What plant hardiness zone is Coal Valley

Coal Valley is located at Rock Island County, Illinois (IL), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Coal Valley 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.