Iowa 1990 USDA Hardiness Zone Map

View the new 2023 Iowa Hardiness Zone Map

Zone 4a
-30°F to -25°F
Zone 4b
-25°F to -20°F
Zone 5a
-20°F to -15°F

Based on the 1990 USDA Hardiness Zone Map, this interactive version covers the state of Iowa which ranges from USDA Zone 4a to USDA Zone 6a.

1990 USDA Hardiness Zone Maps for Neighboring States and Provinces

  • Illinois Interactive USDA 1990 Hardiness Zone Map
  • Minnesota Interactive USDA 1990 Hardiness Zone Map
  • Missouri Interactive USDA 1990 Hardiness Zone Map
  • Nebraska Interactive USDA 1990 Hardiness Zone Map
  • South Dakota Interactive USDA 1990 Hardiness Zone Map
  • Wisconsin Interactive USDA 1990 Hardiness Zone Map

Related Iowa Maps:

  • Iowa 2012 USDA Hardiness Zone Map
  • Iowa First Frost Date Map
  • Iowa Last Frost Date Map
  • Map of Iowa Record High/Low Temperatures
  • Iowa Interactive Drought Monitor Map
  • Iowa Drought Index Map
  • Iowa Ecoregions
  • Iowa Heat Zones Map

List of 1990 Hardiness Zones for Cities in Iowa

LocationHardiness Zone
AckleyZone 5a: -20°F to -15°F
AckworthZone 5a: -20°F to -15°F
AdairZone 5a: -20°F to -15°F
AdelZone 5a: -20°F to -15°F
AftonZone 5a: -20°F to -15°F
AgencyZone 5a: -20°F to -15°F
AinsworthZone 5a: -20°F to -15°F
AkronZone 4b: -25°F to -20°F
Albert CityZone 4b: -25°F to -20°F
AlbiaZone 5a: -20°F to -15°F
AlbionZone 4b: -25°F to -20°F
AlburnettZone 4b: -25°F to -20°F
AldenZone 5a: -20°F to -15°F
AlexanderZone 4b: -25°F to -20°F
AlgonaZone 4b: -25°F to -20°F
AllemanZone 5a: -20°F to -15°F
AllendorfZone 4b: -25°F to -20°F
AllertonZone 5a: -20°F to -15°F
AllisonZone 4b: -25°F to -20°F
AltaZone 4b: -25°F to -20°F
Alta VistaZone 4b: -25°F to -20°F
AltonZone 4b: -25°F to -20°F
AltoonaZone 5a: -20°F to -15°F
AlvordZone 4b: -25°F to -20°F
AmanaZone 5a: -20°F to -15°F
AmesZone 5a: -20°F to -15°F
AnamosaZone 4b: -25°F to -20°F
AndersonZone 5a: -20°F to -15°F
AndoverZone 5a: -20°F to -15°F
AndrewZone 5a: -20°F to -15°F
AnitaZone 5a: -20°F to -15°F
AnkenyZone 5a: -20°F to -15°F
AnthonZone 4b: -25°F to -20°F
AplingtonZone 4b: -25°F to -20°F
ArcadiaZone 4b: -25°F to -20°F
ArcherZone 4b: -25°F to -20°F
AredaleZone 4b: -25°F to -20°F
ArgyleZone 5a: -20°F to -15°F
ArionZone 5a: -20°F to -15°F
ArispeZone 5a: -20°F to -15°F
ArlingtonZone 4a: -30°F to -25°F
ArmstrongZone 4b: -25°F to -20°F
Arnolds ParkZone 4b: -25°F to -20°F
ArthurZone 4b: -25°F to -20°F
AsburyZone 4b: -25°F to -20°F
AshtonZone 4b: -25°F to -20°F
AspinwallZone 5a: -20°F to -15°F
AtalissaZone 5a: -20°F to -15°F
AthelstanZone 5a: -20°F to -15°F
AtkinsZone 5a: -20°F to -15°F
AtlanticZone 4b: -25°F to -20°F
AuburnZone 4b: -25°F to -20°F
AudubonZone 5a: -20°F to -15°F
AureliaZone 4b: -25°F to -20°F
AuroraZone 4b: -25°F to -20°F
AustinvilleZone 4b: -25°F to -20°F
AvocaZone 4b: -25°F to -20°F
AyrshireZone 4b: -25°F to -20°F
BadgerZone 4b: -25°F to -20°F
BagleyZone 5a: -20°F to -15°F
BaldwinZone 4b: -25°F to -20°F
BalltownZone 4b: -25°F to -20°F
BancroftZone 4b: -25°F to -20°F
BankstonZone 4b: -25°F to -20°F
Barnes CityZone 5a: -20°F to -15°F
BarnumZone 4b: -25°F to -20°F
BartlettZone 5a: -20°F to -15°F
BassettZone 4b: -25°F to -20°F
BataviaZone 5a: -20°F to -15°F
Battle CreekZone 4b: -25°F to -20°F
BaxterZone 5a: -20°F to -15°F
BayardZone 5a: -20°F to -15°F
BeaconZone 5a: -20°F to -15°F
BeaconsfieldZone 5a: -20°F to -15°F
BeamanZone 4b: -25°F to -20°F
BeaverZone 4b: -25°F to -20°F
BeaverdaleZone 5a: -20°F to -15°F
BedfordZone 4b: -25°F to -20°F
Belle PlaineZone 5a: -20°F to -15°F
BellevueZone 5a: -20°F to -15°F
BelmondZone 4b: -25°F to -20°F
BennettZone 5a: -20°F to -15°F
BentleyZone 4b: -25°F to -20°F
BentonZone 5a: -20°F to -15°F
BerkleyZone 4b: -25°F to -20°F
BernardZone 4b: -25°F to -20°F
BertramZone 5a: -20°F to -15°F
BerwickZone 5a: -20°F to -15°F
BettendorfZone 5a: -20°F to -15°F
BevingtonZone 4b: -25°F to -20°F
BirminghamZone 5a: -20°F to -15°F
BlairsburgZone 4b: -25°F to -20°F
BlairstownZone 5a: -20°F to -15°F
BlakesburgZone 5a: -20°F to -15°F
BlanchardZone 5a: -20°F to -15°F
BlencoeZone 5a: -20°F to -15°F
BlocktonZone 5a: -20°F to -15°F
BloomfieldZone 5a: -20°F to -15°F
Blue GrassZone 5a: -20°F to -15°F
BodeZone 4b: -25°F to -20°F
BolanZone 4b: -25°F to -20°F
BonaparteZone 5a: -20°F to -15°F
BondurantZone 5a: -20°F to -15°F
BooneZone 4b: -25°F to -20°F
BoonevilleZone 5a: -20°F to -15°F
BoutonZone 4b: -25°F to -20°F
BoxholmZone 4b: -25°F to -20°F
