What plant hardiness zone is Fox River Valley Gardens (FRG)

Fox River Valley Gardens (FRG) is located at Lake County, Illinois (IL), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Fox River Valley Gardens (FRG) 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.