Iowa Interactive 2012 USDA Plant Hardiness Zone Map

Based on the 2012 USDA Hardiness Zone Map, this interactive version covers the state of Iowa which ranges from USDA Zone 4b to USDA Zone 6a.

2012 USDA Hardiness Zone Maps for Neighboring States and Provinces

Related Iowa Maps:

List of 2012 Hardiness Zones for Cities in Iowa

Location	Hardiness Zone
Ackley	Zone 5a: -20°F to -15°F
Ackworth	Zone 5a: -20°F to -15°F
Adair	Zone 5a: -20°F to -15°F
Adel	Zone 5a: -20°F to -15°F
Afton	Zone 5a: -20°F to -15°F
Agency	Zone 5b: -15°F to -10°F
Ainsworth	Zone 5b: -15°F to -10°F
Akron	Zone 5a: -20°F to -15°F
Albert City	Zone 5a: -20°F to -15°F
Albia	Zone 5b: -15°F to -10°F
Albion	Zone 5a: -20°F to -15°F
Alburnett	Zone 5a: -20°F to -15°F
Alden	Zone 5a: -20°F to -15°F
Alexander	Zone 5a: -20°F to -15°F
Algona	Zone 5a: -20°F to -15°F
Alleman	Zone 5a: -20°F to -15°F
Allendorf	Zone 4b: -25°F to -20°F
Allerton	Zone 5b: -15°F to -10°F
Allison	Zone 5a: -20°F to -15°F
Alta	Zone 5a: -20°F to -15°F
Alta Vista	Zone 5a: -20°F to -15°F
Alton	Zone 5a: -20°F to -15°F
Altoona	Zone 5a: -20°F to -15°F
Alvord	Zone 4b: -25°F to -20°F
Amana	Zone 5a: -20°F to -15°F
Ames	Zone 5a: -20°F to -15°F
Anamosa	Zone 5a: -20°F to -15°F
Anderson	Zone 5b: -15°F to -10°F
Andover	Zone 5a: -20°F to -15°F
Andrew	Zone 5a: -20°F to -15°F
Anita	Zone 5a: -20°F to -15°F
Ankeny	Zone 5a: -20°F to -15°F
Anthon	Zone 5a: -20°F to -15°F
Aplington	Zone 5a: -20°F to -15°F
Arcadia	Zone 5a: -20°F to -15°F
Archer	Zone 4b: -25°F to -20°F
Aredale	Zone 5a: -20°F to -15°F
Argyle	Zone 5b: -15°F to -10°F
Arion	Zone 5a: -20°F to -15°F
Arispe	Zone 5b: -15°F to -10°F
Arlington	Zone 4b: -25°F to -20°F
Armstrong	Zone 5a: -20°F to -15°F
Arnolds Park	Zone 5a: -20°F to -15°F
Arthur	Zone 5a: -20°F to -15°F
Asbury	Zone 5a: -20°F to -15°F
Ashton	Zone 4b: -25°F to -20°F
Aspinwall	Zone 5a: -20°F to -15°F
Atalissa	Zone 5b: -15°F to -10°F
Athelstan	Zone 5b: -15°F to -10°F
Atkins	Zone 5a: -20°F to -15°F
Atlantic	Zone 5a: -20°F to -15°F
Auburn	Zone 5a: -20°F to -15°F
Audubon	Zone 5a: -20°F to -15°F
Aurelia	Zone 5a: -20°F to -15°F
Aurora	Zone 5a: -20°F to -15°F
Austinville	Zone 5a: -20°F to -15°F
Avoca	Zone 5a: -20°F to -15°F
Ayrshire	Zone 5a: -20°F to -15°F
Badger	Zone 5a: -20°F to -15°F
Bagley	Zone 5a: -20°F to -15°F
Baldwin	Zone 5a: -20°F to -15°F
Balltown	Zone 5a: -20°F to -15°F
Bancroft	Zone 5a: -20°F to -15°F
Bankston	Zone 5a: -20°F to -15°F
Barnes City	Zone 5a: -20°F to -15°F
Barnum	Zone 5a: -20°F to -15°F
Bartlett	Zone 5b: -15°F to -10°F
Bassett	Zone 5a: -20°F to -15°F
Batavia	Zone 5b: -15°F to -10°F
Battle Creek	Zone 5a: -20°F to -15°F
Baxter	Zone 5a: -20°F to -15°F
Bayard	Zone 5a: -20°F to -15°F
Beacon	Zone 5b: -15°F to -10°F
Beaconsfield	Zone 5b: -15°F to -10°F
Beaman	Zone 5a: -20°F to -15°F
Beaver	Zone 5a: -20°F to -15°F
Beaverdale	Zone 5b: -15°F to -10°F
Bedford	Zone 5a: -20°F to -15°F
Belle Plaine	Zone 5a: -20°F to -15°F
Bellevue	Zone 5a: -20°F to -15°F
Belmond	Zone 5a: -20°F to -15°F
Bennett	Zone 5a: -20°F to -15°F
Bentley	Zone 5a: -20°F to -15°F
Benton	Zone 5b: -15°F to -10°F
Berkley	Zone 5a: -20°F to -15°F
Bernard	Zone 5a: -20°F to -15°F
Bertram	Zone 5a: -20°F to -15°F
Berwick	Zone 5a: -20°F to -15°F
Bettendorf	Zone 5b: -15°F to -10°F
Bevington	Zone 5a: -20°F to -15°F
Birmingham	Zone 5b: -15°F to -10°F
Blairsburg	Zone 5a: -20°F to -15°F
Blairstown	Zone 5a: -20°F to -15°F
Blakesburg	Zone 5b: -15°F to -10°F
Blanchard	Zone 5b: -15°F to -10°F
Blencoe	Zone 5a: -20°F to -15°F
Blencoe	Zone 5a: -20°F to -15°F
Blockton	Zone 5b: -15°F to -10°F
Bloomfield	Zone 5b: -15°F to -10°F
Blue Grass	Zone 5b: -15°F to -10°F
Bode	Zone 5a: -20°F to -15°F
Bolan	Zone 5a: -20°F to -15°F
Bonaparte	Zone 5b: -15°F to -10°F
Bondurant	Zone 5a: -20°F to -15°F
Boone	Zone 5a: -20°F to -15°F
Booneville	Zone 5a: -20°F to -15°F
Bouton	Zone 5a: -20°F to -15°F
Boxholm	Zone 5a: -20°F to -15°F
Boyden	Zone 4b: -25°F to -20°F
Boyer	Zone 5a: -20°F to -15°F
Braddyville	Zone 5b: -15°F to -10°F
Bradford	Zone 5a: -20°F to -15°F
Bradgate	Zone 5a: -20°F to -15°F
Brandon	Zone 5a: -20°F to -15°F
Brayton	Zone 5a: -20°F to -15°F
Breda	Zone 5a: -20°F to -15°F
Bridgewater	Zone 5a: -20°F to -15°F
Brighton	Zone 5b: -15°F to -10°F
Bristow	Zone 5a: -20°F to -15°F
Britt	Zone 5a: -20°F to -15°F
Bronson	Zone 5a: -20°F to -15°F
Brooklyn	Zone 5a: -20°F to -15°F
Brunsville	Zone 5a: -20°F to -15°F
Bryant	Zone 5a: -20°F to -15°F
Buck Grove	Zone 5a: -20°F to -15°F
Buckeye	Zone 5a: -20°F to -15°F
