What plant hardiness zone is Fairmont City

Fairmont City is located at St. Clair County, Illinois (IL), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Fairmont City 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.