Zone 3
USDA Zone Hardiness standards are based on the lowest average minimum temperatures for an area and are used by growers as a rough guide to select plants that are most likely to do well in their area.
Plants that are Zone 3 are best able to survive in the warmers areas of town, such as in the hills above the inversion layer, surviving extreme minimum temperatures of -40 to -30 F. This is not a guarantee of winter survival, but an indication of relative plant hardiness.
https://planthardiness.ars.usda.gov/PHZMWeb/#
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Amur maple
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American Plum
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Aronia (Black Chokeberry)
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Golden Currant
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Nanking Cherry
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Scots Pine
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Ussurian Pear, ‘McDermand’
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Wood’s Rose
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