Buckingham	Zone 5a: -20°F to -15°F
Buffalo	Zone 5b: -15°F to -10°F
Buffalo Center	Zone 5a: -20°F to -15°F
Burchinal	Zone 5a: -20°F to -15°F
Burlington	Zone 5b: -15°F to -10°F
Burnside	Zone 5a: -20°F to -15°F
Burr Oak	Zone 4b: -25°F to -20°F
Burt	Zone 5a: -20°F to -15°F
Bussey	Zone 5b: -15°F to -10°F
Calamus	Zone 5b: -15°F to -10°F
California Junction	Zone 5a: -20°F to -15°F
Callender	Zone 5a: -20°F to -15°F
Calmar	Zone 4b: -25°F to -20°F
Calumet	Zone 5a: -20°F to -15°F
Camanche	Zone 5b: -15°F to -10°F
Cambridge	Zone 5a: -20°F to -15°F
Cantril	Zone 5b: -15°F to -10°F
Carbon	Zone 5a: -20°F to -15°F
Carlisle	Zone 5a: -20°F to -15°F
Carpenter	Zone 4b: -25°F to -20°F
Carroll	Zone 5a: -20°F to -15°F
Carson	Zone 5a: -20°F to -15°F
Carter Lake	Zone 5b: -15°F to -10°F
Cascade	Zone 5a: -20°F to -15°F
Casey	Zone 5a: -20°F to -15°F
Castalia	Zone 4b: -25°F to -20°F
Castana	Zone 5a: -20°F to -15°F
Cedar	Zone 5b: -15°F to -10°F
Cedar Falls	Zone 5a: -20°F to -15°F
Cedar Rapids	Zone 5a: -20°F to -15°F
Center Junction	Zone 5a: -20°F to -15°F
Center Point	Zone 5a: -20°F to -15°F
Centerville	Zone 5b: -15°F to -10°F
Central City	Zone 5a: -20°F to -15°F
Centralia	Zone 5a: -20°F to -15°F
Chapin	Zone 5a: -20°F to -15°F
Chariton	Zone 5a: -20°F to -15°F
Charles City	Zone 5a: -20°F to -15°F
Charlotte	Zone 5a: -20°F to -15°F
Charter Oak	Zone 5a: -20°F to -15°F
Chatsworth	Zone 5a: -20°F to -15°F
Chelsea	Zone 5a: -20°F to -15°F
Cherokee	Zone 5a: -20°F to -15°F
Chester	Zone 4b: -25°F to -20°F
Chillicothe	Zone 5b: -15°F to -10°F
Churdan	Zone 5a: -20°F to -15°F
Cincinnati	Zone 5b: -15°F to -10°F
Clare	Zone 5a: -20°F to -15°F
Clarence	Zone 5a: -20°F to -15°F
Clarinda	Zone 5b: -15°F to -10°F
Clarion	Zone 5a: -20°F to -15°F
Clarksville	Zone 5a: -20°F to -15°F
Clayton	Zone 5a: -20°F to -15°F
Clear Lake	Zone 5a: -20°F to -15°F
Clearfield	Zone 5a: -20°F to -15°F
Cleghorn	Zone 5a: -20°F to -15°F
Clemons	Zone 5a: -20°F to -15°F
Clermont	Zone 5a: -20°F to -15°F
Climbing Hill	Zone 5a: -20°F to -15°F
Clinton	Zone 5b: -15°F to -10°F
Clinton Stock Yards	Zone 5b: -15°F to -10°F
Clio	Zone 5b: -15°F to -10°F
Clive	Zone 5a: -20°F to -15°F
Clutier	Zone 5a: -20°F to -15°F
Coalville	Zone 5a: -20°F to -15°F
Coburg	Zone 5b: -15°F to -10°F
Coggon	Zone 5a: -20°F to -15°F
Coin	Zone 5b: -15°F to -10°F
Colesburg	Zone 5a: -20°F to -15°F
Colfax	Zone 5a: -20°F to -15°F
College Springs	Zone 5b: -15°F to -10°F
Collins	Zone 5a: -20°F to -15°F
Colo	Zone 5a: -20°F to -15°F
Columbia	Zone 5b: -15°F to -10°F
Columbus City	Zone 5b: -15°F to -10°F
Columbus Jct	Zone 5b: -15°F to -10°F
Columbus Junction	Zone 5b: -15°F to -10°F
Colwell	Zone 5a: -20°F to -15°F
Conesville	Zone 5b: -15°F to -10°F
Conrad	Zone 5a: -20°F to -15°F
Conroy	Zone 5a: -20°F to -15°F
Conway	Zone 5a: -20°F to -15°F
Coon Rapids	Zone 5a: -20°F to -15°F
Cooper	Zone 5a: -20°F to -15°F
Coppock	Zone 5b: -15°F to -10°F
Coralville	Zone 5b: -15°F to -10°F
Corley	Zone 5a: -20°F to -15°F
Corning	Zone 5a: -20°F to -15°F
Correctionville	Zone 5a: -20°F to -15°F
Corwith	Zone 5a: -20°F to -15°F
Corydon	Zone 5b: -15°F to -10°F
Cotter	Zone 5b: -15°F to -10°F
Coulter	Zone 5a: -20°F to -15°F
Council Bluffs	Zone 5b: -15°F to -10°F
Craig	Zone 4b: -25°F to -20°F
Crawfordsville	Zone 5b: -15°F to -10°F
Crescent	Zone 5b: -15°F to -10°F
Cresco	Zone 4b: -25°F to -20°F
Creston	Zone 5a: -20°F to -15°F
Cromwell	Zone 5a: -20°F to -15°F
Crystal Lake	Zone 5a: -20°F to -15°F
Cumberland	Zone 5a: -20°F to -15°F
Cumming	Zone 5a: -20°F to -15°F
Curlew	Zone 5a: -20°F to -15°F
Cushing	Zone 5a: -20°F to -15°F
Cylinder	Zone 5a: -20°F to -15°F
Dakota City	Zone 5a: -20°F to -15°F
Dallas	Zone 5b: -15°F to -10°F
Dallas Center	Zone 5a: -20°F to -15°F
Dana	Zone 5a: -20°F to -15°F
Danbury	Zone 5a: -20°F to -15°F
Danville	Zone 5b: -15°F to -10°F
Davenport	Zone 5b: -15°F to -10°F
Davis City	Zone 5b: -15°F to -10°F
Dawson	Zone 5a: -20°F to -15°F
Dayton	Zone 5a: -20°F to -15°F
De Soto	Zone 5a: -20°F to -15°F
De Witt	Zone 5a: -20°F to -15°F
Decatur	Zone 5b: -15°F to -10°F
Decorah	Zone 4b: -25°F to -20°F
Dedham	Zone 5a: -20°F to -15°F
Deep River	Zone 5a: -20°F to -15°F
Defiance	Zone 5a: -20°F to -15°F
Delaware	Zone 5a: -20°F to -15°F
Delhi	Zone 5a: -20°F to -15°F
Delmar	Zone 5a: -20°F to -15°F
Deloit	Zone 5a: -20°F to -15°F
Delphos	Zone 5b: -15°F to -10°F
Delta	Zone 5b: -15°F to -10°F
Denison	Zone 5a: -20°F to -15°F
Denmark	Zone 5b: -15°F to -10°F
Denver	Zone 5a: -20°F to -15°F
Derby	Zone 5b: -15°F to -10°F
Des Moines	Zone 5b: -15°F to -10°F
