What plant hardiness zone is Keystone Heights

Keystone Heights is located at Clay County, Florida (FL), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Keystone Heights 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.


Keystone Heights, Florida @ wikipedia.