What plant hardiness zone is Coal City

Coal City is located at Grundy County, Illinois (IL), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Coal City is 5b by the USDA scale.

Coldest zone's winter temperature is −15 … -10 °F.

Plants of 5b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 5b USDA.