Dewar	Zone 5a: -20°F to -15°F
Dexter	Zone 5a: -20°F to -15°F
Diagonal	Zone 5b: -15°F to -10°F
Dickens	Zone 5a: -20°F to -15°F
Dike	Zone 5a: -20°F to -15°F
Dixon	Zone 5b: -15°F to -10°F
Dolliver	Zone 5a: -20°F to -15°F
Donahue	Zone 5b: -15°F to -10°F
Donnan	Zone 4b: -25°F to -20°F
Donnellson	Zone 5b: -15°F to -10°F
Doon	Zone 4b: -25°F to -20°F
Dorchester	Zone 4b: -25°F to -20°F
Douds	Zone 5b: -15°F to -10°F
Dougherty	Zone 5a: -20°F to -15°F
Dow City	Zone 5a: -20°F to -15°F
Dows	Zone 5a: -20°F to -15°F
Drakesville	Zone 5b: -15°F to -10°F
Dubuque	Zone 5a: -20°F to -15°F
Dumont	Zone 5a: -20°F to -15°F
Duncan	Zone 5a: -20°F to -15°F
Duncombe	Zone 5a: -20°F to -15°F
Dundee	Zone 5a: -20°F to -15°F
Dunkerton	Zone 5a: -20°F to -15°F
Dunlap	Zone 5a: -20°F to -15°F
Durango	Zone 5a: -20°F to -15°F
Durant	Zone 5b: -15°F to -10°F
Dyersville	Zone 5a: -20°F to -15°F
Dysart	Zone 5a: -20°F to -15°F
Eagle Grove	Zone 5a: -20°F to -15°F
Earlham	Zone 5a: -20°F to -15°F
Earling	Zone 5a: -20°F to -15°F
Earlville	Zone 5a: -20°F to -15°F
Early	Zone 5a: -20°F to -15°F
East Amana	Zone 5a: -20°F to -15°F
East Peru	Zone 5a: -20°F to -15°F
East Pleasant Plain	Zone 5b: -15°F to -10°F
Eddyville	Zone 5b: -15°F to -10°F
Edgewood	Zone 4b: -25°F to -20°F
Elberon	Zone 5a: -20°F to -15°F
Eldon	Zone 5b: -15°F to -10°F
Eldora	Zone 5a: -20°F to -15°F
Eldridge	Zone 5b: -15°F to -10°F
Elgin	Zone 5a: -20°F to -15°F
Elk Horn	Zone 5a: -20°F to -15°F
Elk Run Heights	Zone 5a: -20°F to -15°F
Elkader	Zone 4b: -25°F to -20°F
Elkhart	Zone 5a: -20°F to -15°F
Elkport	Zone 5a: -20°F to -15°F
Elliott	Zone 5a: -20°F to -15°F
Ellston	Zone 5b: -15°F to -10°F
Ellsworth	Zone 5a: -20°F to -15°F
Elma	Zone 4b: -25°F to -20°F
Elwood	Zone 5a: -20°F to -15°F
Ely	Zone 5a: -20°F to -15°F
Emerson	Zone 5b: -15°F to -10°F
Emmetsburg	Zone 5a: -20°F to -15°F
Epworth	Zone 5a: -20°F to -15°F
Essex	Zone 5b: -15°F to -10°F
Estherville	Zone 5a: -20°F to -15°F
Evansdale	Zone 5a: -20°F to -15°F
Everly	Zone 5a: -20°F to -15°F
Exira	Zone 5a: -20°F to -15°F
Exline	Zone 5b: -15°F to -10°F
Fairbank	Zone 5a: -20°F to -15°F
Fairfax	Zone 5a: -20°F to -15°F
Fairfield	Zone 5b: -15°F to -10°F
Farley	Zone 5a: -20°F to -15°F
Farmersburg	Zone 4b: -25°F to -20°F
Farmington	Zone 5b: -15°F to -10°F
Farnhamville	Zone 5a: -20°F to -15°F
Farragut	Zone 5b: -15°F to -10°F
Fayette	Zone 4b: -25°F to -20°F
Fenton	Zone 5a: -20°F to -15°F
Ferguson	Zone 5a: -20°F to -15°F
Fertile	Zone 5a: -20°F to -15°F
Floris	Zone 5b: -15°F to -10°F
Floyd	Zone 5a: -20°F to -15°F
Fonda	Zone 5a: -20°F to -15°F
Fontanelle	Zone 5a: -20°F to -15°F
Forest City	Zone 5a: -20°F to -15°F
Fort Atkinson	Zone 4b: -25°F to -20°F
Fort Dodge	Zone 5a: -20°F to -15°F
Fort Madison	Zone 5b: -15°F to -10°F
Fostoria	Zone 5a: -20°F to -15°F
Franklin	Zone 5b: -15°F to -10°F
Fraser	Zone 5a: -20°F to -15°F
Fredericksburg	Zone 5a: -20°F to -15°F
Frederika	Zone 5a: -20°F to -15°F
Fredonia	Zone 5b: -15°F to -10°F
Fremont	Zone 5b: -15°F to -10°F
Fruitland	Zone 5b: -15°F to -10°F
Frytown	Zone 5b: -15°F to -10°F
Galt	Zone 5a: -20°F to -15°F
Galva	Zone 5a: -20°F to -15°F
Garber	Zone 5a: -20°F to -15°F
Garden City	Zone 5a: -20°F to -15°F
Garden Grove	Zone 5a: -20°F to -15°F
Garnavillo	Zone 5a: -20°F to -15°F
Garner	Zone 5a: -20°F to -15°F
Garrison	Zone 5a: -20°F to -15°F
Garwin	Zone 5a: -20°F to -15°F
Geneva	Zone 5a: -20°F to -15°F
George	Zone 4b: -25°F to -20°F
Gibson	Zone 5a: -20°F to -15°F
Gifford	Zone 5a: -20°F to -15°F
Gilbert	Zone 5a: -20°F to -15°F
Gilbertville	Zone 5a: -20°F to -15°F
Gillett Grove	Zone 5a: -20°F to -15°F
Gilman	Zone 5a: -20°F to -15°F
Gilmore City	Zone 5a: -20°F to -15°F
Gladbrook	Zone 5a: -20°F to -15°F
Glenwood	Zone 5a: -20°F to -15°F
Glidden	Zone 5a: -20°F to -15°F
Goldfield	Zone 5a: -20°F to -15°F
Goodell	Zone 5a: -20°F to -15°F
Goose Lake	Zone 5a: -20°F to -15°F
Gowrie	Zone 5a: -20°F to -15°F
Graettinger	Zone 5a: -20°F to -15°F
Graf	Zone 5a: -20°F to -15°F
Grafton	Zone 5a: -20°F to -15°F
Grand Junction	Zone 5a: -20°F to -15°F
Grand Mound	Zone 5a: -20°F to -15°F
Grand River	Zone 5b: -15°F to -10°F
Grandview	Zone 5b: -15°F to -10°F
Granger	Zone 5a: -20°F to -15°F
Grant	Zone 5a: -20°F to -15°F
Granville	Zone 4b: -25°F to -20°F
Gravity	Zone 5a: -20°F to -15°F
Gray	Zone 5a: -20°F to -15°F
Greeley	Zone 4b: -25°F to -20°F
Green Island	Zone 5a: -20°F to -15°F
Green Mountain	Zone 5a: -20°F to -15°F
Greene	Zone 5a: -20°F to -15°F
Greenfield	Zone 5b: -15°F to -10°F
Greenville	Zone 5a: -20°F to -15°F
