'Acro-Yellow' Conifer Dwarf Norway Spruce
Botanical Reference: Picea Abies 
 
10 Year Dimensions: 5 Ft High by 3 Ft Wide
Annual Growth Rate: 4-5 Inches
 
A dwarf evergreen conifer with an irregular upright form. Needles are frosted with butter-yellow. Numerous ornamental cones are featured. Prefers sun/partial shade in well-drained soil. 5' tall x 3' wide in 10 years. Hardy to -50 degrees. USDA zone 2.
 
Attribution from The American Conifer Society:
Picea abies 'Acro-yellow' / Acro-yellow Norway spruce
RECOMMENDED HARDINESS ZONES:
3 (-30 to -40 F / -34.4 to -40 C)
HORTICULTURAL STATUS: Established
ORIGIN: Seedling Selection
COLOR: Yellow or Gold 
TRINOMIAL TYPE: Cultivar
GROWTH SHAPE: Broadly 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
 
Picea abies 'Acro-yellow' / Acro-yellow Norway spruce
Picea abies 'Acro-yellow' is a slow-growing, irregular-upright selection of Norway spruce with foliage that is frosted with butter-yellow, and numerous cherry-red seed cones that grow at the ends of terminal branches. In spring the combination of of yellow and red is very pleasing. After 10 years of growth, a mature specimen will measure (1.5 - 2 m) tall and (1 - 1.3 m) wide, an annual growth rate of 4 to 6 inches (10 - 15 cm). 
 
Origin:
This cultivar originated as a seedling selected in the early 2000s by Greg Williams of Wolcott, Vermont. Buchholz Nursery of Gaston, Oregon is credited with introducing it to the nursery trade.
'Acro-yellow' is one of eight selections made in 2020 for the popular ACS Collectors' Conifer of the Year program.