The following conifers are among the cold-hardiest on earth!

David Zuckerman

1)   Abies balsamea                (Balsam Fir)

• USDA Hardiness Zone 3: -40° to -30°F.
• North American fir with range distribution as far north as Labrador, Canada.
• Balsam fir is the most cold-hardy and aromatic of all firs.

2)   Juniperus communis                (Common Juniper)

• USDA Hardiness Zone 2: -50° to -40°F.
• The most widespread tree or shrub in the world!
• Circumpolar distribution throughout northern hemisphere.

3)   Larix laricina                (Tamarack)

• USDA Hardiness Zone 1: Below -50°F.
• North American deciduous conifer
• Distributed as far north as the Arctic Circle in Alaska.

4)   Picea abies                (Norway Spruce)

• USDA Hardiness Zone 2: -50° to -40°F.
• Timber spruce native to northern and central Europe.

David Zuckerman

5)   Pinus sylvestris                    (Scotch Pine)

• USDA Hardiness Zone 2: -50° to -40°F.
• One of the most widely distributed pines.
• Native to Eurasia

To locate specimens of these plants, please visit our interactive map
http://depts.washington.edu/uwbg/gardens/map.html