Grimes	Zone 5a: -20°F to -15°F
Grinnell	Zone 5a: -20°F to -15°F
Griswold	Zone 5a: -20°F to -15°F
Grundy Center	Zone 5a: -20°F to -15°F
Gruver	Zone 5a: -20°F to -15°F
Guernsey	Zone 5a: -20°F to -15°F
Guthrie Center	Zone 5a: -20°F to -15°F
Guttenberg	Zone 5a: -20°F to -15°F
Halbur	Zone 5a: -20°F to -15°F
Hamburg	Zone 5b: -15°F to -10°F
Hamilton	Zone 5b: -15°F to -10°F
Hamlin	Zone 5a: -20°F to -15°F
Hampton	Zone 5a: -20°F to -15°F
Hancock	Zone 5a: -20°F to -15°F
Hanlontown	Zone 5a: -20°F to -15°F
Hansell	Zone 5a: -20°F to -15°F
Harcourt	Zone 5a: -20°F to -15°F
Hardy	Zone 5a: -20°F to -15°F
Harlan	Zone 5a: -20°F to -15°F
Harper	Zone 5b: -15°F to -10°F
Harpers Ferry	Zone 5a: -20°F to -15°F
Harris	Zone 4b: -25°F to -20°F
Hartford	Zone 5b: -15°F to -10°F
Hartley	Zone 5a: -20°F to -15°F
Hartwick	Zone 5a: -20°F to -15°F
Harvey	Zone 5b: -15°F to -10°F
Hastings	Zone 5b: -15°F to -10°F
Havelock	Zone 5a: -20°F to -15°F
Haverhill	Zone 5a: -20°F to -15°F
Hawarden	Zone 5a: -20°F to -15°F
Hawkeye	Zone 4b: -25°F to -20°F
Hayesville	Zone 5b: -15°F to -10°F
Hayfield	Zone 5a: -20°F to -15°F
Hazleton	Zone 5a: -20°F to -15°F
Hedrick	Zone 5b: -15°F to -10°F
Henderson	Zone 5a: -20°F to -15°F
Hepburn	Zone 5b: -15°F to -10°F
Hiawatha	Zone 5a: -20°F to -15°F
High Amana	Zone 5a: -20°F to -15°F
Highlandville	Zone 4b: -25°F to -20°F
Hills	Zone 5b: -15°F to -10°F
Hillsboro	Zone 5b: -15°F to -10°F
Hinton	Zone 5a: -20°F to -15°F
Holland	Zone 5a: -20°F to -15°F
Holstein	Zone 5a: -20°F to -15°F
Holy Cross	Zone 5a: -20°F to -15°F
Homestead	Zone 5a: -20°F to -15°F
Honey Creek	Zone 5b: -15°F to -10°F
Hopkinton	Zone 5a: -20°F to -15°F
Hornick	Zone 5a: -20°F to -15°F
Hospers	Zone 4b: -25°F to -20°F
Houghton	Zone 5b: -15°F to -10°F
Hubbard	Zone 5a: -20°F to -15°F
Hudson	Zone 5a: -20°F to -15°F
Hull	Zone 4b: -25°F to -20°F
Humboldt	Zone 5a: -20°F to -15°F
Humeston	Zone 5b: -15°F to -10°F
Hutchins	Zone 5a: -20°F to -15°F
Huxley	Zone 5a: -20°F to -15°F
Ida Grove	Zone 5a: -20°F to -15°F
Imogene	Zone 5b: -15°F to -10°F
Independence	Zone 5a: -20°F to -15°F
Indianola	Zone 5a: -20°F to -15°F
Inwood	Zone 4b: -25°F to -20°F
Ionia	Zone 5a: -20°F to -15°F
Iowa City	Zone 5b: -15°F to -10°F
Iowa Falls	Zone 5a: -20°F to -15°F
Ira	Zone 5a: -20°F to -15°F
Ireton	Zone 4b: -25°F to -20°F
Irvington	Zone 5a: -20°F to -15°F
Irwin	Zone 5a: -20°F to -15°F
Jackson Junction	Zone 4b: -25°F to -20°F
Jacksonville	Zone 5a: -20°F to -15°F
Jamaica	Zone 5a: -20°F to -15°F
Janesville	Zone 5a: -20°F to -15°F
Jefferson	Zone 5a: -20°F to -15°F
Jesup	Zone 5a: -20°F to -15°F
Jewell	Zone 5a: -20°F to -15°F
Johnston	Zone 5a: -20°F to -15°F
Joice	Zone 5a: -20°F to -15°F
Jolley	Zone 5a: -20°F to -15°F
Kalona	Zone 5b: -15°F to -10°F
Kamrar	Zone 5a: -20°F to -15°F
Kanawha	Zone 5a: -20°F to -15°F
Kellerton	Zone 5b: -15°F to -10°F
Kelley	Zone 5a: -20°F to -15°F
Kellogg	Zone 5a: -20°F to -15°F
Kensett	Zone 5a: -20°F to -15°F
Kent	Zone 5a: -20°F to -15°F
Keokuk	Zone 6a: -10°F to -5°F
Keomah Village	Zone 5b: -15°F to -10°F
Keosauqua	Zone 5b: -15°F to -10°F
Keota	Zone 5b: -15°F to -10°F
Kesley	Zone 5a: -20°F to -15°F
Keswick	Zone 5a: -20°F to -15°F
Keystone	Zone 5a: -20°F to -15°F
Killduff	Zone 5a: -20°F to -15°F
Kimballton	Zone 5a: -20°F to -15°F
Kingsley	Zone 5a: -20°F to -15°F
Kinross	Zone 5b: -15°F to -10°F
Kirkman	Zone 5a: -20°F to -15°F
Kirkville	Zone 5b: -15°F to -10°F
Kiron	Zone 5a: -20°F to -15°F
Klemme	Zone 5a: -20°F to -15°F
Knierim	Zone 5a: -20°F to -15°F
Knoxville	Zone 5b: -15°F to -10°F
La Motte	Zone 5a: -20°F to -15°F
La Porte City	Zone 5a: -20°F to -15°F
Lacona	Zone 5b: -15°F to -10°F
Ladora	Zone 5a: -20°F to -15°F
Lake City	Zone 5a: -20°F to -15°F
Lake Mills	Zone 5a: -20°F to -15°F
Lake Park	Zone 5a: -20°F to -15°F
Lake View	Zone 5a: -20°F to -15°F
Lakeside	Zone 5a: -20°F to -15°F
Lakota	Zone 5a: -20°F to -15°F
Lambs Grove	Zone 5b: -15°F to -10°F
Lamoni	Zone 5b: -15°F to -10°F
Lamont	Zone 5a: -20°F to -15°F
Lanesboro	Zone 5a: -20°F to -15°F
Langworthy	Zone 5a: -20°F to -15°F
Lansing	Zone 5a: -20°F to -15°F
Larchwood	Zone 4b: -25°F to -20°F
Larrabee	Zone 5a: -20°F to -15°F
Latimer	Zone 5a: -20°F to -15°F
Laurel	Zone 5a: -20°F to -15°F
Laurens	Zone 5a: -20°F to -15°F
Lawler	Zone 5a: -20°F to -15°F
Lawton	Zone 5a: -20°F to -15°F
Le Claire	Zone 5b: -15°F to -10°F
Le Grand	Zone 5a: -20°F to -15°F
Le Mars	Zone 5a: -20°F to -15°F
Le Roy	Zone 5b: -15°F to -10°F
Leando	Zone 5b: -15°F to -10°F
Ledyard	Zone 5a: -20°F to -15°F
Lehigh	Zone 5a: -20°F to -15°F
