What plant hardiness zone is Old Horse Springs

Old Horse Springs is located at Catron County, New Mexico (NM), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Old Horse Springs is 6a by the USDA scale.

Coldest zone's winter temperature is −10 … -5 °F.

Plants of 6a USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 6a USDA.

Old Horse Springs, New Mexico @ wikipedia.