Where does kyoho grapes come from?

Kyoho grapes originate from Japan, specifically developed in the 1930s by crossing two grape varieties: the American Concord grape and a Japanese grape called the Ishikura. They are primarily grown in regions such as Yamanashi and Okayama. Known for their large size and sweet flavor, Kyoho grapes are popular both in Japan and internationally, often enjoyed fresh or used in desserts.