15 Amazing Organic Fish Fertilizer for 2024

(Many of the links in this article redirect to a specific reviewed product. Your purchase of these products through affiliate links helps to generate commission for Storables.com, at no extra cost. Learn more)

Introducing the ultimate guide to the "15 Amazing Organic Fish Fertilizers for 2023." In the world of gardening and agriculture, organic fertilizers have gained tremendous popularity due to their environmentally friendly and sustainable nature. With the increasing demand for organic gardening practices, fish-based fertilizers have emerged as a powerful tool to nurture plants and promote healthy growth. As we approach 2023, this comprehensive list of 15 remarkable fish fertilizers will provide gardeners, farmers, and enthusiasts alike with invaluable insights into the most effective and high-quality options available in the market. Whether you are a novice gardener or a seasoned professional, these organic fish fertilizers will revolutionize the way you nurture your plants, ensuring an abundant and thriving harvest in the upcoming year.

Organic Fish and Kelp Blend

Check Latest Price

This product has a rating of A.*What does this rating mean?

Overall Score: 8.7/10

The Organic Fish and Kelp Blend by GS Plant Foods is a high-quality liquid fertilizer that promotes optimal plant growth and health. It is made from all-natural fish and kelp extracts, which are organic and safe for both home and commercial use. This blend not only nourishes plants but also helps rebuild the soil, resulting in higher production yields. It can be used on a wide range of plants, including vegetables, flowers, trees, and lawns, without the worry of harmful runoff. The easy-to-apply formula delivers great results, ensuring healthier crops and overall plant well-being. With its trusted and reliable quality, GS Plant Foods provides customers with a cost-efficient and sustainable option for their gardening needs.

The Organic Fish and Kelp Blend by GS Plant Foods is a highly effective liquid fertilizer that delivers exceptional results. Its organic and all-natural formula ensures optimal plant growth and health, making it a reliable choice for both home gardeners and commercial users. While it does have a strong fishy smell, the benefits of using this blend outweigh the temporary odor. The fertilizer is easy to apply and works well on a variety of plants, from vegetables to trees and lawns. Overall, this product provides a sustainable and cost-efficient solution for achieving healthier crops and vibrant plants.

Neptune's Harvest Organic Fertilizer

Check Latest Price

This product has a rating of A.*What does this rating mean?

Overall Score: 8.7/10

Neptune's Harvest Organic Hydrolized Fish & Seaweed Fertilizer is a powerful formula that helps you grow a beautiful vegetable garden. It enhances the strength and color of flowers and foliage, while making blooms more plentiful, fragrant, and longer-lasting. This fertilizer is easy to mix and apply by hand, sprayer, or drip line. With a size of 36 ounces, it provides ample coverage for your plants. The product has received positive reviews for its effectiveness, although some users have mentioned the strong smell. Overall, it is a cost-effective option for fertilizing specific types of plants.

Neptune’s Harvest Organic Hydrolized Fish & Seaweed Fertilizer is a reliable option for enhancing the growth and health of your plants. While it may have a strong smell, its effectiveness in improving foliage and promoting growth outweighs this drawback. Users have observed positive results with various house plants and heavy-feeding vegetables like cucumbers. However, caution is advised when using it on tomatoes as it may have adverse effects. Overall, this organic fertilizer offers great value for its price.

Trident's Pride Organic Liquid Fish Hydroponic Soil Fertilizer

Check Latest Price

This product has a rating of A.*What does this rating mean?

Overall Score: 8/10

Just Scentsational Bare Ground Solutions TP-1Q Trident's Pride Organic Liquid Fish Hydroponic Soil Fertilizer is an all-natural, organic fish fertilizer that adds proteins and enzymes to the soil. This concentrated, high-energy nutrient broth improves the growth of lawns, crops, and gardens. It cuts down on the use of chemical fertilizers and increases the population of earthworms. The increased microbe production reduces the need for pesticides and creates stronger growth. The easy-pour jug with a handle makes application convenient, and the suggested use is 4-6 oz per gallon of water. The product has a dimension of 3.40Lx3.40Wx8.70H and comes in a size of 32 oz (1 Quart).

