What plant hardiness zone is Spiritwood Lake

Spiritwood Lake is located at Stutsman County, North Dakota (ND), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Spiritwood Lake 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.

Spiritwood Lake, North Dakota @ wikipedia.