A new cultivar of Polemonium plant named ‘;DUNKAL’; that is characterized by its foliage that is variegated with light green, creamy white, dark green, and bright purple-pink when grown in full sun with foliage variegated with light pink rather than bright purple-pink when grown in shade, its multicolored foliage that is present on the basal leaves as well as on the cauline leaves and its abundance of large purple flowers that are bright purple when grown in full sun and slighter lighter purple in color when grown in shade.