Just Scentsational Bare Ground Solutions TP-1Q Trident’s Pride Organic Liquid Fish Hydroponic Soil Fertilizer is a highly effective and organic solution for improving soil health and promoting stronger growth in lawns, crops, and gardens. It is easy to use and reduces the need for chemical fertilizers and pesticides. However, it may have a strong smell and attract flies. Overall, it is a superior product compared to synthetic alternatives and provides great results when used correctly. If you are looking for an organic fertilizer that delivers impressive results, this product is worth considering.

Alaska Fish Emulsion Fertilizer Concentrate

Check Latest Price

This product has a rating of A.*What does this rating mean?

Overall Score: 8.5/10

The Alaska Fish Emulsion Fertilizer 5-1-1 Concentrate is an excellent source of organic plant nutrients. This fertilizer is great for all plants and will not burn them. It is deodorized with natural wintergreen, making it more pleasant to use. The 5-1-1 concentration provides the ideal balance of nutrients for both seedlings and plants in longer-term development. With proper dilution, a gallon of this fertilizer can last a long time for the average gardener. Although it does have a strong fishy scent due to being made from fermented fish, it is effective and loved by both the plants and the gardeners who use it.

Despite its pungent smell and slightly inconvenient design, the Alaska Fish Emulsion Fertilizer 5-1-1 Concentrate is an excellent choice for gardeners looking for an organic and effective plant fertilizer. The deodorized formula, combined with the 5-1-1 concentration, provides the ideal balance of nutrients for both seedlings and established plants. It offers great value for the money, as a gallon can last a long time. The positive effects on plant growth and health are impressive, with greener and healthier plants noticeable within days of application. Although the scent may linger in the garden for a day or two, the results make it well worth it. Whether you are a seasoned gardener or a beginner, this fish emulsion fertilizer is definitely worth considering.

Fish Fertilizer – Liquid Organic Fertilizer for Plants

Check Latest Price

This product has a rating of A.*What does this rating mean?

Overall Score: 9.2/10

The Fish Fertilizer – Omri Listed Hydrolyzed Fish Fertilizer for Plants is an all-natural liquid organic fertilizer that promotes optimal plant growth and health. It is packed with amino acids and micro nutrients, providing more than just the standard N-P-K found in synthetic fertilizers. This organic fish fertilizer is easy to apply and yields great results for various types of plants, including vegetables, fruit, lawns, and blooms. It stimulates water penetration and increases nutrient assimilation, leading to healthier crop yields and overall plant well-being. With a trusted and reliable reputation, Indian River Organics ensures the highest quality products that consistently deliver amazing results. Get your plants thriving with this effective and sustainable fish fertilizer!

The Fish Fertilizer – Omri Listed Hydrolyzed Fish Fertilizer is an excellent choice for all types of plants, offering an organic and reliable solution for optimal growth and health. With its packed amino acids and micro nutrients, it outperforms synthetic fertilizers, leading to bigger yields and better-tasting produce. While it may have a strong smell and some challenges with the label, its effectiveness makes up for these minor drawbacks. Whether you’re a home gardener or commercial grower, this fish fertilizer will enhance your plant’s performance and overall well-being. Give your plants the nutrients they need and watch them thrive with this trusted and sustainable liquid organic fertilizer.

Neptune's Harvest Fish Fertilizer 2-4-1

Check Latest Price

This product has a rating of A.*What does this rating mean?

Overall Score: 8.5/10

Neptune's Harvest Fish Fertilizer 2-4-1 is an organic fertilizer made from fresh north Atlantic fish. It is produced using a unique cold process that preserves the nutrients found in fish, including vitamins, amino acids, enzymes, and growth hormones. Unlike fish emulsions, this fertilizer retains the fish proteins and oils without the unpleasant odor. It contains all the micro and macro nutrients naturally present in fish. With a customer rating of 4.7/5, this fertilizer has been praised by users for promoting growth in both houseplants and gardens. The 18-ounce size makes it easy to use, and many users have seen great results, including increased plant growth and vibrant colors in flowering plants. While some users have mentioned a slight odor, it is generally well-tolerated. Overall, Neptune's Harvest Fish Fertilizer 2-4-1 is highly recommended for both seasoned gardeners and beginners alike.