BoydenZone 4b: -25°F to -20°F
BoyerZone 4b: -25°F to -20°F
BraddyvilleZone 4b: -25°F to -20°F
BradfordZone 4b: -25°F to -20°F
BradgateZone 4b: -25°F to -20°F
BrandonZone 4b: -25°F to -20°F
BraytonZone 5a: -20°F to -15°F
BredaZone 4b: -25°F to -20°F
BridgewaterZone 5a: -20°F to -15°F
BrightonZone 5a: -20°F to -15°F
BristowZone 4b: -25°F to -20°F
BrittZone 4b: -25°F to -20°F
BronsonZone 4b: -25°F to -20°F
BrooklynZone 5a: -20°F to -15°F
BrunsvilleZone 4b: -25°F to -20°F
BryantZone 5a: -20°F to -15°F
Buck GroveZone 5a: -20°F to -15°F
BuckeyeZone 5a: -20°F to -15°F
BuckinghamZone 4b: -25°F to -20°F
BuffaloZone 5a: -20°F to -15°F
Buffalo CenterZone 4b: -25°F to -20°F
BurchinalZone 4b: -25°F to -20°F
BurlingtonZone 5a: -20°F to -15°F
BurnsideZone 4b: -25°F to -20°F
Burr OakZone 4b: -25°F to -20°F
BurtZone 4b: -25°F to -20°F
BusseyZone 5a: -20°F to -15°F
CalamusZone 5a: -20°F to -15°F
California JunctionZone 5a: -20°F to -15°F
CallenderZone 4b: -25°F to -20°F
CalmarZone 4b: -25°F to -20°F
CalumetZone 4b: -25°F to -20°F
CamancheZone 5a: -20°F to -15°F
CambridgeZone 5a: -20°F to -15°F
CantrilZone 5a: -20°F to -15°F
CarbonZone 4b: -25°F to -20°F
CarlisleZone 5a: -20°F to -15°F
CarpenterZone 4b: -25°F to -20°F
CarrollZone 4b: -25°F to -20°F
CarsonZone 4b: -25°F to -20°F
Carter LakeZone 5a: -20°F to -15°F
CascadeZone 4b: -25°F to -20°F
CaseyZone 5a: -20°F to -15°F
CastaliaZone 4b: -25°F to -20°F
CastanaZone 4b: -25°F to -20°F
CedarZone 5a: -20°F to -15°F
Cedar FallsZone 4b: -25°F to -20°F
Cedar RapidsZone 5a: -20°F to -15°F
Center JunctionZone 4b: -25°F to -20°F
Center PointZone 4b: -25°F to -20°F
CentervilleZone 5a: -20°F to -15°F
Central CityZone 4b: -25°F to -20°F
CentraliaZone 4b: -25°F to -20°F
ChapinZone 4b: -25°F to -20°F
CharitonZone 5a: -20°F to -15°F
Charles CityZone 4b: -25°F to -20°F
CharlotteZone 5a: -20°F to -15°F
Charter OakZone 5a: -20°F to -15°F
ChatsworthZone 4b: -25°F to -20°F
ChelseaZone 4b: -25°F to -20°F
CherokeeZone 4b: -25°F to -20°F
ChesterZone 4b: -25°F to -20°F
ChillicotheZone 5a: -20°F to -15°F
ChurdanZone 4b: -25°F to -20°F
CincinnatiZone 5a: -20°F to -15°F
ClareZone 4b: -25°F to -20°F
ClarenceZone 5a: -20°F to -15°F
ClarindaZone 4b: -25°F to -20°F
ClarionZone 4b: -25°F to -20°F
ClarksvilleZone 4b: -25°F to -20°F
ClaytonZone 4b: -25°F to -20°F
Clear LakeZone 4b: -25°F to -20°F
ClearfieldZone 5a: -20°F to -15°F
CleghornZone 4b: -25°F to -20°F
ClemonsZone 5a: -20°F to -15°F
ClermontZone 4b: -25°F to -20°F
Climbing HillZone 4b: -25°F to -20°F
ClintonZone 5a: -20°F to -15°F
Clinton Stock YardsZone 5a: -20°F to -15°F
ClioZone 5a: -20°F to -15°F
CliveZone 5a: -20°F to -15°F
ClutierZone 4b: -25°F to -20°F
CoalvilleZone 4b: -25°F to -20°F
CoburgZone 5a: -20°F to -15°F
CoggonZone 4b: -25°F to -20°F
CoinZone 5a: -20°F to -15°F
ColesburgZone 4b: -25°F to -20°F
ColfaxZone 5a: -20°F to -15°F
College SpringsZone 4b: -25°F to -20°F
CollinsZone 5a: -20°F to -15°F
ColoZone 5a: -20°F to -15°F
ColumbiaZone 5a: -20°F to -15°F
Columbus CityZone 5a: -20°F to -15°F
Columbus JctZone 5a: -20°F to -15°F
Columbus JunctionZone 5a: -20°F to -15°F
ColwellZone 4b: -25°F to -20°F
ConesvilleZone 5a: -20°F to -15°F
ConradZone 4b: -25°F to -20°F
ConroyZone 5a: -20°F to -15°F
ConwayZone 5a: -20°F to -15°F
Coon RapidsZone 5a: -20°F to -15°F
CooperZone 5a: -20°F to -15°F
CoppockZone 5a: -20°F to -15°F
CoralvilleZone 5a: -20°F to -15°F
CorleyZone 4b: -25°F to -20°F
CorningZone 4b: -25°F to -20°F
CorrectionvilleZone 4b: -25°F to -20°F
CorwithZone 4b: -25°F to -20°F
CorydonZone 5a: -20°F to -15°F
CotterZone 5a: -20°F to -15°F
CoulterZone 4b: -25°F to -20°F
Council BluffsZone 4b: -25°F to -20°F
CraigZone 4b: -25°F to -20°F
CrawfordsvilleZone 5a: -20°F to -15°F
CrescentZone 4b: -25°F to -20°F
CrescoZone 4b: -25°F to -20°F
CrestonZone 5a: -20°F to -15°F
CromwellZone 5a: -20°F to -15°F
Crystal LakeZone 4b: -25°F to -20°F
CumberlandZone 4b: -25°F to -20°F
CummingZone 4b: -25°F to -20°F
CurlewZone 4b: -25°F to -20°F
CushingZone 4b: -25°F to -20°F
CylinderZone 4b: -25°F to -20°F
Dakota CityZone 4b: -25°F to -20°F
DallasZone 5a: -20°F to -15°F
Dallas CenterZone 5a: -20°F to -15°F
DanaZone 4b: -25°F to -20°F
DanburyZone 4b: -25°F to -20°F
DanvilleZone 5a: -20°F to -15°F
DavenportZone 5a: -20°F to -15°F
Davis CityZone 5a: -20°F to -15°F
DawsonZone 4b: -25°F to -20°F
DaytonZone 4b: -25°F to -20°F
De SotoZone 5a: -20°F to -15°F
