What plant hardiness zone is Naperville

Naperville is located at DuPage County, Illinois (IL), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Naperville 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.