When to plant corn

Corn
The rule

Sow outdoors 1–3 weeks after the last frost.

Plant in blocks of at least four rows rather than one long row. Corn is pollinated by wind.

Days to harvest
60–100
Type
Warm season

Start dates by state

Alaska: May 23AKMay 23Maine: May 3MEMay 3Wisconsin: May 3WIMay 3Vermont: May 6VTMay 6New Hampshire: May 7NHMay 7Washington: Mar 15WAMar 15Idaho: May 1IDMay 1Montana: May 11MTMay 11North Dakota: May 11NDMay 11Minnesota: Apr 30MNApr 30Illinois: Apr 17ILApr 17Michigan: May 4MIMay 4New York: Apr 8NYApr 8Massachusetts: Apr 11MAApr 11Oregon: Mar 4ORMar 4Nevada: Feb 15NVFeb 15Wyoming: May 21WYMay 21South Dakota: May 3SDMay 3Iowa: Apr 25IAApr 25Indiana: Apr 27INApr 27Ohio: Apr 27OHApr 27Pennsylvania: Apr 6PAApr 6New Jersey: Apr 11NJApr 11Connecticut: Apr 12CTApr 12Rhode Island: Apr 18RIApr 18California: Feb 15CAFeb 15Utah: Apr 7UTApr 7Colorado: May 11COMay 11Nebraska: Apr 23NEApr 23Missouri: Apr 11MOApr 11Kentucky: Apr 13KYApr 13West Virginia: Apr 23WVApr 23Virginia: Apr 5VAApr 5Maryland: Mar 31MDMar 31Delaware: Apr 14DEApr 14Arizona: Feb 15AZFeb 15New Mexico: Apr 30NMApr 30Kansas: Apr 18KSApr 18Arkansas: Mar 28ARMar 28Tennessee: Apr 8TNApr 8North Carolina: Apr 6NCApr 6South Carolina: Feb 15SCFeb 15District of Columbia: Apr 5DCApr 5Oklahoma: Apr 11OKApr 11Louisiana: Feb 15LAFeb 15Mississippi: Mar 13MSMar 13Alabama: Mar 31ALMar 31Georgia: Mar 31GAMar 31Hawaii: frost-freeHInoneTexas: Feb 15TXFeb 15Florida: Feb 15FLFeb 15
Before FebFebruaryMarchAprilMayJune or later
When the main planting window opens in each state's largest city. Click a state for every city.
StateLargest cityWindow
AlabamaHuntsvilleMar 31 to Apr 14
AlaskaAnchorageMay 23 to Jun 6
ArizonaPhoenixFeb 15 to Mar 1
ArkansasLittle RockMar 28 to Apr 11
CaliforniaSan JoseFeb 15 to Mar 1
ColoradoDenverMay 11 to May 25
ConnecticutBridgeportApr 12 to Apr 26
DelawareWilmingtonApr 14 to Apr 28
District of ColumbiaWashingtonApr 5 to Apr 19
FloridaJacksonvilleFeb 15 to Mar 1
GeorgiaAtlantaMar 31 to Apr 14
Hawaiino frost date
IdahoBoise CityMay 1 to May 15
IllinoisChicagoApr 17 to May 1
IndianaIndianapolisApr 27 to May 11
IowaDes MoinesApr 25 to May 9
KansasWichitaApr 18 to May 2
KentuckyLouisville/Jefferson CountyApr 13 to Apr 27
LouisianaNew OrleansFeb 15 to Mar 1
MainePortlandMay 3 to May 17
MarylandBaltimoreMar 31 to Apr 14
MassachusettsBostonApr 11 to Apr 25
MichiganDetroitMay 4 to May 18
MinnesotaMinneapolisApr 30 to May 14
MississippiJacksonMar 13 to Mar 27
MissouriKansas CityApr 11 to Apr 25
MontanaBillingsMay 11 to May 25
NebraskaOmahaApr 23 to May 7
NevadaLas VegasFeb 15 to Mar 1
New HampshireManchesterMay 7 to May 21
New JerseyNewarkApr 11 to Apr 25
New MexicoAlbuquerqueApr 30 to May 14
New YorkNew YorkApr 8 to Apr 22
North CarolinaCharlotteApr 6 to Apr 20
North DakotaFargoMay 11 to May 25
OhioColumbusApr 27 to May 11
OklahomaOklahoma CityApr 11 to Apr 25
OregonPortlandMar 4 to Mar 18
PennsylvaniaPhiladelphiaApr 6 to Apr 20
Rhode IslandProvidenceApr 18 to May 2
South CarolinaCharlestonFeb 15 to Mar 1
South DakotaSioux FallsMay 3 to May 17
TennesseeNashvilleApr 8 to Apr 22
TexasHoustonFeb 15 to Mar 1
UtahSalt Lake CityApr 7 to Apr 21
VermontBurlingtonMay 6 to May 20
VirginiaVirginia BeachApr 5 to Apr 19
WashingtonSeattleMar 15 to Mar 29
West VirginiaCharlestonApr 23 to May 7
WisconsinMilwaukeeMay 3 to May 17
WyomingCheyenneMay 21 to Jun 4

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