Seaweed Fertilizers Market - Global Industry Size, Share, Trends, Opportunity, and Forecast, Segmented By Form (Liquid and Powder), By Application (Farm, Garden, Others), By Region and Competition, 2020-2030F

Market Overview

The Global Seaweed Fertilizers Market, valued at USD 20.88 Million in 2024, is projected to experience a CAGR of 6.47% to reach USD 30.42 Million by 2030. Seaweed fertilizers are biostimulants derived from marine macroalgae, applied to crops to enhance growth, nutrient uptake, and stress tolerance. Key market growth drivers include the increasing global demand for organic produce and sustainable agricultural practices, coupled with proven benefits of seaweed extracts in improving plant health and soil fertility. Farmers are increasingly adopting these natural solutions to mitigate environmental impacts associated with synthetic fertilizers. According to the Food and Agriculture Organization (FAO), in 2023, the global export volume of seaweed products, which encompasses agricultural biostimulants, reached approximately 819,100 tonnes, valued at around USD 3.21 billion.

A significant challenge impeding market expansion involves ensuring the consistent quality and efficacy of diverse seaweed-derived products, particularly given variations in species, harvesting methods, and processing techniques. This variability can affect product performance and farmer adoption rates.

Key Market Drivers

The increasing adoption of organic farming practices serves as a primary driver for the global seaweed fertilizers market. Farmers are progressively embracing organic methodologies to enhance soil fertility, reduce reliance on synthetic chemicals, and meet evolving agricultural standards. This transition directly stimulates demand for natural biostimulants, such as seaweed fertilizers, which align with organic certification requirements and promote sustainable cultivation. According to the World of Organic Agriculture 2025 report, published by FiBL and IFOAM Organics International, in February 2025, organic farmland worldwide expanded by 2.6 percent in 2023, adding 2.5 million hectares and bringing the total global organic agricultural area to almost 99 million hectares. This consistent expansion underscores a significant market opportunity for organic-approved inputs.

Concurrently, growing consumer demand for chemical-free food products significantly influences agricultural supply chains, compelling growers towards natural alternatives. Consumers prioritize health and environmental safety, favoring produce cultivated without synthetic pesticides or artificial fertilizers. This preference drives market dynamics, encouraging farmers to integrate natural soil enhancers and crop fortifiers, thereby increasing seaweed fertilizer application. According to the USDA Foreign Agricultural Service, in February 2024, citing the U. S. Organic Trade Association (OTA), organic food sales in the United States in 2022 reached $60 billion, demonstrating substantial consumer dedication. This synergistic effect of farming practice evolution and strong consumer preference is crucial for the overall market. According to "Opinion: developments in the commercialisation of seaweed extract biostimulants" published in the Journal of Applied Phycology, in September 2024, the seaweed biostimulants market was worth an estimated US$1 billion in 2023.

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Key Market Challenges

A significant challenge impeding the market expansion of global seaweed fertilizers is ensuring the consistent quality and efficacy of diverse seaweed-derived products. This variability arises from differences in seaweed species, harvesting methods, and processing techniques, which directly lead to unpredictable product performance in agricultural applications. Such inconsistency erodes farmer confidence and consequently hampers adoption rates. When agricultural producers encounter unreliable results, their inclination to integrate these natural solutions into their farming practices diminishes, thereby slowing market penetration.

The absence of standardized quality benchmarks means farmers face elevated risks, making it difficult to reliably assess the return on investment when compared to more predictable synthetic alternatives. This scenario constrains the overall growth trajectory of the sector. For instance, according to the European Biostimulants Industry Council (EBIC), the global biostimulants market, encompassing seaweed fertilizers, was valued at approximately USD 3.2 billion in 2023. The inability to guarantee uniform product outcomes thus directly impedes broader uptake and scalability, despite growing demand for sustainable agricultural inputs.

Key Market Trends

The global seaweed fertilizers market is witnessing significant shifts, with two prominent trends shaping its trajectory: the increasing dominance of liquid formulations and the growing focus on seaweed fertilizers for climate resilience and carbon sequestration. These trends highlight the industry's evolution towards more efficient application methods and environmentally beneficial agricultural solutions.

The increasing dominance of liquid formulations represents a key trend driving the seaweed fertilizers market. Liquid seaweed products offer enhanced convenience, precise dosing, and superior nutrient absorption for plants compared to their dry counterparts. This form allows for seamless integration into modern irrigation and foliar spray systems, optimizing application efficiency and ensuring uniform distribution across crops. According to the European Biostimulants Industry Council (EBIC)'s Manifesto for Biostimulants 2024, the global biostimulants market is projected to reach over USD 9.0 billion by 2030, a substantial increase from USD 3.2 billion in 2023, reflecting the broader market's expansion where liquid formulations play a critical role. For instance, according to Algaeplanet. com, in May 2024, the UK Agri-Tech Centre initiated a 24-month project to optimize the low-energy extraction of kelp for producing consistent, high-quality liquid biostimulants, indicating ongoing investment in liquid product development.

Another significant trend is the growing emphasis on seaweed fertilizers for climate resilience and carbon sequestration. As agricultural systems globally confront climate change challenges, seaweed-derived products are increasingly recognized for their ability to enhance plant tolerance to abiotic stresses, improve soil health, and contribute to atmospheric carbon removal. These fertilizers bolster crops against adverse conditions such as drought and extreme temperatures while promoting the accumulation of organic matter in the soil, which acts as a carbon sink. Acadian Plant Health, for example, highlighted in their news in October 2024 that their partnership with BASF aimed to introduce climate-resilient solutions, demonstrating how seaweed-based biostimulants improve plant tolerance to stressful growing conditions, including heat and drought. The United Nations Global Compact, an initiative focused on sustainable development, emphasizes that seaweed is an untapped resource with considerable potential to address climate goals by absorbing atmospheric carbon.

