The seaside fertilizer industry is expected to increase significantly, potentially amounting to 3.6 billion dollars by the year 2034, with a steadily increasing annual growth rate of 7.7%.
In the ever-evolving world of agriculture, a new player is making waves—seaweed fertilizers. These innovative products, derived from brown seaweeds, have been gaining traction due to their unique properties and environmental benefits.
Last December, ICL Growing Solutions made headlines with its acquisition of GreenBest, a UK-based company specialising in customised fertilizers for turf, landscaping, and horticulture. This move signalled the growing interest in seaweed-based solutions in the agricultural sector.
Seaweed fertilizers offer a host of advantages. They improve soil structure and water retention by adding natural compounds like alginates and humic acids. These compounds not only boost plant growth but also promote stronger root growth and better nutrient uptake, leading to healthier plants and higher productivity.
The strong share of alginate aligns with the shift towards sustainable and precision agriculture, where efficiency and yield improvement are key. Alginate is valued for its water-retention ability, soil-conditioning effects, and role in boosting plant growth.
In 2024, the market for seaweed fertilizers was worth USD 1.7 billion, with North America leading the charge. The region accounted for 43.8% of the market, worth USD 0.7 billion. This dominance reflects rising demand for organic farming and consumer preference for chemical-free, sustainably grown produce.
Fruits and vegetables accounted for 37.9% of the market in 2024. These crops benefit from seaweed fertilizers that supply bioactive compounds, plant hormones, and trace minerals, supporting soil health and stress resistance. The versatility of liquid seaweed fertilizers across various crops strengthens their adoption.
Liquid seaweed fertilizers, preferred for their ease of use, quick absorption, and strong compatibility with modern methods, led the market in 2024, holding 67.4% share. Foliar application, which dominated the market with 49.7%, is another popular method due to its efficiency and minimal waste.
The market is expected to grow at a CAGR of 7.7% from 2025 to 2034, with the Global Seaweed Fertilizers Market projected to reach USD 3.6 billion by 2034. Companies like OceanHarvest Tech, SeaGrow Agro, and BlueMar Fertilizers have invested in improving production or founding new enterprises focused on seaweed-based fertilizers in 2024 and 2025.
One notable development in 2025 was Koppert transferring the management of its biostimulant and fertilizer portfolio to REKA Group B.V. This strategic move is expected to further accelerate the growth of the seaweed fertilizer market.
In conclusion, seaweed fertilizers are poised to play a significant role in the future of agriculture. Their ability to improve crop yield and quality, reduce the need for synthetic fertilizers, and promote sustainable practices make them an attractive solution for farmers and consumers alike. As the demand for organic and sustainably grown produce continues to rise, it is likely that the market for seaweed fertilizers will continue to thrive.
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