What minimum percentage of Glera grapes must Prosecco contain?
Answer
85 percent
Italian regulations impose a clear mandate regarding the composition of Prosecco. To legally bear the Prosecco label, the wine must be predominantly made from the Glera grape varietal. Specifically, the governing rules require that a minimum of 85 percent of the grapes used in production must be Glera. This high mandatory inclusion of Glera is directly responsible for Prosecco's characteristic aromatic profile, which leans towards light, fresh fruit notes such as green apple and pear, distinguishing it significantly from the grape base used in Champagne.
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