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Analysis, education and news from the Marco de Jerez. Harvest reports, producer interviews and in-depth guides.

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J What Flor Actually Does The Biology Behind Biologically Aged Sherry
FEATUREDEDUCATION

What Flor Actually Does: The Biology Behind Biologically Aged Sherry

The veil of yeast that forms on the surface of Fino and Manzanilla is not a curiosity or a winemaking accident. It is a living biofilm that changes the wine beneath it: protecting it from direct oxidation, consuming key compounds, producing acetaldehyde, and giving biologically aged Sherry its unmistakable profile of flor, almond, bread dough, salinity and dry precision.

28 Jun 2026 · 13 min read

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J The Solera System Explained Why Most Sherry Has No Vintage

EDUCATION

The Solera System Explained: Why Most Sherry Has No Vintage

28 Jun 2026 · 11 min read

BG The Albariza Soils of the Marco de Jerez

EDUCATION

The Albariza Soils of the Marco de Jerez: Why Chalk Matters

28 Jun 2026 · 10 min read