This cultivar is fully hardy in zone 4 having been proven so by The Minnesota Landscape Arboretum located in the city of Chaska. It's a very strong, extremely quick grower with typical wallichiana-characteristics, having long and soft to the touch, needles (Dax Herbst).This selection is considered a hyrid between P. strobus and P. wallichiana.
Pinus x schwerinni 'Prairie Giant'
Donated by Ernie Wiegland of Illinois.
Photo by Ernie Wiegand