De WittZone 5a: -20°F to -15°F
DecaturZone 5a: -20°F to -15°F
DecorahZone 4b: -25°F to -20°F
DedhamZone 5a: -20°F to -15°F
Deep RiverZone 5a: -20°F to -15°F
DefianceZone 4b: -25°F to -20°F
DelawareZone 4b: -25°F to -20°F
DelhiZone 4b: -25°F to -20°F
DelmarZone 5a: -20°F to -15°F
DeloitZone 5a: -20°F to -15°F
DelphosZone 5a: -20°F to -15°F
DeltaZone 5a: -20°F to -15°F
DenisonZone 5a: -20°F to -15°F
DenmarkZone 5a: -20°F to -15°F
DenverZone 4b: -25°F to -20°F
DerbyZone 5a: -20°F to -15°F
Des MoinesZone 5a: -20°F to -15°F
DewarZone 4b: -25°F to -20°F
DexterZone 5a: -20°F to -15°F
DiagonalZone 5a: -20°F to -15°F
DickensZone 4b: -25°F to -20°F
DikeZone 4b: -25°F to -20°F
DixonZone 5a: -20°F to -15°F
DolliverZone 4b: -25°F to -20°F
DonahueZone 5a: -20°F to -15°F
DonnanZone 4b: -25°F to -20°F
DonnellsonZone 5a: -20°F to -15°F
DoonZone 4b: -25°F to -20°F
DorchesterZone 4b: -25°F to -20°F
DoudsZone 5a: -20°F to -15°F
DoughertyZone 4b: -25°F to -20°F
Dow CityZone 5a: -20°F to -15°F
DowsZone 4b: -25°F to -20°F
DrakesvilleZone 5a: -20°F to -15°F
DubuqueZone 5a: -20°F to -15°F
DumontZone 4b: -25°F to -20°F
DuncanZone 4b: -25°F to -20°F
DuncombeZone 4b: -25°F to -20°F
DundeeZone 4b: -25°F to -20°F
DunkertonZone 4b: -25°F to -20°F
DunlapZone 4b: -25°F to -20°F
DurangoZone 4b: -25°F to -20°F
DurantZone 5a: -20°F to -15°F
DyersvilleZone 4b: -25°F to -20°F
DysartZone 4b: -25°F to -20°F
Eagle GroveZone 4b: -25°F to -20°F
EarlhamZone 5a: -20°F to -15°F
EarlingZone 4b: -25°F to -20°F
EarlvilleZone 4b: -25°F to -20°F
EarlyZone 4b: -25°F to -20°F
East AmanaZone 5a: -20°F to -15°F
East PeruZone 5a: -20°F to -15°F
East Pleasant PlainZone 5a: -20°F to -15°F
EddyvilleZone 5a: -20°F to -15°F
EdgewoodZone 4b: -25°F to -20°F
ElberonZone 4b: -25°F to -20°F
EldonZone 5a: -20°F to -15°F
EldoraZone 5a: -20°F to -15°F
EldridgeZone 5a: -20°F to -15°F
ElginZone 4b: -25°F to -20°F
Elk HornZone 4b: -25°F to -20°F
Elk Run HeightsZone 4b: -25°F to -20°F
ElkaderZone 4b: -25°F to -20°F
ElkhartZone 5a: -20°F to -15°F
ElkportZone 4b: -25°F to -20°F
ElliottZone 4b: -25°F to -20°F
EllstonZone 5a: -20°F to -15°F
EllsworthZone 5a: -20°F to -15°F
ElmaZone 4b: -25°F to -20°F
ElwoodZone 4b: -25°F to -20°F
ElyZone 5a: -20°F to -15°F
EmersonZone 4b: -25°F to -20°F
EmmetsburgZone 4b: -25°F to -20°F
EpworthZone 4b: -25°F to -20°F
EssexZone 5a: -20°F to -15°F
EsthervilleZone 4b: -25°F to -20°F
EvansdaleZone 4b: -25°F to -20°F
EverlyZone 4b: -25°F to -20°F
ExiraZone 5a: -20°F to -15°F
ExlineZone 5a: -20°F to -15°F
FairbankZone 4b: -25°F to -20°F
FairfaxZone 5a: -20°F to -15°F
FairfieldZone 5a: -20°F to -15°F
FarleyZone 4b: -25°F to -20°F
FarmersburgZone 4b: -25°F to -20°F
FarmingtonZone 5a: -20°F to -15°F
FarnhamvilleZone 4b: -25°F to -20°F
FarragutZone 5a: -20°F to -15°F
FayetteZone 4a: -30°F to -25°F
FentonZone 4b: -25°F to -20°F
FergusonZone 4b: -25°F to -20°F
FertileZone 4b: -25°F to -20°F
FlorisZone 5a: -20°F to -15°F
FloydZone 4b: -25°F to -20°F
FondaZone 4b: -25°F to -20°F
FontanelleZone 5a: -20°F to -15°F
Forest CityZone 4b: -25°F to -20°F
Fort AtkinsonZone 4b: -25°F to -20°F
Fort DodgeZone 4b: -25°F to -20°F
Fort MadisonZone 5a: -20°F to -15°F
FostoriaZone 4b: -25°F to -20°F
FranklinZone 5a: -20°F to -15°F
FraserZone 4b: -25°F to -20°F
FredericksburgZone 4b: -25°F to -20°F
FrederikaZone 4b: -25°F to -20°F
FredoniaZone 5a: -20°F to -15°F
FremontZone 5a: -20°F to -15°F
FruitlandZone 5a: -20°F to -15°F
FrytownZone 5a: -20°F to -15°F
GaltZone 4b: -25°F to -20°F
GalvaZone 4b: -25°F to -20°F
GarberZone 4b: -25°F to -20°F
Garden CityZone 5a: -20°F to -15°F
Garden GroveZone 5a: -20°F to -15°F
GarnavilloZone 4b: -25°F to -20°F
GarnerZone 4b: -25°F to -20°F
GarrisonZone 4b: -25°F to -20°F
GarwinZone 4b: -25°F to -20°F
GenevaZone 4b: -25°F to -20°F
GeorgeZone 4b: -25°F to -20°F
GibsonZone 5a: -20°F to -15°F
GiffordZone 5a: -20°F to -15°F
GilbertZone 5a: -20°F to -15°F
GilbertvilleZone 4b: -25°F to -20°F
Gillett GroveZone 4b: -25°F to -20°F
GilmanZone 4b: -25°F to -20°F
Gilmore CityZone 4b: -25°F to -20°F
GladbrookZone 4b: -25°F to -20°F
GlenwoodZone 4b: -25°F to -20°F
GliddenZone 4b: -25°F to -20°F
GoldfieldZone 4b: -25°F to -20°F
GoodellZone 4b: -25°F to -20°F
Goose LakeZone 5a: -20°F to -15°F
GowrieZone 4b: -25°F to -20°F
GraettingerZone 4b: -25°F to -20°F
GrafZone 4b: -25°F to -20°F
GraftonZone 4b: -25°F to -20°F
Grand JunctionZone 4b: -25°F to -20°F
