The 2017 Napa Vintage Report kicked off with Gregory V. Jones PhD., Director of Wine Education and professor and research climatologist in the Department of Environmental Studies at Linfield College, presenting on the state of the North American climate. According to the observations, the vintage was marked by 2017 being the […]

Mark Anderson, Director of the Vintage Report recently sat down with the Viticulture Blog’s Vincent Sauton to discuss the upcoming Napa Vintage Report and how the conference shapes into the context of the greater wine industry. Vincent Sauton: Can you start off by describing what is the Vintage Report?   […]

What is the  relationship between fruit color and wine color concentration? A strong, positive relationship exists between  anthocyanin (i.e. color)  concentration in grape and in wine (source). However, all anthocyanins accumulated in the skin are not completely extracted into the wine. For that reason, even if a relationship exists, the total amount of anthocyanins  extracted […]

In this blog we discuss why adapting harvest date to a warming environment is challenging …and why you may not have to trade off sugar concentration to get high color concentration. Higher sugar concentrations at harvest are often associated with an increase in temperature. This is observed empirically and scientifically in the […]