15 Amazing Guano 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 for all gardening enthusiasts and eco-conscious individuals: "15 Amazing Guano Fertilizer for 2023". As we step into the future, the importance of sustainable and organic solutions becomes increasingly apparent, especially in the realm of fertilizers. In this comprehensive guide, we have carefully selected and reviewed fifteen exceptional guano fertilizers that will revolutionize your gardening experience. From providing crucial nutrients to promoting robust plant growth, guano fertilizers offer a natural and eco-friendly alternative to synthetic options. Join us on this journey as we uncover the top guano fertilizers to elevate your gardening game in 2023.

Down to Earth Bat Guano Fertilizer Mix 7-3-1, 4oz

Check Latest Price

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

Overall Score: 8.5/10/10

Down to Earth Organic Bat Guano Fertilizer Mix 7-3-1 is a natural fertilizer that provides essential plant nutrition for vigorous growth and development. With its 7-3-1 formula and rich nitrogen, phosphorus, and micronutrients, this fertilizer is highly effective and fast-acting. It is suitable for use in organic production and is listed by the Organic Materials Review Institute (OMRI). Whether mixed into potting mediums, used as a side dress, or steeped to make guano tea or foliar spray, this fertilizer works wonders. It is a popular choice for booster applications throughout the growing season and is known as an undisputed champion among natural fertilizers.

Down to Earth Organic Bat Guano Fertilizer Mix 7-3-1 is a reliable and highly effective natural fertilizer. Its versatility, fast-acting nature, and suitability for organic production make it a popular choice among gardeners. The 7-3-1 formula provides essential nutrients for vigorous growth and early fruit and flower development. While the small size of the package might be misleading, a little goes a long way with this potent fertilizer. Overall, it’s a great option for those looking for a natural and reliable fertilizer to boost their plants’ health and vitality.

Roots Organics HP2 Liquid Guano Booster

Check Latest Price

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

Overall Score: 9/10

The Roots Organics HP2 Liquid Guano Booster is a natural source of phosphorus, perfect for enhancing flowering and fruiting in plants. This formula, created by Aurora Innovations, combines generations of gardening experience into an easy-to-use product suitable for both hobbyists and professionals. The liquid seabird guano is minimally processed to retain all the benefits and synergistic qualities found in seabird guano and biogenic phosphate rock. Derived from 100% natural seabird guano and biogenic phosphate rock, this booster contains a 0-4-0 NPK ratio with 4% calcium. It comes in a quart size and has dimensions of 3.30Lx3.10Wx8.40H.

The Roots Organics HP2 Liquid Guano Booster is a highly effective and natural phosphorus source for enhancing flowering and fruiting in plants. With its minimal processing, it retains all the beneficial properties of seabird guano and biogenic phosphate rock. The easy-to-use formula is suitable for both hobbyist and professional gardeners, offering reliable results. The addition of some calcium provides additional benefits for plant growth. While some buyers need to be cautious about purchasing from certain sellers, this booster remains an excellent choice for those who prefer organic and natural fertilizers. Add this product during the flowering stage and watch your plants thrive!

Down to Earth Organic Insect Frass Fertilizer

Check Latest Price

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

Overall Score: 9/10

Down to Earth Organic Insect Frass Fertilizer Mix is a high-quality and natural fertilizer that is derived from sustainable insect farming. This two-pound box of fertilizer has a 3-1-1 formula, making it suitable for all types of plants. It is listed by the Organic Materials Review Institute (OMRI) for use in organic production, ensuring its reliability and compliance with organic farming standards. The fertilizer is produced from the larvae manure and exoskeletons of black soldier flies, which are raised on pre-consumer food waste. This creates a renewable source of protein for animals and beneficial nutrients for plants. With its many positive traits, it is an excellent choice for organic soil amendment.

Overall, Down to Earth Organic Insect Frass Fertilizer Mix is a reliable and effective organic fertilizer for all types of plants. With its sustainable production methods and compliance with organic farming standards, it provides peace of mind to environmentally-conscious gardeners. While there have been some reports of receiving subpar products from third-party sellers, purchasing directly from the Down to Earth store ensures the quality and authenticity of the product. The fertilizer delivers great value for the price and has received positive reviews from satisfied customers. If you’re looking for an organic fertilizer that is both effective and sustainable, Down to Earth Organic Insect Frass Fertilizer Mix is definitely worth considering.

