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National Seaweed Hub

science-based, non-advocate resource for the domestic seaweed aquaculture industry and associated sectors

woman and two men on boat in Long Island Sound with bunches of seaweed on string about to be deployed into water

National Seaweed Nursery Directory

Identifying available sources of seaweed seed for cultivation in the United States. Updated annually, this directory serves as a valuable resource to current and prospective farmers, regulatory authorities, and researchers across the country.

Seaweed Marketing Toolkit artistic painting of seaweed.

Seaweed Marketing Toolkit

Tips and tools for your marketing strategy including social media posts and language that’s ready to go!

bucket of harvested seaweed

Seaweed Parameter Testing Resources Report

Helping seaweed producers better understand seaweed tissue testing, environmental laboratories that conduct such testing, and how to approach these laboratories.

blanched sugar kelp in vibrant green colors

Regulatory Reference Guide on Seaweed Food Safety

A reference guide providing an overview of current federal food safety regulations and where seaweed fits in.

News & Updates

Status of the U.S. Seaweed Aquaculture

State of the States is an overview of the seaweed aquaculture industry in the United States. Initially presented at the 2019 Seaweed Symposium held in Providence, Rhode Island, the report was updated in June 2024.

State of the States
Report cover showing green seaweed under water with the Sea Grant logo and the text Sate of the States: Status of U.S. Seaweed Aquaculture written on it

I found the work group meetings beneficial. It gave us the opportunity to narrow down the needs and then focus on those needs.