What Makes a Cool Climate: Ian D’Agata Keynote at the International Cool Climate Chardonnay Celebration, i4C16

What Makes a Cool Climate? Keynote from Ian D’Agata, i4C+ 2016

Ian d'Agata

i4C+ 2016 Keynote Speaker Ian d’Agata

Ian D’Agata opened this year’s International Cool Climate Chardonnay Celebration with greetings in Italian. The venerable wine writer heralds originally from Canada and has devoted his life since to understanding Italian wine. Most recently, in 2015 his book Native Wine Grapes of Italy was awarded wine book of the year by the prestigious Louis Roederer International Wine Writers’ Awards. At Vinous.com, D’Agata serves as Senior Editor and Head of Development for Europe & Asia. He has stands as a self-described champion of Canadian wine.

In his keynote address, D’Agata considered the notion of a cool climate, asking what the nomenclature means without formal definition. As he pointed out, regions that count as cool climates in the world of wine “get just as hot at the peak of the season” as other warm climates of the world but, importantly, cool climate temperatures drop more quickly approaching harvest. Grapes at harvest, then, are picked at a different point in the arc of ripening “insuring the wines taste differently” than those from fruit selected at higher temperatures.

He pointed out that growing degree days and mean temperature indexes offer only rudimentary insight into the growing conditions of a region. Instead, a latitude index also being integrated into degree day measurements offer additional insight. D’Agata emphasized the challenges of classifying cool climate regions as no single measurement can discern them from other climate types. He pointed out that factors such as diurnal shift, solar radiation, soil type and its drainage, the average length of a growing season and the demand to plant for heat conservation are all relevant considerations. Cool climates, as he pointed out, limit grape ripening and include the sincere threat of damage to the vines in the winter due to weather.

When considering the wines themselves, D’Agata explains that “the hallmarks of cool climate wines” include high perceived acidity, brightness, freshness, crispness, minerality and that these characteristics “tend to be achieved naturally without excessive intervention.” Flavors, D’Agata mentioned from cool climate wines tend to include notes like citrus, melon, minerality and salinity. He also pointed out that to some degree cellar interventions can adulterate otherwise cool climate wines. In his view excessively apparent oak and overall flabbiness to the wine tend to hide cool climate character.

As he continued, D’Agata questioned the degree to which these hallmarks of a cool climate can be achieved in otherwise warmer regions. The implication was that generally speaking it is harder to capture the constellation of qualities common to cooler climates simply by picking earlier (for example) in a warmer one. At the same time, he acknowledged that no growing region is homogenous. In any region there may be specific mesoclimates with unique soil, drainage, aspect, and temperature etc that when all in balance deliver cooler character in an otherwise warmer clime.

With all of this in mind, D’Agata noted that truly understanding cool climate regions depends on considering latitude, growing degree days and expression in the wines themselves.

Finally, and in recognition to our event hosts, D’Agata emphasized that in his view Chardonnays from Canada really are world class. He pointed out that he can speak to how wines of the region have improved and the industry has grown since the late 1980s and early 1990s when “it was much harder going” tasting the wines. At the time, “I was very proud to bring back Ontario wines to my wine snob friends in Italy,” he joked. He continued, “and they would laugh me out of the room.” But when he brings back wines of Canada to taste with his friends in Rome today, he says, “I tell you, they’re not laughing anymore.” The wines today are good.

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