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Discovered, isolated, and carefully selected by Brasserie Dalons, Yellow Flower is a unique native yeast originating from Reunion Island a breathtaking tropical haven in the Indian Ocean near Madagascar. This exceptional yeast takes its name from the Fleur Jaune des Hauts (Hypericum lanceolatum), a rare plant native to the island’s high-altitude regions.
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Yellow Flower embodies the rich biodiversity of Reunion Island, delivering an innovative and one of a kind brewing experience.
Renowned for its extraordinary biotransformation abilities, this yeast transforms hop compounds into vibrant, layered aromas that brim with tropical fruit, exotic spice, and subtle floral hints. It adds incredible depth and creativity to brewing, making it a must have for brewers who aspire to break new ground and embrace the wonders of nature.
Learn more about Dalons and this rare strain of Saccharomyces cerevisiae here - Fleur Jaune

Yellow Flower embodies the rich biodiversity of Reunion Island, delivering an innovative and one of a kind brewing experience.
Renowned for its extraordinary biotransformation abilities, this yeast transforms hop compounds into vibrant, layered aromas that brim with tropical fruit, exotic spice, and subtle floral hints. It adds incredible depth and creativity to brewing, making it a must have for brewers who aspire to break new ground and embrace the wonders of nature.
Learn more about Dalons and this rare strain of Saccharomyces cerevisiae here - Fleur Jaune
An incredible milestone!
Huge thanks to the WHC Lab team for turning a small discovery made on a yellow flower in the highlands of Réunion Island into a living product now available worldwide.
Seeing Yellow Flower officially listed among WHC’s yeasts is both emotional and inspiring.
It represents years of curiosity, patience, and collaboration between science and nature.
Thank you WHC for believing in this story and for giving this native yeast from the Indian Ocean a chance to shine.
— Nikolai Tugarin
Brasserie Dalons, Réunion Island
An incredible milestone!
Huge thanks to the WHC Lab team for turning a small discovery made on a yellow flower in the highlands of Réunion Island into a living product now available worldwide.
Seeing Yellow Flower officially listed among WHC’s yeasts is both emotional and inspiring.
It represents years of curiosity, patience, and collaboration between science and nature.
Thank you WHC for believing in this story and for giving this native yeast from the Indian Ocean a chance to shine.
— Nikolai Tugarin
Brasserie Dalons, Réunion Island