Grand MoundZone 5a: -20°F to -15°F
Grand RiverZone 5a: -20°F to -15°F
GrandviewZone 5a: -20°F to -15°F
GrangerZone 5a: -20°F to -15°F
GrantZone 4b: -25°F to -20°F
GranvilleZone 4b: -25°F to -20°F
GravityZone 4b: -25°F to -20°F
GrayZone 5a: -20°F to -15°F
GreeleyZone 4b: -25°F to -20°F
Green IslandZone 5a: -20°F to -15°F
Green MountainZone 4b: -25°F to -20°F
GreeneZone 4b: -25°F to -20°F
GreenfieldZone 5a: -20°F to -15°F
GreenvilleZone 4b: -25°F to -20°F
GrimesZone 5a: -20°F to -15°F
GrinnellZone 4b: -25°F to -20°F
GriswoldZone 4b: -25°F to -20°F
Grundy CenterZone 4b: -25°F to -20°F
GruverZone 4b: -25°F to -20°F
GuernseyZone 5a: -20°F to -15°F
Guthrie CenterZone 5a: -20°F to -15°F
GuttenbergZone 4b: -25°F to -20°F
HalburZone 4b: -25°F to -20°F
HamburgZone 5a: -20°F to -15°F
HamiltonZone 5a: -20°F to -15°F
HamlinZone 5a: -20°F to -15°F
HamptonZone 4b: -25°F to -20°F
HancockZone 4b: -25°F to -20°F
HanlontownZone 4b: -25°F to -20°F
HansellZone 4b: -25°F to -20°F
HarcourtZone 4b: -25°F to -20°F
HardyZone 4b: -25°F to -20°F
HarlanZone 4b: -25°F to -20°F
HarperZone 5a: -20°F to -15°F
Harpers FerryZone 4b: -25°F to -20°F
HarrisZone 4b: -25°F to -20°F
HartfordZone 5a: -20°F to -15°F
HartleyZone 4b: -25°F to -20°F
HartwickZone 5a: -20°F to -15°F
HarveyZone 5a: -20°F to -15°F
HastingsZone 4b: -25°F to -20°F
HavelockZone 4b: -25°F to -20°F
HaverhillZone 4b: -25°F to -20°F
HawardenZone 4b: -25°F to -20°F
HawkeyeZone 4b: -25°F to -20°F
HayesvilleZone 5a: -20°F to -15°F
HayfieldZone 4b: -25°F to -20°F
HazletonZone 4b: -25°F to -20°F
HedrickZone 5a: -20°F to -15°F
HendersonZone 4b: -25°F to -20°F
HepburnZone 4b: -25°F to -20°F
HiawathaZone 5a: -20°F to -15°F
High AmanaZone 5a: -20°F to -15°F
HighlandvilleZone 4b: -25°F to -20°F
HillsZone 5a: -20°F to -15°F
HillsboroZone 5a: -20°F to -15°F
HintonZone 4b: -25°F to -20°F
HollandZone 5a: -20°F to -15°F
HolsteinZone 4b: -25°F to -20°F
Holy CrossZone 4b: -25°F to -20°F
HomesteadZone 5a: -20°F to -15°F
Honey CreekZone 4b: -25°F to -20°F
HopkintonZone 4b: -25°F to -20°F
HornickZone 4b: -25°F to -20°F
HospersZone 4b: -25°F to -20°F
HoughtonZone 5a: -20°F to -15°F
HubbardZone 5a: -20°F to -15°F
HudsonZone 4b: -25°F to -20°F
HullZone 4b: -25°F to -20°F
HumboldtZone 4b: -25°F to -20°F
HumestonZone 5a: -20°F to -15°F
HutchinsZone 4b: -25°F to -20°F
HuxleyZone 5a: -20°F to -15°F
Ida GroveZone 4b: -25°F to -20°F
ImogeneZone 5a: -20°F to -15°F
IndependenceZone 4b: -25°F to -20°F
IndianolaZone 4b: -25°F to -20°F
InwoodZone 4b: -25°F to -20°F
IoniaZone 4b: -25°F to -20°F
Iowa CityZone 5a: -20°F to -15°F
Iowa FallsZone 5a: -20°F to -15°F
IraZone 5a: -20°F to -15°F
IretonZone 4b: -25°F to -20°F
IrvingtonZone 4b: -25°F to -20°F
IrwinZone 5a: -20°F to -15°F
Jackson JunctionZone 4b: -25°F to -20°F
JacksonvilleZone 4b: -25°F to -20°F
JamaicaZone 5a: -20°F to -15°F
JanesvilleZone 4b: -25°F to -20°F
JeffersonZone 5a: -20°F to -15°F
JesupZone 4b: -25°F to -20°F
JewellZone 4b: -25°F to -20°F
JohnstonZone 5a: -20°F to -15°F
JoiceZone 4b: -25°F to -20°F
JolleyZone 4b: -25°F to -20°F
KalonaZone 5a: -20°F to -15°F
KamrarZone 4b: -25°F to -20°F
KanawhaZone 4b: -25°F to -20°F
KellertonZone 5a: -20°F to -15°F
KelleyZone 5a: -20°F to -15°F
KelloggZone 4b: -25°F to -20°F
KensettZone 4b: -25°F to -20°F
KentZone 5a: -20°F to -15°F
KeokukZone 5a: -20°F to -15°F
Keomah VillageZone 5a: -20°F to -15°F
KeosauquaZone 5a: -20°F to -15°F
KeotaZone 5a: -20°F to -15°F
KesleyZone 4b: -25°F to -20°F
KeswickZone 5a: -20°F to -15°F
KeystoneZone 5a: -20°F to -15°F
KillduffZone 5a: -20°F to -15°F
KimballtonZone 4b: -25°F to -20°F
KingsleyZone 4b: -25°F to -20°F
KinrossZone 5a: -20°F to -15°F
KirkmanZone 4b: -25°F to -20°F
KirkvilleZone 5a: -20°F to -15°F
KironZone 4b: -25°F to -20°F
KlemmeZone 4b: -25°F to -20°F
KnierimZone 4b: -25°F to -20°F
KnoxvilleZone 5a: -20°F to -15°F
La MotteZone 5a: -20°F to -15°F
La Porte CityZone 4b: -25°F to -20°F
LaconaZone 5a: -20°F to -15°F
LadoraZone 5a: -20°F to -15°F
Lake CityZone 4b: -25°F to -20°F
Lake MillsZone 4b: -25°F to -20°F
Lake ParkZone 4b: -25°F to -20°F
Lake ViewZone 4b: -25°F to -20°F
LakesideZone 4b: -25°F to -20°F
LakotaZone 4b: -25°F to -20°F
Lambs GroveZone 5a: -20°F to -15°F
LamoniZone 5a: -20°F to -15°F
LamontZone 4b: -25°F to -20°F
LanesboroZone 4b: -25°F to -20°F
LangworthyZone 4b: -25°F to -20°F
LansingZone 4b: -25°F to -20°F
LarchwoodZone 4b: -25°F to -20°F
