Just-harvested Gruner Veltliner grapes (Photo courtesy of Dr. Konstantin Frank Vinifera Wine Cellars) By Lenn Thompson, Executive Editor On paper, Gruner Veltliner — the grape grown primarily in Austria and other Eastern European nations — is an ideal grape to grow in the Finger Lakes. First and perhaps more importantly, it’s winter hardy — not as hardy as riesling, but more hardy than gewurztraminer and many other varieties being grown successfully in the region. It’s also an early ripener, said to ripen before gewurztraminer and riesling. The skins are thick too, even thicker than chardonnay, so is affected less by…