What plant hardiness zone is Rio Rico

Rio Rico is located at Santa Cruz County, Arizona (AZ), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Rio Rico 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.