Leighton	Zone 5b: -15°F to -10°F
Leland	Zone 5a: -20°F to -15°F
Lenox	Zone 5a: -20°F to -15°F
Leon	Zone 5b: -15°F to -10°F
Lester	Zone 4b: -25°F to -20°F
Letts	Zone 5b: -15°F to -10°F
Lewis	Zone 5a: -20°F to -15°F
Liberty Center	Zone 5a: -20°F to -15°F
Libertyville	Zone 5b: -15°F to -10°F
Lidderdale	Zone 5a: -20°F to -15°F
Lime Springs	Zone 4b: -25°F to -20°F
Lincoln	Zone 5a: -20°F to -15°F
Linden	Zone 5a: -20°F to -15°F
Lineville	Zone 5b: -15°F to -10°F
Linn Grove	Zone 5a: -20°F to -15°F
Lisbon	Zone 5a: -20°F to -15°F
Liscomb	Zone 5a: -20°F to -15°F
Little Cedar	Zone 5a: -20°F to -15°F
Little Rock	Zone 4b: -25°F to -20°F
Little Sioux	Zone 5a: -20°F to -15°F
Littleport	Zone 4b: -25°F to -20°F
Livermore	Zone 5a: -20°F to -15°F
Lockridge	Zone 5b: -15°F to -10°F
Logan	Zone 5a: -20°F to -15°F
Lohrville	Zone 5a: -20°F to -15°F
Lone Rock	Zone 5a: -20°F to -15°F
Lone Tree	Zone 5b: -15°F to -10°F
Long Grove	Zone 5b: -15°F to -10°F
Lorimor	Zone 5a: -20°F to -15°F
Lost Nation	Zone 5a: -20°F to -15°F
Loveland	Zone 5a: -20°F to -15°F
Lovilia	Zone 5b: -15°F to -10°F
Low Moor	Zone 5b: -15°F to -10°F
Lowden	Zone 5a: -20°F to -15°F
Lu Verne	Zone 5a: -20°F to -15°F
Luana	Zone 4b: -25°F to -20°F
Lucas	Zone 5b: -15°F to -10°F
Luther	Zone 5a: -20°F to -15°F
Luxemburg	Zone 5a: -20°F to -15°F
Luzerne	Zone 5a: -20°F to -15°F
Lynnville	Zone 5a: -20°F to -15°F
Lytton	Zone 5a: -20°F to -15°F
Macedonia	Zone 5a: -20°F to -15°F
Macksburg	Zone 5a: -20°F to -15°F
Madrid	Zone 5a: -20°F to -15°F
Magnolia	Zone 5a: -20°F to -15°F
Maharishi Vedic City	Zone 5b: -15°F to -10°F
Malcom	Zone 5a: -20°F to -15°F
Mallard	Zone 5a: -20°F to -15°F
Maloy	Zone 5b: -15°F to -10°F
Malvern	Zone 5b: -15°F to -10°F
Manchester	Zone 5a: -20°F to -15°F
Manilla	Zone 5a: -20°F to -15°F
Manly	Zone 5a: -20°F to -15°F
Manning	Zone 5a: -20°F to -15°F
Manson	Zone 5a: -20°F to -15°F
Mapleton	Zone 5a: -20°F to -15°F
Maquoketa	Zone 5a: -20°F to -15°F
Marathon	Zone 5a: -20°F to -15°F
Marble Rock	Zone 5a: -20°F to -15°F
Marcus	Zone 4b: -25°F to -20°F
Marengo	Zone 5a: -20°F to -15°F
Marion	Zone 5a: -20°F to -15°F
Marne	Zone 5a: -20°F to -15°F
Marquette	Zone 5a: -20°F to -15°F
Marshalltown	Zone 5a: -20°F to -15°F
Martelle	Zone 5a: -20°F to -15°F
Martensdale	Zone 5a: -20°F to -15°F
Martinsburg	Zone 5b: -15°F to -10°F
Marysville	Zone 5b: -15°F to -10°F
Mason City	Zone 5a: -20°F to -15°F
Masonville	Zone 5a: -20°F to -15°F
Massena	Zone 5a: -20°F to -15°F
Matlock	Zone 4b: -25°F to -20°F
Maurice	Zone 5a: -20°F to -15°F
Maxwell	Zone 5a: -20°F to -15°F
May City	Zone 4b: -25°F to -20°F
Maynard	Zone 4b: -25°F to -20°F
Maysville	Zone 5b: -15°F to -10°F
McCallsburg	Zone 5a: -20°F to -15°F
McCausland	Zone 5b: -15°F to -10°F
McClelland	Zone 5b: -15°F to -10°F
McGregor	Zone 5a: -20°F to -15°F
McIntire	Zone 4b: -25°F to -20°F
Mechanicsville	Zone 5a: -20°F to -15°F
Mediapolis	Zone 5b: -15°F to -10°F
Melbourne	Zone 5a: -20°F to -15°F
Melcher	Zone 5b: -15°F to -10°F
Melrose	Zone 5b: -15°F to -10°F
Melvin	Zone 4b: -25°F to -20°F
Menlo	Zone 5a: -20°F to -15°F
Meriden	Zone 5a: -20°F to -15°F
Merrill	Zone 5a: -20°F to -15°F
Meservey	Zone 5a: -20°F to -15°F
Meyer	Zone 4b: -25°F to -20°F
Middle Amana	Zone 5a: -20°F to -15°F
Middletown	Zone 5b: -15°F to -10°F
Miles	Zone 5a: -20°F to -15°F
Milford	Zone 5a: -20°F to -15°F
Miller	Zone 5a: -20°F to -15°F
Millersburg	Zone 5a: -20°F to -15°F
Millerton	Zone 5b: -15°F to -10°F
Millville	Zone 5a: -20°F to -15°F
Milo	Zone 5a: -20°F to -15°F
Milton	Zone 5b: -15°F to -10°F
Minburn	Zone 5a: -20°F to -15°F
Minden	Zone 5a: -20°F to -15°F
Mineola	Zone 5b: -15°F to -10°F
Mingo	Zone 5a: -20°F to -15°F
Missouri Valley	Zone 5a: -20°F to -15°F
Mitchell	Zone 5a: -20°F to -15°F
Mitchellville	Zone 5a: -20°F to -15°F
Modale	Zone 5a: -20°F to -15°F
Mona	Zone 4b: -25°F to -20°F
Mondamin	Zone 5a: -20°F to -15°F
Moneta	Zone 5a: -20°F to -15°F
Monmouth	Zone 5a: -20°F to -15°F
Monona	Zone 5a: -20°F to -15°F
Monroe	Zone 5a: -20°F to -15°F
Montezuma	Zone 5a: -20°F to -15°F
Monticello	Zone 5a: -20°F to -15°F
Montour	Zone 5a: -20°F to -15°F
Montpelier	Zone 5b: -15°F to -10°F
Montrose	Zone 5b: -15°F to -10°F
Moorhead	Zone 5a: -20°F to -15°F
Moorland	Zone 5a: -20°F to -15°F
Moravia	Zone 5b: -15°F to -10°F
Morley	Zone 5a: -20°F to -15°F
Morning Sun	Zone 5b: -15°F to -10°F
Morrison	Zone 5a: -20°F to -15°F
Moscow	Zone 5b: -15°F to -10°F
Moulton	Zone 5b: -15°F to -10°F
Mount Auburn	Zone 5a: -20°F to -15°F
Mount Ayr	Zone 5b: -15°F to -10°F
