What plant hardiness zone is Crater Lake Natl Park

Crater Lake Natl Park is located at Klamath County, Oregon (OR), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Crater Lake 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.