"Old Vine" refers to grapevines that are typically at least 30 years old. These vines are often prized in viticulture because they tend to produce lower yields of grapes, which can lead to more concentrated flavors in the wine. The age of the vine can influence the complexity and character of the wine, making it a sought-after quality among wine enthusiasts. In many wine regions, such as France and Spain, the term "Old Vine" is used to denote specific vineyards that have a long history of cultivation. The unique conditions and care that older vines receive can contribute to the distinctiveness of the wine produced, often resulting in a richer and more nuanced tasting experience.