What plant hardiness zone is Picture Rocks

Picture Rocks is located at Pima County, Arizona (AZ), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Picture Rocks is 9a by the USDA scale.

Coldest zone's winter temperature is +20 … +25 °F.

Plants of 9a USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 9a USDA.

Picture Rocks, Arizona @ wikipedia.