Cultivar
'Borisii'
This semi evergreen herbaceous perennial grows to 300 mm (1 ft) tall and wide with dark green foliage forming a clump habit. From spring to early summer it produces semi-double upward facing mango-orange coloured flowers with yellow anthers in a cluster above the foliage. After dead heading the flowers appear sporadically throughout summer and it is an ideal plant for rockeries, patio pots or used for edging. It grows in USDA zones 5-7.