What plant hardiness zone is Grand Canyon Natl Park
Grand Canyon Natl Park is located at Coconino County, Arizona (AZ), USA.
Plant hardiness zone (winter frost zone or gardening zone) for Grand Canyon Natl Park is 7a by the USDA scale.
Coldest zone's winter temperature is 0 … +5 °F.
Plants of 7a USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 7a USDA.
Grand Canyon National Park @ wikipedia.