Mount Pleasant	Zone 5b: -15°F to -10°F
Mount Sterling	Zone 5b: -15°F to -10°F
Mount Union	Zone 5b: -15°F to -10°F
Mount Vernon	Zone 5a: -20°F to -15°F
Moville	Zone 5a: -20°F to -15°F
Murray	Zone 5b: -15°F to -10°F
Muscatine	Zone 5b: -15°F to -10°F
Mystic	Zone 5b: -15°F to -10°F
Nashua	Zone 5a: -20°F to -15°F
Nemaha	Zone 5a: -20°F to -15°F
Neola	Zone 5a: -20°F to -15°F
Nevada	Zone 5a: -20°F to -15°F
New Albin	Zone 5a: -20°F to -15°F
New Hampton	Zone 5a: -20°F to -15°F
New Hartford	Zone 5a: -20°F to -15°F
New Haven	Zone 5a: -20°F to -15°F
New Liberty	Zone 5b: -15°F to -10°F
New London	Zone 5b: -15°F to -10°F
New Market	Zone 5b: -15°F to -10°F
New Providence	Zone 5a: -20°F to -15°F
New Sharon	Zone 5a: -20°F to -15°F
New Vienna	Zone 5a: -20°F to -15°F
New Virginia	Zone 5b: -15°F to -10°F
Newell	Zone 5a: -20°F to -15°F
Newhall	Zone 5a: -20°F to -15°F
Newton	Zone 5b: -15°F to -10°F
Nichols	Zone 5b: -15°F to -10°F
Nodaway	Zone 5b: -15°F to -10°F
Nora Springs	Zone 5a: -20°F to -15°F
North Buena Vista	Zone 5a: -20°F to -15°F
North English	Zone 5a: -20°F to -15°F
North Liberty	Zone 5b: -15°F to -10°F
North Washington	Zone 5a: -20°F to -15°F
Northboro	Zone 5b: -15°F to -10°F
Northwood	Zone 4b: -25°F to -20°F
Norwalk	Zone 5b: -15°F to -10°F
Norway	Zone 5a: -20°F to -15°F
Numa	Zone 5b: -15°F to -10°F
Oakdale	Zone 5b: -15°F to -10°F
Oakland	Zone 5a: -20°F to -15°F
Oakland Acres	Zone 5a: -20°F to -15°F
Oakville	Zone 5b: -15°F to -10°F
Ocheyedan	Zone 4b: -25°F to -20°F
Odebolt	Zone 5a: -20°F to -15°F
Oelwein	Zone 5a: -20°F to -15°F
Ogden	Zone 5a: -20°F to -15°F
Okoboji	Zone 5a: -20°F to -15°F
Olds	Zone 5b: -15°F to -10°F
Olin	Zone 5a: -20°F to -15°F
Ollie	Zone 5b: -15°F to -10°F
Onawa	Zone 5a: -20°F to -15°F
Oneida	Zone 4b: -25°F to -20°F
Onslow	Zone 5a: -20°F to -15°F
Oran	Zone 5a: -20°F to -15°F
Orange City	Zone 5a: -20°F to -15°F
Orchard	Zone 5a: -20°F to -15°F
Orient	Zone 5a: -20°F to -15°F
Orleans	Zone 5a: -20°F to -15°F
Osage	Zone 5a: -20°F to -15°F
Osceola	Zone 5b: -15°F to -10°F
Oskaloosa	Zone 5b: -15°F to -10°F
Ossian	Zone 4b: -25°F to -20°F
Osterdock	Zone 5a: -20°F to -15°F
Otho	Zone 5a: -20°F to -15°F
Otley	Zone 5b: -15°F to -10°F
Oto	Zone 5a: -20°F to -15°F
Otranto	Zone 4b: -25°F to -20°F
Ottosen	Zone 5a: -20°F to -15°F
Ottumwa	Zone 5b: -15°F to -10°F
Owasa	Zone 5a: -20°F to -15°F
Oxford	Zone 5a: -20°F to -15°F
Oxford Junction	Zone 5a: -20°F to -15°F
Oyens	Zone 5a: -20°F to -15°F
Pacific Junction	Zone 5a: -20°F to -15°F
Packwood	Zone 5b: -15°F to -10°F
Palmer	Zone 5a: -20°F to -15°F
Palo	Zone 5a: -20°F to -15°F
Panama	Zone 5a: -20°F to -15°F
Panora	Zone 5a: -20°F to -15°F
Panorama Park	Zone 5b: -15°F to -10°F
Park View	Zone 5b: -15°F to -10°F
Parkersburg	Zone 5a: -20°F to -15°F
Parnell	Zone 5a: -20°F to -15°F
Paton	Zone 5a: -20°F to -15°F
Patterson	Zone 5a: -20°F to -15°F
Paullina	Zone 4b: -25°F to -20°F
Pella	Zone 5b: -15°F to -10°F
Peosta	Zone 5a: -20°F to -15°F
Percival	Zone 5b: -15°F to -10°F
Perry	Zone 5a: -20°F to -15°F
Persia	Zone 5a: -20°F to -15°F
Peru	Zone 5a: -20°F to -15°F
Peterson	Zone 5a: -20°F to -15°F
Pierson	Zone 5a: -20°F to -15°F
Pilot Grove	Zone 5b: -15°F to -10°F
Pilot Mound	Zone 5a: -20°F to -15°F
Pioneer	Zone 5a: -20°F to -15°F
Pisgah	Zone 5a: -20°F to -15°F
Plainfield	Zone 5a: -20°F to -15°F
Plano	Zone 5b: -15°F to -10°F
Pleasant Hill	Zone 5b: -15°F to -10°F
Pleasant Plain	Zone 5b: -15°F to -10°F
Pleasant Valley	Zone 5b: -15°F to -10°F
Pleasanton	Zone 5b: -15°F to -10°F
Pleasantville	Zone 5b: -15°F to -10°F
Plover	Zone 5a: -20°F to -15°F
Plymouth	Zone 5a: -20°F to -15°F
Pocahontas	Zone 5a: -20°F to -15°F
Polk City	Zone 5a: -20°F to -15°F
Pomeroy	Zone 5a: -20°F to -15°F
Popejoy	Zone 5a: -20°F to -15°F
Portland	Zone 5a: -20°F to -15°F
Portsmouth	Zone 5a: -20°F to -15°F
Postville	Zone 4b: -25°F to -20°F
Prairie City	Zone 5a: -20°F to -15°F
Prairieburg	Zone 5a: -20°F to -15°F
Prescott	Zone 5a: -20°F to -15°F
Preston	Zone 5a: -20°F to -15°F
Primghar	Zone 4b: -25°F to -20°F
Princeton	Zone 5b: -15°F to -10°F
Prole	Zone 5a: -20°F to -15°F
Promise City	Zone 5b: -15°F to -10°F
Protivin	Zone 4b: -25°F to -20°F
Pulaski	Zone 5b: -15°F to -10°F
Quasqueton	Zone 5a: -20°F to -15°F
Quimby	Zone 5a: -20°F to -15°F
Radcliffe	Zone 5a: -20°F to -15°F
Rake	Zone 4b: -25°F to -20°F
Ralston	Zone 5a: -20°F to -15°F
Randalia	Zone 4b: -25°F to -20°F
Randall	Zone 5a: -20°F to -15°F
Randolph	Zone 5b: -15°F to -10°F
Rathbun	Zone 5b: -15°F to -10°F
Raymond	Zone 5a: -20°F to -15°F
Readlyn	Zone 5a: -20°F to -15°F
