Frontenac
Grape Color Blue, Black
Primary Use Wine Wine Color Red, Rosé Variety Origin University of Minnesota Parents Landot 4511 x University of Minnesota V. riparia selection no. 89 Pseudonym (Tested As) MN 1047 Year Released 1996 Harvest Season Late Season USDA Hardiness Zone 3 Sulfur Sensitivity Slightly susceptible Vine Vigor Very Vigorous Growth Habit Semi-Trailing Suggested Distance Between Vines 8 ft Vine Training System Top Wire Cordon Bud Break 2-3 Days before Concord
Grape Color Blue, Black
Primary Use Wine Wine Color Red, Rosé Variety Origin University of Minnesota Parents Landot 4511 x University of Minnesota V. riparia selection no. 89 Pseudonym (Tested As) MN 1047 Year Released 1996 Harvest Season Late Season USDA Hardiness Zone 3 Sulfur Sensitivity Slightly susceptible Vine Vigor Very Vigorous Growth Habit Semi-Trailing Suggested Distance Between Vines 8 ft Vine Training System Top Wire Cordon Bud Break 2-3 Days before Concord