LarrabeeZone 4b: -25°F to -20°F
LatimerZone 4b: -25°F to -20°F
LaurelZone 4b: -25°F to -20°F
LaurensZone 4b: -25°F to -20°F
LawlerZone 4b: -25°F to -20°F
LawtonZone 4b: -25°F to -20°F
Le ClaireZone 5a: -20°F to -15°F
Le GrandZone 4b: -25°F to -20°F
Le MarsZone 4b: -25°F to -20°F
Le RoyZone 5a: -20°F to -15°F
LeandoZone 5a: -20°F to -15°F
LedyardZone 4b: -25°F to -20°F
LehighZone 4b: -25°F to -20°F
LeightonZone 5a: -20°F to -15°F
LelandZone 4b: -25°F to -20°F
LenoxZone 5a: -20°F to -15°F
LeonZone 5a: -20°F to -15°F
LesterZone 4b: -25°F to -20°F
LettsZone 5a: -20°F to -15°F
LewisZone 4b: -25°F to -20°F
Liberty CenterZone 5a: -20°F to -15°F
LibertyvilleZone 5a: -20°F to -15°F
LidderdaleZone 4b: -25°F to -20°F
Lime SpringsZone 4b: -25°F to -20°F
LincolnZone 4b: -25°F to -20°F
LindenZone 5a: -20°F to -15°F
LinevilleZone 5a: -20°F to -15°F
Linn GroveZone 4b: -25°F to -20°F
LisbonZone 5a: -20°F to -15°F
LiscombZone 5a: -20°F to -15°F
Little CedarZone 4b: -25°F to -20°F
Little RockZone 4b: -25°F to -20°F
Little SiouxZone 5a: -20°F to -15°F
LittleportZone 4b: -25°F to -20°F
LivermoreZone 4b: -25°F to -20°F
LockridgeZone 5a: -20°F to -15°F
LoganZone 4b: -25°F to -20°F
LohrvilleZone 4b: -25°F to -20°F
Lone RockZone 4b: -25°F to -20°F
Lone TreeZone 5a: -20°F to -15°F
Long GroveZone 5a: -20°F to -15°F
LorimorZone 5a: -20°F to -15°F
Lost NationZone 4b: -25°F to -20°F
LovelandZone 4b: -25°F to -20°F
LoviliaZone 5a: -20°F to -15°F
Low MoorZone 5a: -20°F to -15°F
LowdenZone 5a: -20°F to -15°F
Lu VerneZone 4b: -25°F to -20°F
LuanaZone 4b: -25°F to -20°F
LucasZone 5a: -20°F to -15°F
LutherZone 4b: -25°F to -20°F
LuxemburgZone 4b: -25°F to -20°F
LuzerneZone 5a: -20°F to -15°F
LynnvilleZone 5a: -20°F to -15°F
LyttonZone 4b: -25°F to -20°F
MacedoniaZone 4b: -25°F to -20°F
MacksburgZone 5a: -20°F to -15°F
MadridZone 5a: -20°F to -15°F
MagnoliaZone 4b: -25°F to -20°F
Maharishi Vedic CityZone 5a: -20°F to -15°F
MalcomZone 5a: -20°F to -15°F
MallardZone 4b: -25°F to -20°F
MaloyZone 5a: -20°F to -15°F
MalvernZone 4b: -25°F to -20°F
ManchesterZone 4b: -25°F to -20°F
ManillaZone 5a: -20°F to -15°F
ManlyZone 4b: -25°F to -20°F
ManningZone 5a: -20°F to -15°F
MansonZone 4b: -25°F to -20°F
MapletonZone 4b: -25°F to -20°F
MaquoketaZone 4b: -25°F to -20°F
MarathonZone 4b: -25°F to -20°F
Marble RockZone 4b: -25°F to -20°F
MarcusZone 4b: -25°F to -20°F
MarengoZone 5a: -20°F to -15°F
MarionZone 5a: -20°F to -15°F
MarneZone 4b: -25°F to -20°F
MarquetteZone 4b: -25°F to -20°F
MarshalltownZone 4b: -25°F to -20°F
MartelleZone 4b: -25°F to -20°F
MartensdaleZone 4b: -25°F to -20°F
MartinsburgZone 5a: -20°F to -15°F
MarysvilleZone 5a: -20°F to -15°F
Mason CityZone 4b: -25°F to -20°F
MasonvilleZone 4b: -25°F to -20°F
MassenaZone 4b: -25°F to -20°F
MatlockZone 4b: -25°F to -20°F
MauriceZone 4b: -25°F to -20°F
MaxwellZone 5a: -20°F to -15°F
May CityZone 4b: -25°F to -20°F
MaynardZone 4a: -30°F to -25°F
MaysvilleZone 5a: -20°F to -15°F
McCallsburgZone 5a: -20°F to -15°F
McCauslandZone 5a: -20°F to -15°F
McClellandZone 4b: -25°F to -20°F
McGregorZone 4b: -25°F to -20°F
McIntireZone 4b: -25°F to -20°F
MechanicsvilleZone 5a: -20°F to -15°F
MediapolisZone 5a: -20°F to -15°F
MelbourneZone 4b: -25°F to -20°F
MelcherZone 5a: -20°F to -15°F
MelroseZone 5a: -20°F to -15°F
MelvinZone 4b: -25°F to -20°F
MenloZone 5a: -20°F to -15°F
MeridenZone 4b: -25°F to -20°F
MerrillZone 4b: -25°F to -20°F
MeserveyZone 4b: -25°F to -20°F
MeyerZone 4b: -25°F to -20°F
Middle AmanaZone 5a: -20°F to -15°F
MiddletownZone 5a: -20°F to -15°F
MilesZone 5a: -20°F to -15°F
MilfordZone 4b: -25°F to -20°F
MillerZone 4b: -25°F to -20°F
MillersburgZone 5a: -20°F to -15°F
MillertonZone 5a: -20°F to -15°F
MillvilleZone 4b: -25°F to -20°F
MiloZone 5a: -20°F to -15°F
MiltonZone 5a: -20°F to -15°F
MinburnZone 5a: -20°F to -15°F
MindenZone 4b: -25°F to -20°F
MineolaZone 4b: -25°F to -20°F
MingoZone 5a: -20°F to -15°F
Missouri ValleyZone 4b: -25°F to -20°F
MitchellZone 4b: -25°F to -20°F
MitchellvilleZone 5a: -20°F to -15°F
ModaleZone 5a: -20°F to -15°F
MonaZone 4b: -25°F to -20°F
MondaminZone 5a: -20°F to -15°F
MonetaZone 4b: -25°F to -20°F
MonmouthZone 4b: -25°F to -20°F
MononaZone 4b: -25°F to -20°F
MonroeZone 5a: -20°F to -15°F
MontezumaZone 5a: -20°F to -15°F
MonticelloZone 4b: -25°F to -20°F
MontourZone 4b: -25°F to -20°F
MontpelierZone 5a: -20°F to -15°F
MontroseZone 5a: -20°F to -15°F