FoxFarm Liquid Nutrient Trio Soil Formula: Big Bloom, Grow Big, Tiger Bloom

Check Latest Price

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

Overall Score: 9/10

Get your garden going with the FoxFarm Liquid Nutrient Trio Soil Formula. This pack of three 16 oz bottles includes FoxFarm Big Bloom, Grow Big, and Tiger Bloom. These liquid concentrate fertilizers are designed to work together to support vigorous growth, multiple bud development, and abundant fruit. With the Twin Canaries Conversion Chart included, you can easily determine the appropriate amounts to use. Whether you're a beginner or an experienced gardener, this nutrient trio is perfect for all plants and can be used every time you water. It is OMRI Listed and Registered CDFA Organic Input Material. Give your plants the nourishment they need with FoxFarm Liquid Nutrient Trio Soil Formula!

The FoxFarm Liquid Nutrient Trio Soil Formula is a top choice for gardeners looking to provide their plants with the essential nutrients they need. With three different formulas designed to work together, this nutrient trio supports vigorous growth, multiple bud development, and abundant fruit. Whether you’re a seasoned gardener or just starting out, this product is easy to use and provides great results. The included Twin Canaries Conversion Chart ensures that you can easily measure out the right amounts for your plants. While it may be more costly compared to other options, the quality and effectiveness of the FoxFarm Liquid Nutrient Trio make it worth the investment. Give your garden the boost it needs with this nutrient trio!

Concentrated Organic Liquid Kelp & Seaweed Extract – Quart Size

Check Latest Price

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

Overall Score: 9.3/10

The Organic Liquid Kelp Fertilizer is a fully organic seaweed and kelp blend that aids in every stage of plant growth. With a unique processing technique, this fertilizer provides all the benefits of natural kelp enzymes and hormones without the fibrous pulp found in other kelp products. It is simple and safe to use for all plants and can be added to every watering. This kelp fertilizer is formulated and made in the USA and is designed by botanists and plant chemists. It comes in a quart-sized bottle, which makes 180 gallons of fertilizer.

Overall, the Organic Liquid Kelp Fertilizer is an excellent choice for any plant enthusiast. It provides the benefits of natural enzymes and hormones without the non-nutritious fibrous pulp found in other kelp products. With its simple and safe application, this fertilizer is suitable for all plants and lawns. It is formulated and made in the USA using high-quality ingredients and manufacturing methods. While there may be some drawbacks, such as incorrect dosage instructions and a recent price increase, the positive effects on plant growth and health make it a clear winner. Give your plants the boost they need with this organic liquid kelp fertilizer.

Down to Earth Organic Bat Guano Fertilizer Mix 7-3-1, 2 lb

Check Latest Price

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

Overall Score: 9/10

The Down to Earth Organic Bat Guano Fertilizer Mix 7-3-1 is a powerful fertilizer suitable for organic production. This fertilizer is rich in nitrogen, phosphorus, and micronutrients, providing essential plant nutrition for vigorous growth and early fruit and flower development. With its fast-acting and efficient formula, it can be mixed into potting mediums, applied as a side dress, or steeped to make a potent guano tea or foliar spray. This fertilizer is ideal for both early and mid-season booster applications. Its organic certification and high-quality blend make it the undisputed champion of all-natural fertilizers.

The Down to Earth Organic Bat Guano Fertilizer Mix 7-3-1 is a highly recommended organic fertilizer for plant enthusiasts. With its OMRI listing, it ensures organic production while providing essential plant nutrition for growth and development. The fast-acting and efficient formula allows for easy application, whether mixed into potting mediums or used as a foliar spray. Although it may not mix well in some cases, its overall effectiveness and positive customer reviews make it a top choice for gardeners. Boost your plants’ growth and witness impressive results with this potent bat guano fertilizer.

Seabird Guano Fertilizer Mix

Check Latest Price

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

Overall Score: 9.3/10

The Down to Earth All Natural Seabird Guano Fertilizer Mix is a five pound box of all-natural fertilizer with a 0-11-0 formula. It is listed by the Organic Materials Review Institute (OMRI) for use in organic production. This fertilizer can be mixed into the soil or applied as a liquid to significantly increase both the amount and size of blooms for indoor and outdoor plants. It is ideal for strawberries, melons, vegetables, and all types of flowers. The phosphorous content in this fertilizer promotes root and bloom development, resulting in high-quality fruit and flowers. With strong root development, plants can absorb more water and nutrients from the soil, leading to faster growth and healthier plants. The Down to Earth All Natural Seabird Guano Fertilizer Mix is a reliable choice for improving plant yields, quality, and flavor.

