Wild-harvested Sargassum plant tonic, handcrafted in North Florida in small batches with certified organic added ingredients.
Shop Plant TonicExplore the Science
Start small, stock the potting bench, or choose the larger size for established gardens and landscapes.
Our Sargassum is gathered by hand from local Florida beaches and transformed through a hands-on, small-batch process.
Locally sourced Sargassum collected by hand.
Prepared, fermented and filtered in small batches.
Finished and bottled by hand.
A peer-reviewed research library with plain-language summaries and transparent limits.
Visit Research LibrarySeaweed-extract biostimulants have shown positive average yield effects across studies, with large variation by formulation and use.
Published studies have investigated fermented Sargassum extracts in plant systems.
These studies did not test Florida Root & Tide unless explicitly stated.
We will publish matched before-and-after examples only when the photos, timing and growing conditions are documented.
Share a Garden UpdateVerified customer feedback will be added after purchase or farmers market use, using the customer’s original wording.
Read Product FAQ