MoorheadZone 5a: -20°F to -15°F
MoorlandZone 4b: -25°F to -20°F
MoraviaZone 5a: -20°F to -15°F
MorleyZone 4b: -25°F to -20°F
Morning SunZone 5a: -20°F to -15°F
MorrisonZone 4b: -25°F to -20°F
MoscowZone 5a: -20°F to -15°F
MoultonZone 5a: -20°F to -15°F
Mount AuburnZone 4b: -25°F to -20°F
Mount AyrZone 5a: -20°F to -15°F
Mount PleasantZone 5a: -20°F to -15°F
Mount SterlingZone 5a: -20°F to -15°F
Mount UnionZone 5a: -20°F to -15°F
Mount VernonZone 5a: -20°F to -15°F
MovilleZone 4b: -25°F to -20°F
MurrayZone 5a: -20°F to -15°F
MuscatineZone 5a: -20°F to -15°F
MysticZone 5a: -20°F to -15°F
NashuaZone 4b: -25°F to -20°F
NemahaZone 4b: -25°F to -20°F
NeolaZone 4b: -25°F to -20°F
NevadaZone 5a: -20°F to -15°F
New AlbinZone 4b: -25°F to -20°F
New HamptonZone 4b: -25°F to -20°F
New HartfordZone 4b: -25°F to -20°F
New HavenZone 4b: -25°F to -20°F
New LibertyZone 5a: -20°F to -15°F
New LondonZone 5a: -20°F to -15°F
New MarketZone 4b: -25°F to -20°F
New ProvidenceZone 5a: -20°F to -15°F
New SharonZone 5a: -20°F to -15°F
New ViennaZone 4b: -25°F to -20°F
New VirginiaZone 5a: -20°F to -15°F
NewellZone 4b: -25°F to -20°F
NewhallZone 5a: -20°F to -15°F
NewtonZone 5a: -20°F to -15°F
NicholsZone 5a: -20°F to -15°F
NodawayZone 4b: -25°F to -20°F
Nora SpringsZone 4b: -25°F to -20°F
North Buena VistaZone 4b: -25°F to -20°F
North EnglishZone 5a: -20°F to -15°F
North LibertyZone 5a: -20°F to -15°F
North WashingtonZone 4b: -25°F to -20°F
NorthboroZone 5a: -20°F to -15°F
NorthwoodZone 4b: -25°F to -20°F
NorwalkZone 4b: -25°F to -20°F
NorwayZone 5a: -20°F to -15°F
NumaZone 5a: -20°F to -15°F
OakdaleZone 5a: -20°F to -15°F
OaklandZone 4b: -25°F to -20°F
Oakland AcresZone 4b: -25°F to -20°F
OakvilleZone 5a: -20°F to -15°F
OcheyedanZone 4b: -25°F to -20°F
OdeboltZone 4b: -25°F to -20°F
OelweinZone 4b: -25°F to -20°F
OgdenZone 4b: -25°F to -20°F
OkobojiZone 4b: -25°F to -20°F
OldsZone 5a: -20°F to -15°F
OlinZone 4b: -25°F to -20°F
OllieZone 5a: -20°F to -15°F
OnawaZone 4b: -25°F to -20°F
OneidaZone 4b: -25°F to -20°F
OnslowZone 4b: -25°F to -20°F
OranZone 4b: -25°F to -20°F
Orange CityZone 4b: -25°F to -20°F
OrchardZone 4b: -25°F to -20°F
OrientZone 5a: -20°F to -15°F
OrleansZone 4b: -25°F to -20°F
OsageZone 4b: -25°F to -20°F
OsceolaZone 5a: -20°F to -15°F
OskaloosaZone 5a: -20°F to -15°F
OssianZone 4b: -25°F to -20°F
OsterdockZone 4b: -25°F to -20°F
OthoZone 4b: -25°F to -20°F
OtleyZone 5a: -20°F to -15°F
OtoZone 4b: -25°F to -20°F
OtrantoZone 4b: -25°F to -20°F
OttosenZone 4b: -25°F to -20°F
OttumwaZone 5a: -20°F to -15°F
OwasaZone 5a: -20°F to -15°F
OxfordZone 5a: -20°F to -15°F
Oxford JunctionZone 4b: -25°F to -20°F
OyensZone 4b: -25°F to -20°F
Pacific JunctionZone 4b: -25°F to -20°F
PackwoodZone 5a: -20°F to -15°F
PalmerZone 4b: -25°F to -20°F
PaloZone 5a: -20°F to -15°F
PanamaZone 4b: -25°F to -20°F
PanoraZone 5a: -20°F to -15°F
Panorama ParkZone 5a: -20°F to -15°F
Park ViewZone 5a: -20°F to -15°F
ParkersburgZone 4b: -25°F to -20°F
ParnellZone 5a: -20°F to -15°F
PatonZone 4b: -25°F to -20°F
PattersonZone 5a: -20°F to -15°F
PaullinaZone 4b: -25°F to -20°F
PellaZone 5a: -20°F to -15°F
PeostaZone 4b: -25°F to -20°F
PercivalZone 5a: -20°F to -15°F
PerryZone 4b: -25°F to -20°F
PersiaZone 4b: -25°F to -20°F
PeruZone 5a: -20°F to -15°F
PetersonZone 4b: -25°F to -20°F
PiersonZone 4b: -25°F to -20°F
Pilot GroveZone 5a: -20°F to -15°F
Pilot MoundZone 4b: -25°F to -20°F
PioneerZone 4b: -25°F to -20°F
PisgahZone 4b: -25°F to -20°F
PlainfieldZone 4b: -25°F to -20°F
PlanoZone 5a: -20°F to -15°F
Pleasant HillZone 5a: -20°F to -15°F
Pleasant PlainZone 5a: -20°F to -15°F
Pleasant ValleyZone 5a: -20°F to -15°F
PleasantonZone 5a: -20°F to -15°F
PleasantvilleZone 5a: -20°F to -15°F
PloverZone 4b: -25°F to -20°F
PlymouthZone 4b: -25°F to -20°F
PocahontasZone 4b: -25°F to -20°F
Polk CityZone 5a: -20°F to -15°F
PomeroyZone 4b: -25°F to -20°F
PopejoyZone 4b: -25°F to -20°F
PortlandZone 4b: -25°F to -20°F
PortsmouthZone 4b: -25°F to -20°F
PostvilleZone 4b: -25°F to -20°F
Prairie CityZone 5a: -20°F to -15°F
PrairieburgZone 4b: -25°F to -20°F
PrescottZone 5a: -20°F to -15°F
PrestonZone 5a: -20°F to -15°F
PrimgharZone 4b: -25°F to -20°F
PrincetonZone 5a: -20°F to -15°F
ProleZone 4b: -25°F to -20°F
Promise CityZone 5a: -20°F to -15°F
ProtivinZone 4b: -25°F to -20°F
PulaskiZone 5a: -20°F to -15°F
QuasquetonZone 4b: -25°F to -20°F
QuimbyZone 4b: -25°F to -20°F