Neptune’s Harvest Fish Fertilizer 2-4-1 is a highly recommended organic fertilizer for all types of plants. Its unique cold process preserves the natural nutrients found in fish without the unpleasant odor commonly associated with fish emulsions. Users have reported excellent results, including vibrant plant growth and improved colors in flowering plants. While it may be slightly expensive, the positive effects on plants make it worth the investment. Whether you’re a seasoned gardener or a first-time user, this fertilizer is easy to use and delivers noticeable results. Incorporating Neptune’s Harvest Fish Fertilizer 2-4-1 into your gardening routine will promote healthy and thriving plants, both indoors and outdoors.

Fish Emulsion Fertilizer for Plants

Check Latest Price

This product has a rating of A.*What does this rating mean?

Overall Score: 8.5/10

Introducing the Organic Alaska Fish Fertilizer for Plants – a sustainable and potent fish emulsion fertilizer made from Alaskan salmon. This concentrated salmon formula is the perfect solution to enhance soil and promote the growth of plants and vegetables. Infused with omega-3 fatty acids and amino acids, it offers superior nutrition compared to other brands. Embracing its fishy essence, this fertilizer truly smells like the ocean, making it the real deal. Crafted by botanists and plant chemists in Seattle, Washington, this formula ensures the best quality and value for conscientious growers. With a gallon-sized container, it provides the highest yield for both indoor and outdoor usage. Made in the USA, it is the go-to choice for those who value their plants and the environment.

The Organic Alaska Fish Fertilizer for Plants is the ultimate choice for conscientious growers seeking a sustainable and potent solution. With its high-quality ingredients and superior nutrition, it enhances soil, promotes plant growth, and yields remarkable results. While the authentic fishy smell can be off-putting to some, rest assured that it signifies the product’s effectiveness. Crafted in the USA by experts, this fish emulsion fertilizer is the go-to choice for both indoor and outdoor use. However, it may not work equally well with all types of plants. For those who value their plants and the environment, this is a must-have for a thriving garden.

Neptune's Harvest Fish & Seaweed Fertilizer

Check Latest Price

This product has a rating of A.*What does this rating mean?

Overall Score: 9/10

Neptune's Harvest Fish & Seaweed Fertilizer is a gallon-sized fertilizer that helps grow beautiful vegetable gardens and stronger, more colorful flowers and foliage. It promotes more plentiful and longer-lasting blooms. The fertilizer is easy to mix and apply by hand, sprayer, or drip line. With a dimension of 6.00Lx6.00Wx12.00H, this gallon-sized fertilizer is perfect for gardening needs. Customers have rated it 4.8 out of 5, praising its effectiveness. Some customers have reported a strong smell but overall, the consensus is that it delivers great results. The fertilizer is liquid despite some initial confusion due to inconsistent labeling. Overall, this fish and seaweed fertilizer is highly recommended for organic gardens and provides excellent results for plants and herbs.

Neptune’s Harvest Fish & Seaweed Fertilizer is a highly recommended product for organic gardens. Despite the strong fishy smell, it delivers outstanding results by promoting the growth of beautiful vegetable gardens, enhancing the strength and color of flowers and foliage, and increasing the quantity and fragrance of blooms. It also improves the scent and flavor of herbs, making them more potent. The fertilizer is easy to mix and apply, and customers have praised its effectiveness in transforming gardens and plants. Although there have been some initial confusion regarding its labeling, the overall consensus is that Neptune’s Harvest Fish & Seaweed Fertilizer is an excellent choice for gardening needs.

