Acadian Plant Health™ and Koppert USA Announce Strategic Transition in the U.S. Biostimulant Market

After many years of a successful partnership in both Brazil and the United States, Acadian Plant Health™ and Koppert USA have jointly agreed to transition to independent commercial strategies in the United States. The next phase will allow each company to further invest in its own brands, product portfolios, and market development initiatives while continuing to support customers with innovative biostimulant solutions.

For the U.S. market, effective September 1st, 2026:

- Acadian® and Acadian Organic® products will be marketed and distributed by Acadian Plant Health™.

- Acadian is a premium conventional Ascophyllum nodosum biostimulant designed to maximize performance in specialty crops.

- Acadian Organic is a premium organic Ascophyllum nodosum biostimulant designed to maximize performance in specialty crops.

- Koppert USA will exclusively offer NodoKare® and PhylloKare®.

- NodoKare is a premium conventional Ascophyllum nodosum biostimulant designed to maximize performance in row crop production systems.

- PhylloKare is an organic Ascophyllum nodosum formulation developed for both conventional and organic greenhouse production.

This transition reflects the growth of the biologicals sector and positions both companies to better serve customers. By focusing on their respective brands and product portfolios, both companies are strengthening their commitment to innovation, customer success, and the continued expansion of the biostimulant market in the United States.

Customers can expect uninterrupted product availability and continued technical and commercial support during this transition.

Both companies look forward to continuing to advance innovation and supporting growers as the biostimulant market continues to evolve.

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About Acadian Plant Health

Acadian Plant Health is a division of Acadian Seaplants Limited™ – the largest independent marine plant harvesting, cultivation, and extraction company in the world. Acadian is an international leader in sustainable, science-based biological solutions for specialty and broadacre crops. The company is committed to launching patented innovative technology with a focus on sustainability and regenerative agriculture. Acadian Plant Health products are used in over 100 crops in more than 80 countries worldwide.

Media Contact:

Shannon Wentz
Global Director, Communications