The Down to Earth All Natural Seabird Guano Fertilizer Mix is a highly recommended product for those looking to enhance the growth and bloom of their plants. With its all-natural composition and high phosphorous content, it promotes root and bloom development, resulting in improved yields, flavor, and quality. While some users experienced difficulties dissolving the fertilizer, the overall feedback has been positive. It is important to follow the instructions carefully for best results. Whether you’re a seasoned gardener or a beginner, this fertilizer can greatly benefit your plants and contribute to a thriving garden. Give your plants the nourishment they need with the Down to Earth Seabird Guano Fertilizer Mix!

GreenGro Seabird Guano Organic Plant Fertilizer

Check Latest Price

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

Overall Score: 9/10

Unlock your plants' maximum growth potential with the GreenGro Peruvian Seabird Guano. This organic plant fertilizer is sourced from Peruvian seabird guano, providing high concentrations of nitrogen and phosphorus, along with other minerals, to promote strong and fast growth. It improves roots and soil quality, making it ideal for all growth stages and various types of indoor, outdoor, and hydroponic plants. The all-natural ingredients ensure that your plants receive the nutrients they need without any harmful chemicals. The high yields and incredible results can be achieved with only a small amount of this fertilizer. Give your plants a boost and enhance their development with the GreenGro Peruvian Seabird Guano.

The GreenGro Peruvian Seabird Guano is a highly effective organic plant fertilizer that can enhance the growth and development of your indoor and outdoor plants. With its high concentration of nutrients sourced from seabird guano, it promotes strong and fast growth while improving roots and soil quality. While it may not work for all plants and has a strong odor, the incredible results and high yields make it a worthwhile product to try. Whether you have a hydroponic garden, soil mix, or compost tea, this multipurpose fertilizer is an excellent choice for unlocking your plants’ maximum growth potential and ensuring they receive all the necessary nutrients for healthy development.

Monterey Fish & Guano Fertilizer – Versatile Plant Nutrition

Check Latest Price

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

Overall Score: 8.5/10

The Monterey LG7268 Fish & Guano Fertilizer is a gallon-sized product that can be used as a transplant drench or plant starter. It can also be used as a foliar spray or a drench to promote big beautiful growth and blooms. This fertilizer is a blend of fish-based nutrients with guano, which forms a synergistic matrix that develops a cohesive partnership for vigorous plant growth. With dimensions of 7.25Lx4.50Wx11.50H, this fertilizer offers convenience and effectiveness in one package. Customers have rated it 4.7 out of 5 stars, with reviews mentioning its wonders for marijuana plants.

The Monterey LG7268 Fish & Guano Fertilizer offers a convenient and effective solution to promote healthy plant growth. With its versatile use and synergistic blend of fish-based nutrients and guano, it has received positive reviews from customers. Whether you need it for transplanting, starting new plants, or enhancing growth and blooms, this fertilizer delivers wonders. Its gallon-sized packaging ensures you have enough product to nourish your plants without frequent reordering. Overall, this fertilizer is highly recommended for any gardening enthusiast looking to achieve big, beautiful plants and blooms.

Roots Organics Nitro Bat Guano

Check Latest Price

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

Overall Score: 8.5/10

Roots Organics Nitro Bat Guano is a 100% natural and approved organic input material that provides an excellent source of nitrogen, phosphate, and calcium. This carefully processed and sifted guano is easy to work with and encourages vigorous growth, delivering quick results. With a formula of 9-3-1 NPK and 2% calcium, it is a versatile fertilizer suitable for various gardening needs. The 9-pound bag ensures you have an ample supply to support your plants' nutritional requirements. Highly praised for its potency and ability to enhance plant growth, this bat guano is a favorite among organic gardeners.

Roots Organics Nitro Bat Guano is a highly effective and versatile fertilizer that delivers excellent results. Its 100% natural formula and approval as an organic input material make it an ideal choice for environmentally conscious gardeners. The fast-acting nature of this guano ensures quick growth and enhanced plant vitality. While some users found the lack of odor confusing, the high potency of this product satisfied many customers. With positive reviews praising its solubility, absence of shells, and suitability for various outdoor applications, this bat guano proves to be a reliable choice for all your gardening needs.

Organic Bat Guano Fertilizer Mix

Check Latest Price

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

Overall Score: 9/10

Down to Earth Organic Bat Guano Fertilizer Mix 7-3-1 is a top-rated fertilizer that provides essential plant nutrition for vigorous growth and early fruit and flower development. This fertilizer is listed by the Organic Materials Review Institute (OMRI) for use in organic production, ensuring its quality and sustainability. With its fast-acting and efficient formula, it can be mixed into potting mediums, applied as a side dress, or steeped to make a potent guano tea or foliar spray. The nitrogen content is highly water-soluble, making it easily accessible to plants. This all-natural fertilizer is a great choice for both early and mid-season booster applications.

