Frontenac is a hybrid grape developed by the University of Minnesota. Frontenac is a very hardy grape that can withstand temperatures as cold as -30 degrees. It is also highly resistant to diseases. This grape which is smaller than other grapes forms a tight cluster. It is a high sugar and very acidic grape.
La Crescent is also a very hardy grape that can withstand temperatures as cold as -34 degrees. La Crescent is moderately resistant to diseases. It is a high sugar and acidic grape. This grape brings a hint of citrus and apricot in its aroma.
Brianna is a cold hardy grape that can withstand temperatures as cold as -25 degrees. It is also a disease resistant grape. It is a semi-sweet grape with a fruity aroma. It brings apricot, pineapple, peach, and grapefruit flavors to its wine.
Marquette is also a cold hardy grape. It is high in sugars and with moderate acidity. It has a ruby color with flavors of cherry, peppers, and berries.