Edition of October 27, 2026

Clos Puy Arnaud Flies the Flag for Castillon

Over 25 years, Thierry Valette has elevated Clos Puy Arnaud in Castillon, an estate already recognized as a premier cru in the 1874 Féret guide.

Castillon’s strongest estates help define the appellation beyond its traditional value positioning. Long-term improvement at individual properties can lift how merchants and drinkers view the wider area.

Source: Sud Ouest Clos Puy Arnaud Castillon Côtes de Bordeaux The Fine Wine Market

How Bordeaux Second Wines Work

Bordeaux châteaux make second wines from grapes that do not meet the standards for the Grand Vin, often for earlier consumption and at lower prices. Some estates may direct 50% or more of their harvest to these wines.

Second wines sit at the intersection of selection, estate identity and value. Understanding how they are assembled helps buyers judge what the château name does, and does not, guarantee.

Source: Revista ADEGA The VintageThe Fine Wine Market

Biodynamic Treatments Linked to Higher Soil Respiration

According to Vinetur, a six-year trial in Bordeaux linked biodynamic treatments at Lafite Rothschild to a 40% increase in basal soil respiration and a 33.7% rise in microbial biomass carbon in organic plots. The study did not assess yields or wine quality.

The result adds a measurable soil indicator to Bordeaux’s debate around vineyard practices. The important question is whether that signal corresponds with durable benefits for vines and wine.

Source: Vinetur Château Lafite Rothschild Vineyard and CellarThe Vintage