RadcliffeZone 5a: -20°F to -15°F
RakeZone 4b: -25°F to -20°F
RalstonZone 5a: -20°F to -15°F
RandaliaZone 4a: -30°F to -25°F
RandallZone 5a: -20°F to -15°F
RandolphZone 4b: -25°F to -20°F
RathbunZone 5a: -20°F to -15°F
RaymondZone 4b: -25°F to -20°F
ReadlynZone 4b: -25°F to -20°F
ReasnorZone 5a: -20°F to -15°F
Red OakZone 4b: -25°F to -20°F
ReddingZone 5a: -20°F to -15°F
RedfieldZone 5a: -20°F to -15°F
ReinbeckZone 4b: -25°F to -20°F
RembrandtZone 4b: -25°F to -20°F
RemsenZone 4b: -25°F to -20°F
RenwickZone 4b: -25°F to -20°F
RhodesZone 5a: -20°F to -15°F
RicevilleZone 4b: -25°F to -20°F
RichlandZone 5a: -20°F to -15°F
RickardsvilleZone 4b: -25°F to -20°F
RickettsZone 4b: -25°F to -20°F
RidgewayZone 4b: -25°F to -20°F
RinardZone 4b: -25°F to -20°F
RingstedZone 4b: -25°F to -20°F
RippeyZone 4b: -25°F to -20°F
River SiouxZone 5a: -20°F to -15°F
RiverdaleZone 5a: -20°F to -15°F
RiversideZone 5a: -20°F to -15°F
RivertonZone 5a: -20°F to -15°F
RobinsZone 4b: -25°F to -20°F
RochesterZone 5a: -20°F to -15°F
Rock FallsZone 4b: -25°F to -20°F
Rock RapidsZone 4b: -25°F to -20°F
Rock ValleyZone 4b: -25°F to -20°F
RockfordZone 4b: -25°F to -20°F
RockwellZone 4b: -25°F to -20°F
Rockwell CityZone 4b: -25°F to -20°F
RodmanZone 4b: -25°F to -20°F
RodneyZone 4b: -25°F to -20°F
RolandZone 5a: -20°F to -15°F
RolfeZone 4b: -25°F to -20°F
RomeZone 5a: -20°F to -15°F
Rose HillZone 5a: -20°F to -15°F
RosevilleZone 4b: -25°F to -20°F
RossieZone 4b: -25°F to -20°F
RowanZone 4b: -25°F to -20°F
RowleyZone 4b: -25°F to -20°F
RoyalZone 4b: -25°F to -20°F
RuddZone 4b: -25°F to -20°F
RunnellsZone 5a: -20°F to -15°F
RussellZone 5a: -20°F to -15°F
RuthvenZone 4b: -25°F to -20°F
RutlandZone 4b: -25°F to -20°F
RyanZone 4b: -25°F to -20°F
SabulaZone 5a: -20°F to -15°F
Sac CityZone 4b: -25°F to -20°F
SagevilleZone 5a: -20°F to -15°F
Saint AnsgarZone 4b: -25°F to -20°F
Saint AnthonyZone 5a: -20°F to -15°F
Saint BenedictZone 4b: -25°F to -20°F
Saint CharlesZone 5a: -20°F to -15°F
Saint DonatusZone 5a: -20°F to -15°F
Saint JosephZone 4b: -25°F to -20°F
Saint LucasZone 4b: -25°F to -20°F
Saint MarysZone 4b: -25°F to -20°F
Saint OlafZone 4b: -25°F to -20°F
Saint PaulZone 5a: -20°F to -15°F
SalemZone 5a: -20°F to -15°F
SalixZone 4b: -25°F to -20°F
SanbornZone 4b: -25°F to -20°F
SandyvilleZone 5a: -20°F to -15°F
SaylorvilleZone 5a: -20°F to -15°F
ScarvilleZone 4b: -25°F to -20°F
SchallerZone 4b: -25°F to -20°F
SchleswigZone 4b: -25°F to -20°F
ScrantonZone 5a: -20°F to -15°F
SearsboroZone 5a: -20°F to -15°F
SelmaZone 5a: -20°F to -15°F
Sergeant BluffZone 4b: -25°F to -20°F
SextonZone 4b: -25°F to -20°F
SeymourZone 5a: -20°F to -15°F
ShambaughZone 4b: -25°F to -20°F
Shannon CityZone 5a: -20°F to -15°F
SharpsburgZone 5a: -20°F to -15°F
SheffieldZone 4b: -25°F to -20°F
ShelbyZone 4b: -25°F to -20°F
SheldahlZone 5a: -20°F to -15°F
SheldonZone 4b: -25°F to -20°F
Shell RockZone 4b: -25°F to -20°F
ShellsburgZone 4b: -25°F to -20°F
ShenandoahZone 5a: -20°F to -15°F
SherrillZone 4b: -25°F to -20°F
ShueyvilleZone 5a: -20°F to -15°F
SibleyZone 4b: -25°F to -20°F
SidneyZone 5a: -20°F to -15°F
SigourneyZone 5a: -20°F to -15°F
Silver CityZone 4b: -25°F to -20°F
Sioux CenterZone 4b: -25°F to -20°F
Sioux CityZone 4b: -25°F to -20°F
Sioux RapidsZone 4b: -25°F to -20°F
SlaterZone 5a: -20°F to -15°F
SloanZone 4b: -25°F to -20°F
SmithlandZone 4b: -25°F to -20°F
SoldierZone 5a: -20°F to -15°F
SolonZone 5a: -20°F to -15°F
SomersZone 4b: -25°F to -20°F
South AmanaZone 5a: -20°F to -15°F
South EnglishZone 5a: -20°F to -15°F
SpencerZone 4b: -25°F to -20°F
SperryZone 5a: -20°F to -15°F
SpillvilleZone 4b: -25°F to -20°F
Spirit LakeZone 4b: -25°F to -20°F
SpraguevilleZone 5a: -20°F to -15°F
Spring HillZone 4b: -25°F to -20°F
SpringbrookZone 5a: -20°F to -15°F
SpringvilleZone 4b: -25°F to -20°F
StacyvilleZone 4b: -25°F to -20°F
StanhopeZone 4b: -25°F to -20°F
StanleyZone 4b: -25°F to -20°F
StantonZone 4b: -25°F to -20°F
StanwoodZone 5a: -20°F to -15°F
State CenterZone 5a: -20°F to -15°F
Steamboat RockZone 5a: -20°F to -15°F
StockportZone 5a: -20°F to -15°F
StocktonZone 5a: -20°F to -15°F
Stone CityZone 4b: -25°F to -20°F
Storm LakeZone 4b: -25°F to -20°F
Story CityZone 5a: -20°F to -15°F
StoutZone 4b: -25°F to -20°F
StratfordZone 4b: -25°F to -20°F
Strawberry PointZone 4b: -25°F to -20°F
StrubleZone 4b: -25°F to -20°F
StuartZone 5a: -20°F to -15°F
SullyZone 5a: -20°F to -15°F