Down to Earth Organic Bat Guano Fertilizer Mix 7-3-1 is a highly recommended all-natural fertilizer for organic growers. Its OMRI certification ensures its quality, making it a reliable choice for those looking to nourish their plants without harmful chemicals. The high nitrogen content that is readily available to plants promotes vigorous growth and early development. Its versatility in application methods allows for easy integration into various gardening practices. With its fast-acting formula, it is a fantastic option for boosting plant health and productivity. For organic gardening enthusiasts, look no further than this champion among all-natural fertilizers.

Roots Organics Aurora Innovations ROHPQ HP2 Liquid Bat Guano Fertilizer, 1-Qt. – Quantity 12

Check Latest Price

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

Overall Score: 8/10

The Roots Organics Aurora Innovations ROHPQ HP2 Liquid Bat Guano Fertilizer is a high-quality fertilizer that promotes healthy plant growth. With a quantity of 12, you'll have enough to support your garden for a long time. The liquid form allows for easy application, ensuring your plants receive the necessary nutrients. Made from bat guano, this fertilizer is rich in nutrients and natural organic matter. It enhances root development, improves soil structure, and increases plant vigor. The Roots Organics Aurora Innovations ROHPQ HP2 Liquid Bat Guano Fertilizer is an excellent choice for any garden enthusiast.

The Roots Organics Aurora Innovations ROHPQ HP2 Liquid Bat Guano Fertilizer is a reliable and effective solution for gardeners looking to enhance plant growth. Its liquid form makes it easy to apply, and the high-quality bat guano supplies essential nutrients to your plants. With a quantity of 12, you’ll have enough to support your garden for a long time. The fertilizer promotes healthy root development, improves soil structure, and increases plant vigor. Overall, this is a fantastic choice for anyone seeking an organic and natural fertilizer to enhance their gardening efforts.

Down To Earth All Natural Seabird Guano Fertilizer Mix 0-11-0, 40 lb

Check Latest Price

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

Overall Score: 8/10

Boost the growth of your plants with Down To Earth All Natural Seabird Guano Fertilizer Mix. This 0-11-0 formula contains high levels of phosphorus to promote root development and flowering. Made from premium-quality seabird guano, this fertilizer is all-natural and rich in essential nutrients. It boosts the overall health and vitality of your plants, ensuring flourishing blooms and bountiful harvests. With a 40 lb bag, you'll have plenty of fertilizer to nourish your garden. The Down To Earth Seabird Guano Fertilizer Mix is easy to use and suitable for organic gardening. Give your plants the natural boost they need with this fantastic fertilizer!

Overall, the Down To Earth All Natural Seabird Guano Fertilizer Mix is a fantastic option for gardeners looking to boost the growth and vitality of their plants. With its high phosphorus content, this fertilizer promotes healthy root development and abundant flowering. It is made from premium-quality seabird guano, ensuring a rich and natural source of nutrients for your garden. While the strong smell of guano may be off-putting to some, the benefits of this fertilizer far outweigh this minor inconvenience. With a large 40 lb bag, you’ll have plenty of fertilizer to nourish your plants throughout the growing season. Give your garden the natural boost it deserves with Down To Earth’s Seabird Guano Fertilizer Mix!

The Devil's Element: Phosphorus

Check Latest Price

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

Overall Score: 9.1/10

The Devil's Element: Phosphorus and a World Out of Balance is an enlightening book that sheds light on the important but often overlooked issue of phosphorus run-off and its impact on our environment. Written by Dan Egan, this book provides a comprehensive understanding of the overuse and scarcity of phosphates, a critical environmental problem. With historical context and scientific insights, Egan explores the alarming rate at which phosphorus is depleted and the devastating consequences it has on water ecosystems. The book serves as a wake-up call to the urgent need for action and offers potential solutions to address this growing crisis. Highly recommended for those interested in environmental issues and the future of our planet.

The Devil’s Element: Phosphorus and a World Out of Balance is a thought-provoking and informative book that highlights a critical environmental issue. Dan Egan’s writing style is engaging and accessible, making complex scientific concepts easily understandable for readers. The book successfully raises awareness about the overuse and scarcity of phosphates, emphasizing the pressing need to take action to protect our water resources. While it presents a grim picture of the current state of affairs, it also offers hope for a better future through the exploration of potential solutions. Overall, this book is a wake-up call and a call to action for everyone to be more mindful of our impact on the environment. Highly recommended for those interested in environmental science and conservation.

