Which base ingredient is commonly used for Polish vodka?

Polish vodka is traditionally made from rye or potatoes, making this choice the most accurate. Rye is a popular base ingredient due to its availability in Poland and the character it imparts to the vodka, providing a rich, robust flavor that is often appreciated in Polish distilling practices. Potatoes are also used, especially in certain regional varieties, contributing to a smoother mouthfeel.

Wheat, while used for vodka in other countries, is not a hallmark of Polish vodka production. Barley is more commonly associated with whiskey production than with vodka. Grapes, while they are the base for certain spirits (most notably wine), are not typically used in the production of traditional Polish vodka. This helps to reinforce the uniqueness of Polish vodka, with rye and potatoes being integral to its identity and flavor profile.