OMRI Listed Hydrolyzed Fish Fertilizer

Check Latest Price

This product has a rating of A.*What does this rating mean?

Overall Score: 8/10

Indian River Organics Liquid Fish Fertilizer is an all-natural high-quality fish fertilizer that promotes excellent plant growth. It is packed with amino acids, micro nutrients, and minerals, providing comprehensive nourishment for plants. This organic fish fertilizer stimulates water penetration and increases nutrient assimilation, resulting in optimal plant growth and health. It is easy to apply and suitable for home gardeners as well as commercial use. Trusted and reliable, Indian River Organics delivers consistent and amazing results in your garden. With a customer rating of 4.6/5, this fish fertilizer is highly recommended and loved by many.

Indian River Organics Liquid Fish Fertilizer is a highly effective and organic solution for promoting plant growth and health. With its comprehensive mix of amino acids, micro nutrients, and minerals, it provides exceptional nourishment for plants. While the strong fish smell may be off-putting, the benefits outweigh this drawback. The fertilizer is easy to apply and suitable for both home and commercial use. It has received a customer rating of 4.6/5, indicating its popularity and effectiveness. If you’re looking for a trusted and reliable fish fertilizer to enhance the growth and vitality of your plants, this product is highly recommended.

Indian River Organics Fish & Kelp Blend Fish Fertilizer

Check Latest Price

This product has a rating of A.*What does this rating mean?

Overall Score: 8/10

The Indian River Organics Fish & Kelp Blend Fish Fertilizer is a powerful organic fertilizer that combines the benefits of fish and seaweed to provide your plants with all the nutrients they need. This liquid fertilizer is packed with amino acids and micro nutrients that promote healthier and more resistant plants. The addition of North Atlantic kelp enhances the plant supplement, providing immediate benefits to your plants. With easy application instructions, you can use this fertilizer on your lawn, fruits, vegetables, flowers, and trees. It is a trusted and reliable product that consistently yields amazing results in your garden. Give your plants the nourishment they deserve with this effective fish and kelp fertilizer.

The Indian River Organics Fish & Kelp Blend Fish Fertilizer is a highly effective organic fertilizer that provides outstanding results for all kinds of plants. It combines the benefits of fish and seaweed to promote healthier, more resistant plants that can withstand various environmental conditions. With easy application instructions and a trusted brand reputation, this fertilizer is a reliable choice for any gardener. However, the strong fish smell and potential attractant for animals should be taken into consideration. Overall, this product delivers on its promises and is a great investment for those looking to improve the health of their plants.

Fertilome Fish Emulsion Fertilizer 5-1-1

Check Latest Price

This product has a rating of A.*What does this rating mean?

Overall Score: 8.5/10

Fertilome (10611) Fish Emulsion Fertilizer 5-1-1 (16 oz) is a highly effective fertilizer that promotes the growth of plants and trees. It develops deep green foliage, vigorous root systems, and a solid plant structure. Derived from fish soluble, it can be used both indoors and outdoors. The fertilizer mixes well with water and can be conveniently applied using any method. Its 5-1-1 composition contains 5% Nitrogen, 1% Phosphate, and 1% Soluble Potash, providing essential nutrients for healthy plant growth. For plants, it is recommended to mix 1-2 tbsp per 1 gallon of water, and for trees, 4 tbsp per gallon of water. With a customer rating of 4.6/5, this fish emulsion fertilizer has received positive reviews for its effectiveness in promoting plant health and growth.

Overall, Fertilome Fish Emulsion Fertilizer 5-1-1 is a highly effective product for promoting plant growth and health. While it may have a strong fishy smell, its results speak for themselves. Customers have reported great success with various plants, including cucumbers, melons, peppers, asparagus ferns, and more. The fertilizer is easy to use and mixes well with water for convenient application. Although some plants may not respond well to this fertilizer, the majority of reviews indicate positive outcomes. If you are looking for a fertilizer that delivers impressive results, Fertilome Fish Emulsion Fertilizer 5-1-1 is definitely worth considering.

