One Napa Valley winery is making a rare style of Japanese wine: Koshu. Or, rather, it’s rare outside of Japan. In its home country, Koshu is the most widely planted grape variety, the lifeblood of ...

Koshu wine is very dry with a low alcohol content. It has a clean, crisp, and refreshing taste, often with a strong mineral ...

Glowing on the vine like illuminated pink gumdrops, Koshu grapes are a sight to behold. Native to Japan, where the pale pink ...

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.