Blue Magic Fir Korean Fir grafted  on Firma Rootstock Korean Fir I Small - Intermediate Blue HW5Fx3F Botanical Reference: Abies Koreana 
 
A slow-growing upright evergreen conifer with vivid steel-blue needles. Originated in Germany in the late 1980's from seed irradiated by cobalt. Prefers full sun in well-drained soil. 5' tall by 3' wide in 10 years. Hardy to -30 degrees. USDA zone 5-8.
Note: The dsignation "Firma" indicates that this cultivar has been grafted by Bucholz and Bucholz Nursery onto Abies firma root stock resulting in improved heat tolerance.
 
American COnifer Society Details:
Abies koreana 'Blue Magic' / Blue Magic Korean fir
RECOMMENDED HARDINESS ZONES:5 (-10 to -20 F / -23.3 to -28.9 C)
HORTICULTURAL STATUS: EstablishedORIGIN: Seedling SelectionCOLOR: Blue TRINOMIAL TYPE: CultivarGROWTH SHAPE: Conical (Pyramidal)GROWTH SIZE: Dwarf: 1 to 6 inches (2.5 – 15 cm) per year / 1 to 5 feet (0.3 – 1.5 m) after 10 years
 
Abies koreana 'Blue Magic' is a slow-growing, upright, pyramidal selection of Korean fir with dense branching and exceptional, light Blue foliage. After 10 years of growth, a mature specimen will measure 20 to 32 inches (50 - 80 cm) tall, an annual growth rate of 2 to 3 inches (5 - 7.5 cm).
 
Origin:
This cultivar originated as one of several seedlings selected in the late 1980s by Kurt Wittboldt-Mueller Nursery, Verden-Eitze, Germany. Wittbold-Mueller worked with seed irradiated by cobalt, resulting in many intensely Blue seedling.