Iowa Planting Zones

Iowa runs from zone 4b to zone 6a on the 2023 USDA map. Zone 5a is the most common, covering 54% of the state's ZIP codes. Des Moines is 5b, Cedar Rapids is 5b and Davenport is 5b.

Search by ZIP code or city

Zones across Iowa

Zone	Average coldest night	Share of Iowa ZIP codes
4b	−25 to −20°F	2%
5a	−20 to −15°F	54%
5b	−15 to −10°F	42%
6a	−10 to −5°F	3%

Planting zone for every city and town in Iowa

Each Iowa town uses the ZIP code at its center. Big towns can cross into the next half-zone, so look up your own ZIP if you're near a line.

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

Source: USDA Plant Hardiness Zone Map, 2023, Agricultural Research Service, U.S. Department of Agriculture; ZIP code table from the PRISM Group, Oregon State University (accessed Oct 2026). This list is our own summary, not the official USDA map. See how we calculate.

Frequently asked questions

What planting zone is Iowa?

Iowa spans zones 4b to 6a on the 2023 USDA map, and zone 5a is the most common. Look up your ZIP code for your exact zone.

What zone is Des Moines, IA?

Des Moines is zone 5b, where the coldest night of an average winter falls from −15 to −10°F. Plants rated hardy to zone 5 or colder should survive a typical winter there.

More for Iowa: Iowa climate zones (insulation) · Last frost dates in Iowa · Frost line depth by state