What plant hardiness zone is Cooperstown
Cooperstown is located at Griggs County, North Dakota (ND), USA.
Plant hardiness zone (winter frost zone or gardening zone) for Cooperstown is 4a by the USDA scale.
Coldest zone's winter temperature is −30 … -25 °F.
Plants of 4a USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 4a USDA.
Cooperstown, North Dakota @ wikipedia.