What plant hardiness zone is Grace City

Grace City is located at Foster County, North Dakota (ND), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Grace City 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.

Grace City, North Dakota @ wikipedia.