Garden

Frost Dates by State

Pick your state for the average last and first frost in every city and town, or search your ZIP code for your nearest station, safer planting dates and a vegetable calendar.

AlabamaAlaskaArizonaArkansasCaliforniaColoradoConnecticutDelawareDistrict of ColumbiaFloridaGeorgiaHawaiiIdahoIllinoisIndianaIowaKansasKentuckyLouisianaMaineMarylandMassachusettsMichiganMinnesotaMississippiMissouriMontanaNebraskaNevadaNew HampshireNew JerseyNew MexicoNew YorkNorth CarolinaNorth DakotaOhioOklahomaOregonPennsylvaniaRhode IslandSouth CarolinaSouth DakotaTennesseeTexasUtahVermontVirginiaWashingtonWest VirginiaWisconsinWyoming

From NOAA's 7,305 climate-normals stations. Frost dates move around year to year, so treat them as odds, not a schedule.

Last frost dates by state

StateAverage last spring frostAverage first fall frost
AlabamaFeb 21 – Apr 11Oct 27 – Dec 6
AlaskaApr 11 – Jun 10Aug 21 – Nov 5
ArizonaJan 20 – Jun 4Sep 26 – Dec 21
ArkansasMar 10 – Apr 18Oct 20 – Nov 18
CaliforniaJan 16 – Jun 11Sep 10 – Dec 22
ColoradoApr 14 – Jun 21Sep 2 – Oct 26
ConnecticutApr 5 – May 8Oct 5 – Nov 17
DelawareMar 29 – Apr 11Oct 30 – Nov 16
District of ColumbiaMar 29Nov 8
FloridaFeb 5 – Mar 21Nov 12 – Jan 4
GeorgiaFeb 8 – Apr 26Oct 19 – Dec 25
HawaiiFrost is rare; no dated averages
IdahoApr 12 – Jun 22Sep 2 – Oct 26
IllinoisApr 1 – May 2Oct 7 – Nov 5
IndianaMar 31 – May 2Oct 9 – Nov 9
IowaApr 8 – May 8Sep 28 – Oct 29
KansasApr 4 – May 9Oct 4 – Nov 2
KentuckyMar 27 – May 2Oct 10 – Nov 8
LouisianaFeb 1 – Mar 30Nov 5 – Dec 31
MaineApr 25 – May 16Sep 26 – Oct 25
MarylandMar 22 – May 9Oct 9 – Nov 26
MassachusettsApr 4 – May 10Oct 4 – Nov 9
MichiganApr 17 – Jun 7Sep 9 – Nov 5
MinnesotaApr 15 – Jun 5Sep 8 – Oct 28
MississippiFeb 12 – Apr 9Oct 26 – Dec 14
MissouriMar 24 – Apr 27Oct 8 – Nov 9
MontanaMay 3 – Jun 16Sep 2 – Oct 5
NebraskaApr 15 – May 24Sep 20 – Oct 21
NevadaJan 20 – Jun 10Sep 16 – Dec 17
New HampshireApr 29 – May 14Sep 30 – Oct 18
New JerseyMar 26 – May 1Oct 11 – Nov 22
New MexicoFeb 28 – Jun 19Sep 7 – Nov 20
New YorkApr 1 – May 23Sep 24 – Nov 19
North CarolinaMar 3 – May 7Oct 8 – Dec 13
North DakotaMay 2 – May 24Sep 17 – Oct 9
OhioApr 8 – May 10Oct 7 – Nov 12
OklahomaMar 15 – Apr 26Oct 17 – Nov 15
OregonFeb 11 – Jun 11Sep 6 – Dec 16
PennsylvaniaMar 30 – May 24Sep 27 – Nov 17
Rhode IslandApr 7 – Apr 22Oct 19 – Nov 13
South CarolinaFeb 4 – Apr 26Oct 17 – Dec 30
South DakotaApr 25 – May 23Sep 20 – Oct 13
TennesseeMar 16 – May 22Oct 1 – Nov 16
TexasJan 31 – Apr 28Oct 15 – