Abies procera 'Yang' is still a relatively new cultivar but it shows a miniature growth rate of about 1 inch (2.5 cm) per year, more laterally with a teal-green hue. There are subtle differences between the two plants which may be more apparent with mature growth.
Discovered on a Noble fir at Drakes Crossing Christmas tree farm in Silverton, Oregon, by Jason Hupp, this broom was one of two separate brooms found on the same tree. The upper broom was named 'Yin', the lower 'Yang', by Will Fletcher of Hobbiton Gardens, Port Orchard, WA.