What plant hardiness zone is Fern Forest

Fern Forest is located at Hawaii County, Hawaii (HI), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Fern Forest is 10b by the USDA scale.

Coldest zone's winter temperature is +35 … +40 °F.

Plants of 10b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 10b USDA.