What plant hardiness zone is Sperry
Sperry is located at Des Moines County, Iowa (IA), USA.
Plant hardiness zone (winter frost zone or gardening zone) for Sperry 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.
Sperry, Iowa @ wikipedia.