What plant hardiness zone is Whetstone

Whetstone is located at Cochise County, Arizona (AZ), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Whetstone is 8b by the USDA scale.

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

Plants of 8b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 8b USDA.