What plant hardiness zone is Spring Brook

Spring Brook is located at Williams County, North Dakota (ND), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Spring Brook is 3b by the USDA scale.

Coldest zone's winter temperature is −35 … -30 °F.

Plants of 3b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 3b USDA.

Spring Brook, North Dakota @ wikipedia.