Down to Earth Fish Meal Fertilizer 8-6-0

Check Latest Price

This product has a rating of A.*What does this rating mean?

Overall Score: 8.5/10

The Down to Earth Organic Fish Meal Fertilizer is a high-quality organic fertilizer that promotes vigorous root development and provides an early season boost for all your plants. With an 8-6-0 formula, it is excellent for starting young transplants and is recommended for heavy feeders like corn, squash, tomatoes, and potatoes. This five-pound box of fertilizer is listed by the Organic Materials Review Institute (OMRI) for use in organic production. It is great for vegetable gardens, flower beds, and all types of outdoor plants, trees, and shrubs. Customers have reported that their plants love this product, with noticeable gains in plant health and productivity. It is easy to use and provides generous amounts of organic nitrogen and phosphorus.

The Down to Earth Organic Fish Meal Fertilizer is a highly recommended organic fertilizer for any gardening enthusiast. It provides excellent results, with customers reporting noticeable gains in plant health and productivity. While the fish odor may be unpleasant, it is tolerable considering the benefits it brings to your plants. The fertilizer is easy to use and provides generous amounts of organic nitrogen and phosphorus. However, it should be noted that this product is not suitable for shrimping or baiting purposes. Overall, this fertilizer is a great addition to any vegetable garden, flower bed, or outdoor plant, and it is listed by the Organic Materials Review Institute for use in organic production.

Down to Earth Liquid Fish & Kelp 2-4-1, 1 Quart

Check Latest Price

This product has a rating of A.*What does this rating mean?

Overall Score: 8/10

Down to Earth Liquid Fish & Kelp 2-4-1, 1 Quart is a highly effective fertilizer suited for all types of edible, ornamental, and indoor plants. It is listed by the Organic Materials Review Institute (OMRI) for use in organic production, ensuring its quality and safety. This liquid fertilizer provides the perfect combination of fish and kelp ingredients to promote healthy plant growth and flowering. Customers have reported impressive results, with plants growing taller and gardens turning into lush jungles. The product is easy to use, and its tomato/veg balance is highly praised. However, it does have a strong fishy smell and may attract flies if not properly watered into the soil.

Overall, Down to Earth Liquid Fish & Kelp 2-4-1, 1 Quart is an excellent choice for those seeking a powerful organic fertilizer. Its performance in boosting plant growth and flowering is superior to other products on the market. While the smell may be unpleasant, the results are worth it. The OMRI listing adds an extra layer of trust, and the ease of use makes it suitable for both experienced and novice gardeners. Whether you have a backyard garden or indoor plants, this fertilizer will help you achieve healthy and thriving vegetation. With a solid rating of 8, it’s definitely a staple to consider for your garden supplies.

Neptune's Harvest Fish & Seaweed Fertilizer 36 Oz

Check Latest Price

This product has a rating of A.*What does this rating mean?

Overall Score: 8.5/10

Neptune's Harvest Organic Hydrolized Fish & Seaweed Fertilizer is a 36-ounce bottle of nutrient-rich goodness that will have your plants flourishing like never before! This sea-sourced solution combines hydrolized fish and seaweed to provide your plants with essential nutrients for healthy growth and development. It promotes vigorous root systems, abundant blossoms, and increased fruit production, making your garden a veritable paradise of productivity. Sustainably sourced and organic, this fertilizer ensures you're not only nourishing your plants but also doing your part for Mother Earth. Suitable for a wide range of plants, from vegetables and fruits to flowers and shrubs, Neptune's Harvest Organic Hydrolized Fish & Seaweed Fertilizer offers oceanic goodness for all your gardening needs.

Neptune’s Harvest Organic Hydrolized Fish & Seaweed Fertilizer is the sea’s secret to garden glory, providing your plants with an oceanic elixir that promotes optimal growth and abundance. Embrace the power of this aquatic agricultural ally, and watch your garden transform into a flourishing haven of earthly delights.

