Hardiness: 4
Size: Vigorous vines that require trellising and training.
Planting: Prefers full sun and well-drained soils; adaptable to various soil types.
Fruit: Dark blue/purple grapes forming medium-sized conical clusters.
Pollination: Self-fertile.
Use: Suitable for producing dry red wines, rosé, and fortified wines; wines typically exhibit aromas of cherry and other red fruits.
Ripening: Late September to early October.
Pot: 1 gal,
Additional Notes: Frontenac is a hybrid grapevine developed by the University of Minnesota, known for its high vigor and productivity. It is highly resistant to downy mildew and moderately resistant to powdery mildew and botrytis.