What plant hardiness zone is Sierra Vista Southeast

Sierra Vista Southeast is located at Cochise County, Arizona (AZ), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Sierra Vista Southeast 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.