Introduction to the Characteristics and Cultivation Methods of the Nikko Cold Orchid Variety Orchids Jan 1, 1970 0 views Nikko is a representative variety of cold orchid (Cymbidium kanran) whose sepals and petals open in the folded-crane form, with peach-colored flowers. Nikko is a representative variety of cold orchid (Cymbidium kanran) whose sepals and petals open in the folded-crane form, with peach-colored flowers.