minus Carolinianum hybrid 'Manitou' also known as 'Manitau'

Parentage: {[(minus var. minus Carolinianum Group x racemosum) 'Conestoga' x unknown] 'Windbeam'} x unknown,
cross by G. Nearing.
Habit: Compact round. Height 60 cm in ten years.
Flowers: Light pink flowers. Flower size 3 to 3.5 cm.
Leaves: Dark olive green, 5 cm long leaves.
Cold Hardiness: -15°F, -26°C. Some sources claim -25°F, -32°C.