Itasca grape Chardonnay, Pinot Noir, Riesling and Gewürztraminer- what do they all have in common? They’re grapes that thrive in cooler climates and survive sometimes long and arduous winters. Now you can add Frontenac, Frontenac Gris, La Crescent, Marquette and Itasca to the list of cold weather favorites. These five grapes have been developed by the ...