What plant hardiness zone is Sentinel Butte

Sentinel Butte is located at Golden Valley County, North Dakota (ND), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Sentinel Butte 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.

Sentinel Butte, North Dakota @ wikipedia.