A Canadian ban on alcohol importsThen there’s the trade war with Canada, the industry’s largest export market and formerly a major customer of California wines. AdvertisementAs a result of this “geopolitical friction,” to use the words of University of California researchers, California wine exports to Canada fell by nearly 80% in 2025 compared with the year before. Sen. Adam Schiff also wrote Fréchette asking her to resume the sale of California wine and U.S. spirits. “In the context of the ongoing trade war, the premier continues to defend Quebec’s economic interests,” a spokesperson for Fréchette told CBC Radio. “They went from an $11-million annual wine export to a $2-million annual wine export to Canada because of this.”