SumnerZone 4b: -25°F to -20°F
Sundown Mountain Ski AreaZone 4b: -25°F to -20°F
SuperiorZone 4b: -25°F to -20°F
SutherlandZone 4b: -25°F to -20°F
SwaledaleZone 4b: -25°F to -20°F
SwanZone 5a: -20°F to -15°F
Swea CityZone 4b: -25°F to -20°F
SwedesburgZone 5a: -20°F to -15°F
SwisherZone 5a: -20°F to -15°F
TaborZone 4b: -25°F to -20°F
TamaZone 4b: -25°F to -20°F
Teeds GroveZone 5a: -20°F to -15°F
TempletonZone 5a: -20°F to -15°F
TennantZone 4b: -25°F to -20°F
TerrilZone 4b: -25°F to -20°F
ThayerZone 5a: -20°F to -15°F
ThompsonZone 4b: -25°F to -20°F
ThorZone 4b: -25°F to -20°F
ThornburgZone 5a: -20°F to -15°F
ThorntonZone 4b: -25°F to -20°F
ThurmanZone 5a: -20°F to -15°F
TiffinZone 5a: -20°F to -15°F
TingleyZone 5a: -20°F to -15°F
TiptonZone 5a: -20°F to -15°F
TitonkaZone 4b: -25°F to -20°F
ToddvilleZone 4b: -25°F to -20°F
ToetervilleZone 4b: -25°F to -20°F
ToledoZone 4b: -25°F to -20°F
TorontoZone 4b: -25°F to -20°F
TracyZone 5a: -20°F to -15°F
TraerZone 4b: -25°F to -20°F
TreynorZone 4b: -25°F to -20°F
TripoliZone 4b: -25°F to -20°F
Troy MillsZone 4b: -25°F to -20°F
TruesdaleZone 4b: -25°F to -20°F
TruroZone 5a: -20°F to -15°F
TurinZone 4b: -25°F to -20°F
UdellZone 5a: -20°F to -15°F
UnderwoodZone 4b: -25°F to -20°F
UnionZone 5a: -20°F to -15°F
UnionvilleZone 5a: -20°F to -15°F
University HeightsZone 5a: -20°F to -15°F
University ParkZone 5a: -20°F to -15°F
UrbanaZone 4b: -25°F to -20°F
UrbandaleZone 5a: -20°F to -15°F
UteZone 5a: -20°F to -15°F
VailZone 5a: -20°F to -15°F
ValeriaZone 5a: -20°F to -15°F
Van HorneZone 5a: -20°F to -15°F
Van MeterZone 5a: -20°F to -15°F
Van WertZone 5a: -20°F to -15°F
VarinaZone 4b: -25°F to -20°F
VenturaZone 4b: -25°F to -20°F
VictorZone 5a: -20°F to -15°F
VilliscaZone 4b: -25°F to -20°F
VincentZone 4b: -25°F to -20°F
ViningZone 4b: -25°F to -20°F
VintonZone 4b: -25°F to -20°F
ViolaZone 4b: -25°F to -20°F
VolgaZone 4b: -25°F to -20°F
WadenaZone 4a: -30°F to -25°F
WahpetonZone 4b: -25°F to -20°F
WalcottZone 5a: -20°F to -15°F
WalfordZone 5a: -20°F to -15°F
WalkerZone 4b: -25°F to -20°F
Wall LakeZone 4b: -25°F to -20°F
WallingfordZone 4b: -25°F to -20°F
WalnutZone 4b: -25°F to -20°F
WapelloZone 5a: -20°F to -15°F
WashburnZone 4b: -25°F to -20°F
WashingtonZone 5a: -20°F to -15°F
WashtaZone 4b: -25°F to -20°F
WaterlooZone 4b: -25°F to -20°F
WatervilleZone 4b: -25°F to -20°F
WatkinsZone 5a: -20°F to -15°F
WaucomaZone 4b: -25°F to -20°F
WaukeeZone 5a: -20°F to -15°F
WaukonZone 4b: -25°F to -20°F
WaverlyZone 4b: -25°F to -20°F
WaylandZone 5a: -20°F to -15°F
WebbZone 4b: -25°F to -20°F
WebsterZone 5a: -20°F to -15°F
Webster CityZone 4b: -25°F to -20°F
WeldonZone 5a: -20°F to -15°F
WellmanZone 5a: -20°F to -15°F
WellsburgZone 5a: -20°F to -15°F
WeltmanZone 5a: -20°F to -15°F
WeltonZone 5a: -20°F to -15°F
WesleyZone 4b: -25°F to -20°F
West AmanaZone 5a: -20°F to -15°F
West BendZone 4b: -25°F to -20°F
West BranchZone 5a: -20°F to -15°F
West BurlingtonZone 5a: -20°F to -15°F
West ChesterZone 5a: -20°F to -15°F
West Des MoinesZone 5a: -20°F to -15°F
West GroveZone 5a: -20°F to -15°F
West LibertyZone 5a: -20°F to -15°F
West OkobojiZone 4b: -25°F to -20°F
West PointZone 5a: -20°F to -15°F
West UnionZone 4b: -25°F to -20°F
WestfieldZone 4b: -25°F to -20°F
WestgateZone 4b: -25°F to -20°F
WestonZone 4b: -25°F to -20°F
WestphaliaZone 4b: -25°F to -20°F
WestsideZone 4b: -25°F to -20°F
WestwoodZone 5a: -20°F to -15°F
WeverZone 5a: -20°F to -15°F
What CheerZone 5a: -20°F to -15°F
WheatlandZone 5a: -20°F to -15°F
WhitingZone 4b: -25°F to -20°F
WhittemoreZone 4b: -25°F to -20°F
WhittenZone 5a: -20°F to -15°F
WilleyZone 4b: -25°F to -20°F
WilliamsZone 4b: -25°F to -20°F
WilliamsburgZone 5a: -20°F to -15°F
WilliamsonZone 5a: -20°F to -15°F
WiltonZone 5a: -20°F to -15°F
Windsor HeightsZone 5a: -20°F to -15°F
WinfieldZone 5a: -20°F to -15°F
WintersetZone 5a: -20°F to -15°F
WinthropZone 4b: -25°F to -20°F
WiotaZone 4b: -25°F to -20°F
WodenZone 4b: -25°F to -20°F
WoodbineZone 4b: -25°F to -20°F
WoodburnZone 5a: -20°F to -15°F
WoodwardZone 4b: -25°F to -20°F
WoolstockZone 4b: -25°F to -20°F
WorthingtonZone 4b: -25°F to -20°F
WyomingZone 4b: -25°F to -20°F
YaleZone 5a: -20°F to -15°F
YarmouthZone 5a: -20°F to -15°F
YetterZone 4b: -25°F to -20°F
YorktownZone 5a: -20°F to -15°F
ZearingZone 5a: -20°F to -15°F
ZwingleZone 5a: -20°F to -15°F
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