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Markus Keller, Ph. Their oldest estate vines are Cabernet Sauvignon, planted in Here, scientists and winemakers discuss these contrasting views. For example, at San Leonardo in Trentino, Italy, the Guerreri Gonzaga family has produced Bordeaux-style wines for more than years.
Owner Anselmo Guerrieri Gonzaga observes gradual, incremental changes after year Vines surviving beyond years tend to produce fewer, larger grape bunches, reflecting their longevity and adaptation to the environment. Our start also corresponded with a big change in the way people were farming vineyards in California, moving away from head-trained, dry-farmed vines, as drip irrigation changed the way vineyards are planted. If we think of an older vine as we might an older human, there are helpful parallels.
For vines, vast root systems evolve to permeate layers of soil, tapping into moisture that can sustain them through dry growing seasons.
Part of the mythology of old vines is the presumption that, because old vines often yield less grape clusters, they create superior fruit from a smaller crop. According to the available research, this is where things become more complicated.
