What plant hardiness zone is New Rockford

New Rockford is located at Eddy County, North Dakota (ND), USA.

Plant hardiness zone (winter frost zone or gardening zone) for New Rockford 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.

New Rockford, North Dakota @ wikipedia.