What plant hardiness zone is Grand Chain

Grand Chain is located at Pulaski County, Illinois (IL), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Grand Chain is 7a by the USDA scale.

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

Plants of 7a USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 7a USDA.