Kazumi Wines is the first in the US to produce wine from the rare Japanese Koshu grape. Napa Valley Koshu blends Michelle Sakazaki's Japanese heritage with California craftsmanship. NAPA ...

The Koshu white wine grape, a long-time specialty of Yamanashi Prefecture, has the rare distinction of containing genetic characteristics typical of red wine grapes, according to researchers.

Winemaker Michelle Sakazaki is the first in the U.S. to grow and produce Koshu wine, made from an ancient pink grape from Japan. Through her label, Kazumi Wines, she’s introducing this ancient ...