The first Mirai white. With Mirai 421 W, growers have a white variety that brings that special Mirai sweetness, flavor and texture to the white supersweet market. Refined 8 to 8-1/2" ears are set at 30" on sturdy and clean 6' plants. The ears have strong tip fill and 16 rows of glossy white kernels, and they are well covered with deep green, tight husks and attractive flags. Isolation required.