Reasnor	Zone 5a: -20°F to -15°F
Red Oak	Zone 5a: -20°F to -15°F
Redding	Zone 5b: -15°F to -10°F
Redfield	Zone 5a: -20°F to -15°F
Reinbeck	Zone 5a: -20°F to -15°F
Rembrandt	Zone 5a: -20°F to -15°F
Remsen	Zone 5a: -20°F to -15°F
Renwick	Zone 5a: -20°F to -15°F
Rhodes	Zone 5a: -20°F to -15°F
Riceville	Zone 4b: -25°F to -20°F
Richland	Zone 5b: -15°F to -10°F
Rickardsville	Zone 5a: -20°F to -15°F
Ricketts	Zone 5a: -20°F to -15°F
Ridgeway	Zone 4b: -25°F to -20°F
Rinard	Zone 5a: -20°F to -15°F
Ringsted	Zone 5a: -20°F to -15°F
Rippey	Zone 5a: -20°F to -15°F
River Sioux	Zone 5a: -20°F to -15°F
Riverdale	Zone 5b: -15°F to -10°F
Riverside	Zone 5b: -15°F to -10°F
Riverton	Zone 5b: -15°F to -10°F
Robins	Zone 5a: -20°F to -15°F
Rochester	Zone 5b: -15°F to -10°F
Rock Falls	Zone 5a: -20°F to -15°F
Rock Rapids	Zone 4b: -25°F to -20°F
Rock Valley	Zone 5a: -20°F to -15°F
Rockford	Zone 5a: -20°F to -15°F
Rockwell	Zone 5a: -20°F to -15°F
Rockwell City	Zone 5a: -20°F to -15°F
Rodman	Zone 5a: -20°F to -15°F
Rodney	Zone 5a: -20°F to -15°F
Roland	Zone 5a: -20°F to -15°F
Rolfe	Zone 5a: -20°F to -15°F
Rome	Zone 5b: -15°F to -10°F
Rose Hill	Zone 5b: -15°F to -10°F
Roseville	Zone 5a: -20°F to -15°F
Rossie	Zone 5a: -20°F to -15°F
Rowan	Zone 5a: -20°F to -15°F
Rowley	Zone 5a: -20°F to -15°F
Royal	Zone 5a: -20°F to -15°F
Rudd	Zone 5a: -20°F to -15°F
Runnells	Zone 5b: -15°F to -10°F
Russell	Zone 5a: -20°F to -15°F
Ruthven	Zone 5a: -20°F to -15°F
Rutland	Zone 5a: -20°F to -15°F
Ryan	Zone 5a: -20°F to -15°F
Sabula	Zone 5a: -20°F to -15°F
Sac City	Zone 5a: -20°F to -15°F
Sageville	Zone 5a: -20°F to -15°F
Saint Ansgar	Zone 5a: -20°F to -15°F
Saint Anthony	Zone 5a: -20°F to -15°F
Saint Benedict	Zone 5a: -20°F to -15°F
Saint Charles	Zone 5a: -20°F to -15°F
Saint Donatus	Zone 5a: -20°F to -15°F
Saint Joseph	Zone 5a: -20°F to -15°F
Saint Lucas	Zone 4b: -25°F to -20°F
Saint Marys	Zone 5a: -20°F to -15°F
Saint Olaf	Zone 4b: -25°F to -20°F
Saint Paul	Zone 5b: -15°F to -10°F
Salem	Zone 5b: -15°F to -10°F
Salix	Zone 5a: -20°F to -15°F
Sanborn	Zone 4b: -25°F to -20°F
Sandyville	Zone 5a: -20°F to -15°F
Saylorville	Zone 5a: -20°F to -15°F
Scarville	Zone 5a: -20°F to -15°F
Schaller	Zone 5a: -20°F to -15°F
Schleswig	Zone 5a: -20°F to -15°F
Scranton	Zone 5a: -20°F to -15°F
Searsboro	Zone 5a: -20°F to -15°F
Selma	Zone 5b: -15°F to -10°F
Sergeant Bluff	Zone 5a: -20°F to -15°F
Sexton	Zone 5a: -20°F to -15°F
Seymour	Zone 5b: -15°F to -10°F
Shambaugh	Zone 5b: -15°F to -10°F
Shannon City	Zone 5b: -15°F to -10°F
Sharpsburg	Zone 5a: -20°F to -15°F
Sheffield	Zone 5a: -20°F to -15°F
Shelby	Zone 5a: -20°F to -15°F
Sheldahl	Zone 5a: -20°F to -15°F
Sheldon	Zone 4b: -25°F to -20°F
Shell Rock	Zone 5a: -20°F to -15°F
Shellsburg	Zone 5a: -20°F to -15°F
Shenandoah	Zone 5b: -15°F to -10°F
Sherrill	Zone 5a: -20°F to -15°F
Shueyville	Zone 5a: -20°F to -15°F
Sibley	Zone 4b: -25°F to -20°F
Sidney	Zone 5b: -15°F to -10°F
Sigourney	Zone 5b: -15°F to -10°F
Silver City	Zone 5b: -15°F to -10°F
Sioux Center	Zone 5a: -20°F to -15°F
Sioux City	Zone 5a: -20°F to -15°F
Sioux City	Zone 5a: -20°F to -15°F
Sioux Rapids	Zone 5a: -20°F to -15°F
Slater	Zone 5a: -20°F to -15°F
Sloan	Zone 5a: -20°F to -15°F
Smithland	Zone 5a: -20°F to -15°F
Soldier	Zone 5a: -20°F to -15°F
Solon	Zone 5a: -20°F to -15°F
Somers	Zone 5a: -20°F to -15°F
South Amana	Zone 5a: -20°F to -15°F
South English	Zone 5b: -15°F to -10°F
Spencer	Zone 5a: -20°F to -15°F
Sperry	Zone 5b: -15°F to -10°F
Spillville	Zone 4b: -25°F to -20°F
Spirit Lake	Zone 5a: -20°F to -15°F
Spragueville	Zone 5a: -20°F to -15°F
Spring Hill	Zone 5a: -20°F to -15°F
Springbrook	Zone 5a: -20°F to -15°F
Springville	Zone 5a: -20°F to -15°F
Stacyville	Zone 4b: -25°F to -20°F
Stanhope	Zone 5a: -20°F to -15°F
Stanley	Zone 5a: -20°F to -15°F
Stanton	Zone 5a: -20°F to -15°F
Stanwood	Zone 5a: -20°F to -15°F
State Center	Zone 5a: -20°F to -15°F
Steamboat Rock	Zone 5a: -20°F to -15°F
Stockport	Zone 5b: -15°F to -10°F
Stockton	Zone 5b: -15°F to -10°F
Stone City	Zone 5a: -20°F to -15°F
Storm Lake	Zone 5a: -20°F to -15°F
Story City	Zone 5a: -20°F to -15°F
Stout	Zone 5a: -20°F to -15°F
Stratford	Zone 5a: -20°F to -15°F
Strawberry Point	Zone 4b: -25°F to -20°F
Struble	Zone 5a: -20°F to -15°F
Stuart	Zone 5a: -20°F to -15°F
Sully	Zone 5a: -20°F to -15°F
Sumner	Zone 5a: -20°F to -15°F
Sundown Mountain Ski Area	Zone 5a: -20°F to -15°F
Superior	Zone 5a: -20°F to -15°F
Sutherland	Zone 5a: -20°F to -15°F
Swaledale	Zone 5a: -20°F to -15°F
