Chateau Palmer's biodynamic conversion eliminated sulfur additions at crushing and reduced total sulfite levels significantly. Native yeasts and the biodynamic preparation programme contribute to wine stability without conventional sulfite additions at harvest.
Address: Chateau Palmer, 33460 Cantenac, France, Bordeaux
Margaux third growth achieving full Demeter biodynamic certification across all 66 hectares in 2017, making it the largest biodynamic classified growth in the Medoc. Thomas Duroux's meticulous conversion includes 100% estate-produced compost, lunar calendar planning and no herbicides since 2008.
The pioneering biodynamic estate in Pauillac, converting all 81 hectares to Demeter-certified biodynamic farming in 2014 under Alfred Tesseron and technical director Mathieu Bessonnet. Horse-drawn ploughing, composts, and biodynamic preparations used across the full estate.
Margaux third growth achieving full Demeter biodynamic certification across all 66 hectares in 2017, making it the largest biodynamic classified growth in the Medoc. Thomas Duroux's meticulous conversion includes 100% estate-produced compost, lunar calendar planning and no herbicides since 2008.
Baptiste Guinaudeau converted Chateau Lafleur to organic farming certified by Ecocert and to biodynamic practices from 2014. While not Demeter-certified, the estate applies full biodynamic preparations and lunar scheduling. Tiny 4.5-hectare Pomerol estate with equal Merlot-Cabernet Franc.
Under Saskia de Rothschild's leadership, Chateau Lafite completed a full organic conversion of all 112 hectares, receiving Ecocert certification in 2024. The conversion began in 2016; Lafite becomes the first first-growth to achieve full organic certification.
Saint-Estephe second growth Cos d'Estournel achieved Ecocert organic certification across all 91 hectares in 2024 under owner Michel Reybier's sustainability mandate and direct management.
The Cathiard family's Pessac-Leognan estate and Les Sources de Caudalie resort are Ecocert organic certified. The 67-hectare vineyard uses cover crops, organic composts and no systemic herbicides; the estate's sustainability programme extends to the Vinotherapie spa's grape-based treatments.
