Located along the 45th parallel north, and moderated by Lake Michigan and the deep Grand Traverse Bay, the region soon showed that it had macroclimate to produce a wide range of fruits and vegetables.
[5] In 1870, George Parmalee, of the Michigan State Horticultural Society, encouraged farmers of Old Mission Peninsula to branch out to different plantings but it would be another 100 years before wine grape varieties really took hold in the area.
The leading force behind AVA recognition came from Edward O'Keefe, whose Chateau Grand Traverse was the peninsula's only commercial winery at the time.
[7] Currently the wineries of the Old Mission Peninsula are focused on the production of Vinifera wines with an average of 90,000 cases produced in the AVA on a yearly basis.
The Old Mission Peninsula American Viticultural Area sits close to the 45th parallel, a longitude known for growing prestigious grapes.