Frontenac Gris
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Frontenac Gris

Frontenac gris, the white wine version of Frontenac, started as a single bud mutation yielding gray (thus named gris) fruit and amber-colored juice. The vine exhibits the same optimum growth characteristics as Frontenac, and requires the same cultural practices. Arching canes and minimal tendrils provide easy training and pruning to simplify vine management. In Minnesota, Frontenac and Frontenac gris ripen in late mid-season, and are good sugar producers with 24-25° Brix not uncommon.

Wine Profile

Frontenac gris wines present aromas of peach and apricot with hints of enticing citrus and tropical fruit. A brilliant balance of fruit and acidity creates lively, refreshing wines. Unique and complex flavors make this an excellent grape for table, dessert, and ice wines.


Three Oak Vineyards is moving towards a fall of 2013 date to harvest the first grape crop. We are excited about growing Frontenac Gris and Marquette, two excellent University of Minnesota wine varieties in our vineyard. Our superior soil type and location will produce an excellent wine grape.

If you are interested in learning more about Three Oak Vineyards wine grapes we suggest you go to;

We will market our grape varieties through our private wines and selling grapes to wineries that are looking for our varieties. Contact us for more information about future grape sales.