ice wine is a style of wine making and usually done in thecolder regionswere the season is short and specif grape types are used
Canada (Ontario) or Germany,,,and has a distinctive way of making it unto itself........google in ice wine and see....you could make any wine grape in the ice wine style ..but it wouldn't be considered icewine........in its truest sense of the definition.....and your brix would be extremely high to start with...google ice wine and answer your on thoughts on the subject.......................