After an investigation into the Hideyoshi-built Jurakudai-ato (remains of Jurakudai) and Fushimi-jo Castle discovered that Omiya grape vine were grown using a trellis, such grapes produced on a trellis began to be called Juraku Budo Grape.
その大宮葡萄の棚掛栽培法が秀吉の築いた聚楽第跡や伏見城で発見され、葡萄棚掛栽培でできた葡萄を聚楽葡萄と呼ばれる様になった。