What plant hardiness zone is Swift Trail Junction

Swift Trail Junction is located at Graham County, Arizona (AZ), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Swift Trail Junction 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.

Swift Trail Junction, Arizona @ wikipedia.