Neptune's Harvest Fish Fertilizer

Check Latest Price

This product has a rating of A.*What does this rating mean?

Overall Score: 8/10

Neptune's Harvest Organic Fish Fertilizer is a highly nutritional protein fertilizer made with naturally occurring enzymes from fresh North Atlantic fish. This organic fertilizer slowly breaks down into basic compounds, promoting the growth of beneficial bacteria without causing any damage to the soil. The nutrients in the fertilizer remain in the soil for a longer duration since no oils or proteins are removed during the manufacturing process. It is a pack of 1 and comes in a 36-oz bottle. Customers have praised its effectiveness in improving the health and growth of various plants while also appreciating the lack of strong odor. With a customer rating of 4.7/5, the product has received positive reviews for its ability to rejuvenate plants and promote superior crops.

Neptune’s Harvest Organic Fish Fertilizer is an effective and highly nutritional protein fertilizer that promotes plant growth without causing any harm to the soil. Customers have witnessed significant improvements in the health and vitality of their plants, including better blooms and superior crops. The lack of strong odor and ease of use are additional advantages. However, some users have found the product to be diluted and relatively expensive compared to alternatives. Overall, if you’re in search of an organic fertilizer that delivers noticeable results, Neptune’s Harvest is worth considering.

Buyer's Guide: Organic Fish Fertilizer

So, you're looking to dive into the world of organic fish fertilizer? Great choice! Fish fertilizers are an excellent way to boost the health and productivity of your plants using natural and sustainable methods. To help you navigate this vast ocean of options, here's a comprehensive buyer's guide to finding the perfect organic fish fertilizer for your gardening needs:

Benefits of Organic Fish Fertilizer:

• Rich in Nutrients: Organic fish fertilizers are packed with essential macronutrients (nitrogen, phosphorus, and potassium) as well as micronutrients required for healthy growth.
• Improved Soil Health: These fertilizers contribute to improving soil structure, increases microbial activity, and fosters the growth of beneficial soil organisms.
• Eco-Friendly: Organic fish fertilizers are sourced from sustainable practices, reducing the environmental impact and promoting a healthier ecosystem.
• Fast and Slow Release: These fertilizers provide both immediate and long-term nutrient release, ensuring continuous nourishment for your plants.

Factors to Consider:

1. Ingredients: Take a peek at the packaging to see what lies beneath the surface. Make sure the fertilizer contains real fish or fish by-products to ensure higher nutrient content.
2. N-P-K Ratio: The N-P-K ratio indicates the nitrogen, phosphorus, and potassium content in the fertilizer. Different plants have varying nutrient requirements, so choose a ratio that suits your garden's needs.
3. Application Method: Consider the ease of application. Choose between liquid fish emulsion, fish meal, or fish pellets, depending on your preferences and the plants you're cultivating.
4. Organic Certification: Look for certifications from reputable organizations to ensure the fertilizer meets organic standards.
5. Sustainability: Opt for products that source fish from sustainable fisheries to reduce environmental harm.
6. Odor: Keep an eye (or rather, a nostril) out for any mentions of odor levels. Some fish fertilizers may have a strong smell that may not be ideal for indoor gardening.
7. Price: While cost is a factor, remember that high-quality organic fish fertilizers may require a slightly higher investment upfront but offer better long-term benefits.

Tips for Using Organic Fish Fertilizer:

• Follow Instructions: Read and follow the manufacturer's instructions for optimal application rates and frequency.
• Dilution is Key: If using liquid fish emulsion, dilute it with water as per the instructions to avoid burning or overfertilizing your plants.
• Apply in Moderation: Overapplication can harm your plants, so start with a lower concentration and gradually increase as needed.
• Timing Matters: Apply the fertilizer at the right time, preferably during the growing season or as recommended for your specific plants.
• Avoid Foliage Contact: Ensure you do not spray the leaves or flowers directly, as it may cause burning or leave unsightly residue.
• Store Properly: Keep your fish fertilizer in a cool and dry place to prevent spoiling and maintain its effectiveness.