Late Summer. Kikusui × Wasekozo. Natl Hort Res Stn, Tsukuba, Japan, 1959.
Crisp, juicy and very sweet. Medium-sized fruit is mostly covered with golden-brown russet. Early ripening, two weeks before Hosui, and keeps for about two months. Kosui means ‘good water.’ Medium-sized vigorous spreading tree. Some resistance to scab. Z4/5. (3–6' bare-root trees)