Frontenac Grape

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A top-performing red wine grape developed and released by the University of Minnesota, Frontenac is prized for its exceptional vigour, productivity, and cold hardiness. This variet y thrives in northern climates and is one of the most reliable choices for Prairie vineyards and backyard winemakers. Frontenac vines are extremely vigorous and highly productive, producing generous clusters of berries ideal for full-bodied red wines, rosés, and ports. The vines show strong natural resistance to disease, with particularly good tolerance to powdery mildew—making them easier to maintain in variable Prairie weather. At harvest, Frontenac grapes typically reach high sugar levels paired with high acidity, a hallmark of cold-climate wine grapes. These qualities contribute to excellent colour, balanced wines, and strong fermentation performance. Fruit Use: Red wines, rosé, port-style wines, juiceFlavour Profile: Deep colour, robust flavour, excellent for winemakingSugar Levels: High at harvestAcidity: High (typical for northern wine grapes)Disease Resistance: Very strong; particularly resistant to powdery mildewGrowth Habit: Extremely vigorous, ideal for trellisesYield: Heavy and consistentHardiness: Bred for cold climates (University of Minnesota)Time to Bear: Approx. 3-4 years A vigorous, reliable, and wine-quality red grape that excels in cold climates—perfect for Prairie vineyards, hobby winemakers, and hardy fruit enthusiasts. Growing Guide:Grape Tree Planting & Care Growing Guide:Shrubs, Trees and Fruit Trees Show more