A new cultivar of Japanese haskap plant, ‘Kapu’, that is characterized by its very 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-ovate in shape, very firm, produce little juice, good tasting, suitable for dried fruit production, 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.