The Tropical Pacific and its Islands: A Captivating Exploration

Check Latest Price

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

Overall Score: 8.5/10

Explore the captivating world of the tropical Pacific and its islands with this informative book. Discover the breathtaking landscapes, unique wildlife, and fascinating history of this remarkable region. Whether you are a geography enthusiast, a nature lover, or a history buff, this book will quench your thirst for knowledge. Dive into the rich cultural heritage of the Pacific Islands, delve into the depths of the magnificent coral reefs, and uncover the secrets of volcanic activity that shaped this paradise on Earth. With vivid illustrations and engaging narratives, this book is a must-read for anyone interested in the wonders of the tropical Pacific.

The Geography, Nature and History of the Tropical Pacific and its Islands offers a captivating journey through one of the most enchanting regions on our planet. The book provides a comprehensive overview of the geography, nature, and history of the tropical Pacific, making it an excellent resource for both enthusiasts and those seeking to expand their knowledge. The stunning illustrations and engaging narratives transport readers to the mesmerizing landscapes and diverse culture of the Pacific Islands. While the lack of detailed specifications is a minor drawback, the wealth of information and the overall presentation of the book make it a worthwhile addition to any geography or nature lover’s collection.

Buyer's Guide: Guano Fertilizer

Why settle for an ordinary garden when you can transform it into a lush paradise with the help of guano fertilizer? Derived from the excrement of seabirds and bats, this organic fertilizer is packed with essential nutrients that can supercharge the growth of your plants. But with so many options available, choosing the right guano fertilizer can be overwhelming. Fret not! We have compiled the ultimate buyer's guide to help you navigate this fascinating world of fertilizers and unlock the secrets of successful gardening. So, let's dive right in!

Benefits of Guano Fertilizer

1. Exceptional Nutrient Content: Guano fertilizer is renowned for its high levels of nitrogen, phosphorus, and potassium – the holy trinity of plant growth. This nutrient-rich blend promotes robust foliage, strong root development, and abundant flowering.
2. Slow-release Action: Unlike synthetic fertilizers, guano releases nutrients gradually, ensuring a prolonged and steady supply of nourishment to your plants. These slow-release properties help prevent nutrient burn while promoting sustainable growth.
3. Enhanced Soil Structure: In addition to its impressive nutrient content, guano also improves soil structure by enhancing its water-holding capacity and texture. The result? Better aeration, drainage, and overall root health.
4. Eco-friendly and Sustainable: Derived from natural sources, guano fertilizer is completely biodegradable and environmentally friendly. By choosing guano, you are not only supporting sustainable gardening practices but also minimizing your ecological footprint.

Factors to Consider when Choosing Guano Fertilizer

1. Type of Guano: Guano fertilizer comes in two primary types: seabird guano and bat guano. Seabird guano is generally richer in nitrogen and phosphorus, making it ideal for promoting vigorous growth. Bat guano, on the other hand, tends to have higher potassium content, making it an excellent choice for enhancing flowering and fruiting.
2. NPK Ratio: The NPK ratio indicates the relative concentration of nitrogen (N), phosphorus (P), and potassium (K) in the fertilizer. Consider the specific needs of your plants and choose a guano fertilizer with an NPK ratio that aligns with those requirements.
3. Certification: Look for guano fertilizers that are certified organic. This ensures that the product has met stringent standards and is free from harmful chemicals or synthetic additives.
4. Application Method: Consider the ease of application that suits your gardening style. Choose between pelleted, powdered, or liquid forms of guano fertilizer depending on your preferences and the needs of your plants.
5. Brand Reputation: Research different brands and read reviews from fellow gardeners to gauge the reputation and effectiveness of the guano fertilizer you are considering. A trusted brand will often provide reliable and high-quality products.

Tips for Using Guano Fertilizer

• Follow the instructions: Read the manufacturer's guidelines carefully to determine the right amount of guano fertilizer to use for your plants. Overuse can harm the plants, while underuse may not provide desired results.
• Pre-application Soil Testing: Conducting a soil test can help determine the nutrient deficiencies or imbalances. This knowledge will guide you on the amount and frequency of guano fertilizer application, ensuring optimal results.
• Seasonal Application: Adjust the application of guano fertilizer according to the specific needs of your plants during different seasons. For example, during the growing season, you may apply it more frequently to boost plant vitality.
• Consider Companion Planting: Guano fertilizer can benefit the entire garden when used strategically. Combine it with companion plants, which support one another's growth, to create a thriving and harmonious ecosystem.
• Store Properly: Always store guano fertilizer in a cool, dry place, away from direct sunlight. This will preserve its nutrient content and extend its shelf life, ensuring you can enjoy the benefits for longer.