Segmental Insights

The Farm segment is experiencing rapid growth in the Global Seaweed Fertilizers Market due to the increasing worldwide adoption of organic and sustainable farming practices. Farmers are increasingly utilizing seaweed fertilizers to enhance soil fertility, improve crop growth, and boost agricultural sustainability. These fertilizers provide a rich array of essential nutrients, including nitrogen, phosphorus, and potassium, along with vital trace minerals. Furthermore, seaweed-derived biostimulants improve stress tolerance in crops against adverse weather conditions like drought and extreme temperatures, thereby ensuring stable yields and enhancing product quality. This aligns with growing consumer demand for chemical-free, nutrient-rich produce and regulatory support for environmentally friendly agricultural inputs from bodies like the U. S. Department of Agriculture (USDA).

Regional Insights

North America holds a leading position in the global seaweed fertilizers market, primarily attributed to its significant advancements in sustainable agriculture. The region's dominance stems from stringent regulations that actively promote organic farming practices, coupled with robust government initiatives and subsidies supporting environmentally friendly agricultural methods. Additionally, a pronounced consumer preference for organic, chemical-free, and sustainably produced food drives substantial demand for natural fertilizer alternatives. This strong market foundation is further bolstered by well-established organic farming sectors and sophisticated crop management techniques across countries like the United States and Canada, aided by programs such as the USDA Organic Certification Cost Share Program.

Recent Developments

• In May 2025, Acadian Plant Health, a Canada-based company, disseminated new field trial data that showcased the effectiveness of its seaweed-derived biostimulants in enhancing crop quality and yields. Trials conducted across Mexico and Brazil demonstrated positive outcomes for several crops, including potatoes and coffee. Notably, Mexican potato trials revealed a 60% increase in premium-grade potatoes. Concurrently, Brazilian coffee producers reported productivity gains ranging from 29% to 65%, alongside improved beverage quality scores. These findings underscore the capacity of seaweed-based solutions to address contemporary agricultural challenges and assist farmers in achieving both increased yields and superior produce quality.

• In January 2025, CH4 Global inaugurated the world's first commercial-scale Asparagopsis seaweed production facility, EcoPark, situated in South Australia. This advanced facility is engineered to provide methane-reducing feed supplements for approximately 45,000 cattle daily. The company developed innovative technology to cultivate this particular genus of seaweed affordably and at scale. While primarily focused on reducing livestock methane emissions, this significant development in large-scale seaweed cultivation and processing contributes to the broader agricultural sector's use of seaweed-derived inputs, advancing sustainable farming practices and offering environmental benefits within the global seaweed fertilizers market.

• In November 2024, Cascadia Seaweed, a North American cultivator and processor of seaweed-derived agricultural products, successfully closed the first phase of its Series A funding round, securing CAD$4 million. This investment, supported by entities including WWF Impact and Vere Ventures, is earmarked for the construction of a commercial-scale seaweed biorefinery on the West Coast. The funding will also enable increased biomass production and expanded sales and marketing efforts for its liquid kelp extracts, biostimulants, and livestock products. This strategic capital infusion reinforces the company’s commitment to providing regenerative solutions for farmers aiming to boost crop yields and minimize agricultural emissions.

• In April 2024, Red Diamond Compost, an organic fertilizer company, launched a new product called Supreme Sea. This soil additive is derived from sargassum, a type of brown macroalgae collected from Caribbean beaches. Supreme Sea incorporates growth-stimulating plant hormones and microorganisms extracted from the sargassum, along with composted leftovers, creating a humus-rich and crop-safe product. The initiative aims to utilize the abundant sargassum while positively contributing to agricultural practices. Field trials conducted by the company on sports turfs indicated that combining Supreme Sea with reduced quantities of synthetic fertilizers produced superior turf color compared to synthetic fertilizers alone, suggesting improved nutrient uptake efficiency.

Key Market Players

• Fox Farm Soil & Fertilizer Co.
• Grow More Inc.
• Maxi crop (UK) Limited
• KELP PRODUCTS (PTY) LTD
• Technaflora Plant Products Ltd.
• Dongyang Lianfeng Biological Technology Co., Ltd.
• Omex Agricultural Holdings Limited
• OrganicOcean Inc.
• SeaNutri LLC

Report Scope:

In this report, the Global Seaweed Fertilizers Market has been segmented into the following categories, in addition to the industry trends which have also been detailed below:

• Seaweed Fertilizers Market, By Form:

o   Liquid

o   Powder

• Seaweed Fertilizers Market, By Application:

o   Farm

o   Garden

o   Others

• Seaweed Fertilizers Market, By Region:

o   North America

§  United States

§  Canada

§  Mexico

o   Europe

§  France

§  United Kingdom

§  Italy

§  Germany

§  Spain

o   Asia Pacific

§  China

§  India

§  Japan

§  Australia

§  South Korea

o   South America

§  Brazil

§  Argentina

§  Colombia

o   Middle East & Africa

§  South Africa

§  Saudi Arabia

§  UAE

Competitive Landscape

Company Profiles: Detailed analysis of the major companies presents in the Global Seaweed Fertilizers Market.

Available Customizations:

Global Seaweed Fertilizers Market report with the given market data, TechSci Research offers customizations according to a company's specific needs. The following customization options are available for the report:

Company Information

• Detailed analysis and profiling of additional market players (up to five).

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