The most common is SO4, a crossing between Vitis berlandieri and Vitis riparia. However, with the climate change challenge, the wine industry has realized that it needs a new generation of rootstocks.

A hardy grape native to North America, Vitis Riparia is one of the phylloxera-resistant rootstocks used with Vitis Vinifera grape varieties. Classic European winemaking species of grape. Examples ...

New varieties such as Frontenac and Marquette rely on a genetic background that includes Vitis riparia to withstand the winters in in colder regions from Minnesota to Vermont.

Vitis riparia is one of the parents of the grape, and it has the widest and largest geographical range of any of the North American Vitis species.

Vitis riparia is cross-pollinated with European varieties of grapes known for their good flavor, but they do not thrive in colder climates, Thull said. “If you cross those European varieties with the ...

After his success with baco noir — a hybrid of Vitis vinifera and the native North American species Vitis riparia — Niess wondered what other hybrid grapes he could grow.

Today, there are many hybrids of European and American species (Vitis labrusca, Vitis riparia). Hybridization with American grapes can impart disease resistance and increased productivity to vines.

The truth is that if I had to pick a favorite Vitis, I might actually pick Vitis riparia, one of the phylloxera-resistant rootstocks that can be grafted over with Vitis vinifera grape varieties.