A new cultivar of Japanese haskap plant, ‘Keiko’, that is characterized by its upright and spreading plant habit, its vigorous growth habit, its high fruit yields, its frost tolerant flowers, its fruits that are medium large in size, oval in shape, medium firmness, produce little juice, good sweet and tart tasting, and maintain their appearance, firmness and taste for at least 4 weeks in cold storage at 33° F. to 35° F., and its little or no disease or pest problems requiring no chemicals for desirable fruit production.