Swan	Zone 5b: -15°F to -10°F
Swea City	Zone 5a: -20°F to -15°F
Swedesburg	Zone 5b: -15°F to -10°F
Swisher	Zone 5a: -20°F to -15°F
Tabor	Zone 5b: -15°F to -10°F
Tama	Zone 5a: -20°F to -15°F
Teeds Grove	Zone 5a: -20°F to -15°F
Templeton	Zone 5a: -20°F to -15°F
Tennant	Zone 5a: -20°F to -15°F
Terril	Zone 5a: -20°F to -15°F
Thayer	Zone 5a: -20°F to -15°F
Thompson	Zone 5a: -20°F to -15°F
Thor	Zone 5a: -20°F to -15°F
Thornburg	Zone 5a: -20°F to -15°F
Thornton	Zone 5a: -20°F to -15°F
Thurman	Zone 5b: -15°F to -10°F
Tiffin	Zone 5b: -15°F to -10°F
Tingley	Zone 5a: -20°F to -15°F
Tipton	Zone 5a: -20°F to -15°F
Titonka	Zone 5a: -20°F to -15°F
Toddville	Zone 5a: -20°F to -15°F
Toeterville	Zone 4b: -25°F to -20°F
Toledo	Zone 5a: -20°F to -15°F
Toronto	Zone 5a: -20°F to -15°F
Tracy	Zone 5b: -15°F to -10°F
Traer	Zone 5a: -20°F to -15°F
Treynor	Zone 5a: -20°F to -15°F
Tripoli	Zone 5a: -20°F to -15°F
Troy Mills	Zone 5a: -20°F to -15°F
Truesdale	Zone 5a: -20°F to -15°F
Truro	Zone 5a: -20°F to -15°F
Turin	Zone 5a: -20°F to -15°F
Udell	Zone 5b: -15°F to -10°F
Underwood	Zone 5a: -20°F to -15°F
Union	Zone 5a: -20°F to -15°F
Unionville	Zone 5b: -15°F to -10°F
University Heights	Zone 5b: -15°F to -10°F
University Park	Zone 5b: -15°F to -10°F
Urbana	Zone 5a: -20°F to -15°F
Urbandale	Zone 5a: -20°F to -15°F
Ute	Zone 5a: -20°F to -15°F
Vail	Zone 5a: -20°F to -15°F
Valeria	Zone 5a: -20°F to -15°F
Van Horne	Zone 5a: -20°F to -15°F
Van Meter	Zone 5a: -20°F to -15°F
Van Wert	Zone 5b: -15°F to -10°F
Varina	Zone 5a: -20°F to -15°F
Ventura	Zone 5a: -20°F to -15°F
Victor	Zone 5a: -20°F to -15°F
Villisca	Zone 5b: -15°F to -10°F
Vincent	Zone 5a: -20°F to -15°F
Vining	Zone 5a: -20°F to -15°F
Vinton	Zone 5a: -20°F to -15°F
Viola	Zone 5a: -20°F to -15°F
Volga	Zone 4b: -25°F to -20°F
Wadena	Zone 4b: -25°F to -20°F
Wahpeton	Zone 5a: -20°F to -15°F
Walcott	Zone 5b: -15°F to -10°F
Walford	Zone 5a: -20°F to -15°F
Walker	Zone 5a: -20°F to -15°F
Wall Lake	Zone 5a: -20°F to -15°F
Wallingford	Zone 5a: -20°F to -15°F
Walnut	Zone 5a: -20°F to -15°F
Wapello	Zone 5b: -15°F to -10°F
Washburn	Zone 5a: -20°F to -15°F
Washington	Zone 5b: -15°F to -10°F
Washta	Zone 5a: -20°F to -15°F
Waterloo	Zone 5a: -20°F to -15°F
Waterville	Zone 5a: -20°F to -15°F
Watkins	Zone 5a: -20°F to -15°F
Waucoma	Zone 4b: -25°F to -20°F
Waukee	Zone 5a: -20°F to -15°F
Waukon	Zone 5a: -20°F to -15°F
Waverly	Zone 5a: -20°F to -15°F
Wayland	Zone 5b: -15°F to -10°F
Webb	Zone 5a: -20°F to -15°F
Webster	Zone 5b: -15°F to -10°F
Webster City	Zone 5a: -20°F to -15°F
Weldon	Zone 5b: -15°F to -10°F
Wellman	Zone 5b: -15°F to -10°F
Wellsburg	Zone 5a: -20°F to -15°F
Weltman	Zone 5b: -15°F to -10°F
Welton	Zone 5a: -20°F to -15°F
Wesley	Zone 5a: -20°F to -15°F
West Amana	Zone 5a: -20°F to -15°F
West Bend	Zone 5a: -20°F to -15°F
West Branch	Zone 5b: -15°F to -10°F
West Burlington	Zone 5b: -15°F to -10°F
West Chester	Zone 5b: -15°F to -10°F
West Des Moines	Zone 5a: -20°F to -15°F
West Grove	Zone 5b: -15°F to -10°F
West Liberty	Zone 5b: -15°F to -10°F
West Okoboji	Zone 5a: -20°F to -15°F
West Point	Zone 5b: -15°F to -10°F
West Union	Zone 4b: -25°F to -20°F
Westfield	Zone 5a: -20°F to -15°F
Westgate	Zone 5a: -20°F to -15°F
Weston	Zone 5b: -15°F to -10°F
Westphalia	Zone 5a: -20°F to -15°F
Westside	Zone 5a: -20°F to -15°F
Westwood	Zone 5b: -15°F to -10°F
Wever	Zone 5b: -15°F to -10°F
What Cheer	Zone 5b: -15°F to -10°F
Wheatland	Zone 5a: -20°F to -15°F
Whiting	Zone 5a: -20°F to -15°F
Whittemore	Zone 5a: -20°F to -15°F
Whitten	Zone 5a: -20°F to -15°F
Willey	Zone 5a: -20°F to -15°F
Williams	Zone 5a: -20°F to -15°F
Williamsburg	Zone 5a: -20°F to -15°F
Williamson	Zone 5a: -20°F to -15°F
Wilton	Zone 5b: -15°F to -10°F
Windsor Heights	Zone 5b: -15°F to -10°F
Winfield	Zone 5b: -15°F to -10°F
Winterset	Zone 5a: -20°F to -15°F
Winthrop	Zone 5a: -20°F to -15°F
Wiota	Zone 5a: -20°F to -15°F
Woden	Zone 5a: -20°F to -15°F
Woodbine	Zone 5a: -20°F to -15°F
Woodburn	Zone 5b: -15°F to -10°F
Woodward	Zone 5a: -20°F to -15°F
Woolstock	Zone 5a: -20°F to -15°F
Worthington	Zone 5a: -20°F to -15°F
Wyoming	Zone 5a: -20°F to -15°F
Yale	Zone 5a: -20°F to -15°F
Yarmouth	Zone 5b: -15°F to -10°F
Yetter	Zone 5a: -20°F to -15°F
Yorktown	Zone 5b: -15°F to -10°F
Zearing	Zone 5a: -20°F to -15°F
Zwingle	Zone 5a: -20°F to -15°F

Iowa 2012 USDA Hardiness Zone Map

2012 USDA Hardiness Zone Maps for Neighboring States and Provinces

Related Iowa Maps:

List of 2012 Hardiness Zones for Cities in Iowa