Pinus strobus 'Blue Shag'
Blue Shag is an Eatern white pine with a globose shape and loose branches with blue-green needles. (Note: this plant was photographed in winter which why it has a more yellow tone.)
COLOR: Blue Green
GROWTH: 1 to 6 inches per year / 1 to 5 feet after 10 years
USDA ZONE: 3 (-30 to -40 F / -34.4 to -40 C)