What plant hardiness zone is Red River Hot Springs

Red River Hot Springs is located at Idaho County, Idaho (ID), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Red River Hot Springs 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.