When to plant sweet potatoes

Sweet potatoes
The rule

Plant out 3–5 weeks after the last frost.

Set out slips when the soil is warm, around 65°F. They need a long, hot season.

Days to harvest
90–120
Type
Warm season

Start dates by state

Alaska: Jun 6AKJun 6Maine: May 17MEMay 17Wisconsin: May 17WIMay 17Vermont: May 20VTMay 20New Hampshire: May 21NHMay 21Washington: Mar 29WAMar 29Idaho: May 15IDMay 15Montana: May 25MTMay 25North Dakota: May 25NDMay 25Minnesota: May 14MNMay 14Illinois: May 1ILMay 1Michigan: May 18MIMay 18New York: Apr 22NYApr 22Massachusetts: Apr 25MAApr 25Oregon: Mar 18ORMar 18Nevada: Feb 15NVFeb 15Wyoming: Jun 4WYJun 4South Dakota: May 17SDMay 17Iowa: May 9IAMay 9Indiana: May 11INMay 11Ohio: May 11OHMay 11Pennsylvania: Apr 20PAApr 20New Jersey: Apr 25NJApr 25Connecticut: Apr 26CTApr 26Rhode Island: May 2RIMay 2California: Feb 15CAFeb 15Utah: Apr 21UTApr 21Colorado: May 25COMay 25Nebraska: May 7NEMay 7Missouri: Apr 25MOApr 25Kentucky: Apr 27KYApr 27West Virginia: May 7WVMay 7Virginia: Apr 19VAApr 19Maryland: Apr 14MDApr 14Delaware: Apr 28DEApr 28Arizona: Feb 15AZFeb 15New Mexico: May 14NMMay 14Kansas: May 2KSMay 2Arkansas: Apr 11ARApr 11Tennessee: Apr 22TNApr 22North Carolina: Apr 20NCApr 20South Carolina: Feb 25SCFeb 25District of Columbia: Apr 19DCApr 19Oklahoma: Apr 25OKApr 25Louisiana: Feb 15LAFeb 15Mississippi: Mar 27MSMar 27Alabama: Apr 14ALApr 14Georgia: Apr 14GAApr 14Hawaii: frost-freeHInoneTexas: Feb 23TXFeb 23Florida: Feb 22FLFeb 22
Before FebFebruaryMarchAprilMayJune or later
When the main planting window opens in each state's largest city. Click a state for every city.
StateLargest cityWindow
AlabamaHuntsvilleApr 14 to Apr 28
AlaskaAnchorageJun 6 to Jun 20
ArizonaPhoenixFeb 15 to Mar 1
ArkansasLittle RockApr 11 to Apr 25
CaliforniaSan JoseFeb 15 to Mar 1
ColoradoDenverMay 25 to Jun 8
ConnecticutBridgeportApr 26 to May 10
DelawareWilmingtonApr 28 to May 12
District of ColumbiaWashingtonApr 19 to May 3
FloridaJacksonvilleFeb 22 to Mar 8
GeorgiaAtlantaApr 14 to Apr 28
Hawaiino frost date
IdahoBoise CityMay 15 to May 29
IllinoisChicagoMay 1 to May 15
IndianaIndianapolisMay 11 to May 25
IowaDes MoinesMay 9 to May 23
KansasWichitaMay 2 to May 16
KentuckyLouisville/Jefferson CountyApr 27 to May 11
LouisianaNew OrleansFeb 15 to Mar 1
MainePortlandMay 17 to May 31
MarylandBaltimoreApr 14 to Apr 28
MassachusettsBostonApr 25 to May 9
MichiganDetroitMay 18 to Jun 1
MinnesotaMinneapolisMay 14 to May 28
MississippiJacksonMar 27 to Apr 10
MissouriKansas CityApr 25 to May 9
MontanaBillingsMay 25 to Jun 8
NebraskaOmahaMay 7 to May 21
NevadaLas VegasFeb 15 to Mar 1
New HampshireManchesterMay 21 to Jun 4
New JerseyNewarkApr 25 to May 9
New MexicoAlbuquerqueMay 14 to May 28
New YorkNew YorkApr 22 to May 6
North CarolinaCharlotteApr 20 to May 4
North DakotaFargoMay 25 to Jun 8
OhioColumbusMay 11 to May 25
OklahomaOklahoma CityApr 25 to May 9
OregonPortlandMar 18 to Apr 1
PennsylvaniaPhiladelphiaApr 20 to May 4
Rhode IslandProvidenceMay 2 to May 16
South CarolinaCharlestonFeb 25 to Mar 11
South DakotaSioux FallsMay 17 to May 31
TennesseeNashvilleApr 22 to May 6
TexasHoustonFeb 23 to Mar 9
UtahSalt Lake CityApr 21 to May 5
VermontBurlingtonMay 20 to Jun 3
VirginiaVirginia BeachApr 19 to May 3
WashingtonSeattleMar 29 to Apr 12
West VirginiaCharlestonMay 7 to May 21
WisconsinMilwaukeeMay 17 to May 31
WyomingCheyenneJun 4 to Jun 18

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