Alot of gardening mail-order catalogs list Actinidia arguta as the "hardy kiwi". It can only handle -25∞ F before it winterkills. There is another kiwi that is hardier, Actinidia kolomitka that can take -50∞ F. It tastes identical to the brown fuzzys, is only 30% smaller than A. arguta, produces less invasive vines than its cousins and it ripens in August. I bought my A. kolomitka from Oregon Exotics but I have seen it in (a few) other catalogs.
Jim Fruth
Pequot Lakes, MN
Zone 3
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