Cave Collonge is certified at the highest level HVE: level 3.
The ‘Haute Valeur Environnementale (HVE)’ corresponds to the highest level of environmental certification of agricultural companies. Since February 2012, when the system was implemented, the number of certified agricultural companies has passed 19.000 (19,216 as of July 1, 2021). The certification, following an extensive audit, is proof of their commitment to practices that are more respectful of the environment and biodiversity.
• contribution to the biodiversity of the vineyard;
• reasoned intervention in phytosanitary treatments;
• rational control of fertilization;
• economical management of water resources.