaska fish fertilizers for grass, comparing effectiveness, smell, ease of use, and value—so you can make the smartest choice for your yard.
- Best for omri certified fish: Alaska Fish Fertilizer OMRI Listed 5-1-1
- Best for vitamin-rich organic: CENTRAL GARDEN BRANDS 100099247 Fish Emul Fertilizer
- Best for wintergreen fresh blend: Alaska Fish Emulsion Fertilizer 5-1-1 Concentrate 1 Gallon (Packaging may vary)
- Best for dual pack deal: Lilly Miller Alaska Fish Fertilizer 5-1-1 Concentrate 1 Quart (2-Pack)
- Best for fish & kelp power: GS Plant Foods Liquid Fish & Kelp Fertilizer (1 Gallon) – Organic Material Review Institute Listed Natural Plant Food for Home Gardens
- Best for six-pack value: Alaska 100545841 Fish Fertilizer 5-1-1 32 OZ (6 Pack)
- Best for potassium boost duo: Alaska Morbloom Fertilizer Natural Concentrate 0-10-10 32 oz
- Best for all-purpose fish: Alaska Fish Emulsion Fertilizer All Purpose 5-1-1 1 gal
- Best for compact complete: Fish Emulsion Fertilizer
- Best for seaweed balanced: Neptune’s Harvest Fish & Seaweed Fertilizer 2-3-1
Product Comparison: Best Alaska Fish Fertilizer For Grass
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.
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)
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
Neptune’s Harvest Fish & Seaweed Fertilizer 2-3-1, 18 Ounce
- 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
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 N‑PK ratio should I choose for a healthy lawn?
For grass, a higher nitrogen level promotes lush, green growth, so a 5‑1‑1 or 0‑10‑10 formula can work depending on your soil needs. Alaska’s 5‑1‑1 concentrates (e.g., the 115 oz OMRI listed product) provide a balanced nitrogen boost without excess phosphorus. If you need more phosphorus for root development, consider the Morbloom 0‑10‑10 option. Always test your soil first to avoid over‑fertilizing.
How do the Alaska 5‑1‑1 concentrates compare to the Central Garden Brands fish emulsion?
Alaska’s 5‑1‑1 products are OMRI‑listed and deodorized, offering a clean application for both indoor and outdoor plants, while Central Garden Brands emphasizes 11 vitamins and a burn‑free claim. Both are 100 % organic, but Alaska’s larger containers (1 gallon or 6‑pack) often provide better value per ounce. The Central Garden version includes a focus on microbial stimulation, which can enhance soil health over time.
Is the GS Plant Foods Liquid Fish & Kelp fertilizer worth the higher price?
GS Plant Foods combines fish hydrolysate with seaweed, delivering additional trace minerals and a proven boost to soil microbiology, which can improve nutrient uptake for lawns. While it’s more expensive than plain fish emulsion, the dual‑source nutrition and OMRI certification can justify the cost for gardeners seeking premium, all‑purpose fertilizer. Mix at the recommended rate (2 oz per gallon of water) for consistent results.
Do I need to worry about the odor when using fish fertilizer on my lawn?
Many Alaska fish fertilizers are deodorized with natural wintergreen, reducing the typical fishy smell during application. Products like the Alaska Fish Emulsion 5‑1‑1 concentrate specifically mention this feature. If odor is a concern, choose a deodorized option or apply the fertilizer in the early morning when winds are calm.
Which product gives the best value for large‑area lawn care?
The Alaska 5‑1‑1 1‑gallon concentrate and the 6‑pack 32‑oz bottles provide the lowest cost per ounce, making them ideal for covering extensive lawns. Their OMRI listing ensures they meet organic standards, and the larger volumes reduce the frequency of repurchasing. For occasional spot‑treatment, a smaller 8‑oz bottle like Neptune’s Harvest may be more convenient but less economical overall.
Can I use these fish fertilizers on both lawns and garden beds?
Yes, most of the listed products are labeled for use on vegetables, fruits, flowers, trees, and turf, offering versatile application across your landscape. The Alaska 5‑1‑1 formulas and Central Garden Brands emulsion explicitly state suitability for indoor and outdoor plants. Just follow the dilution instructions for each product to avoid over‑application on sensitive garden beds.
What should I look for on the label to ensure the fertilizer is safe for organic gardening?
Check for OMRI certification or a statement that the product is 100 % organic, as seen on Alaska’s 5‑1‑1 fertilizers and GS Plant Foods. Additionally, verify that the formula does not contain synthetic additives or fillers. Products that highlight “no burn” and “microorganism stimulation” are also good indicators of organic compatibility.