Although sparkling icewines have been made in Canada since the late 1990’s, they are still a rarity. I only first heard about them this past Spring while researching this article (in Dutch) I wrote on ice wines in general.
Because of their high sugar levels, Canadian icewines were forbidden in Europe until 2001. The concern was that a second fermentation could occur in the bottle. As was the case with the monk Dom Pérignon, the resulting sparkling wine would be seen as a fault, a hazard which could break the bottles. more>>