Koshu Sanjaku甲州三尺
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An old Japanese grape with very long, open bunches, sometimes used for a fresh white wine that highlights its acidity.
Koshu Sanjaku is an old Japanese grape from Yamanashi, classed as an East Asian European-type variety and named for its unusually long bunches. Its berries hang loosely, reducing the need for thinning, and the grape is valued for good keeping quality and easy cultivation. Besides table and ornamental use, it has served as a parent in breeding varieties such as Neo Muscat, Benizanjaku and Kaiji. It is rarely seen on the market, but Yamanashi wineries have used it for white wine. The wines are best described as fresh and lightly textured, with acidity to the fore.
Notes on aroma and taste describe general tendencies for this grape, not claims about any particular wine — the actual character depends on the producer and how it is made.
For this grape we have not yet confirmed a primary source for its origin or growing regions. (Winery entries always carry a source and the date it was checked.)