What plant hardiness zone is Elk Point

Elk Point is located at Union County, South Dakota (SD), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Elk Point is 5a by the USDA scale.

Coldest zone's winter temperature is −20 … -15 °F.

Plants of 5a USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 5a USDA.

Elk Point, South Dakota @ wikipedia.