What plant hardiness zone is South Roxana

South Roxana is located at Madison County, Illinois (IL), USA.

Plant hardiness zone (winter frost zone or gardening zone) for South Roxana is 6b by the USDA scale.

Coldest zone's winter temperature is −5 … 0 °F.

Plants of 6b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 6b USDA.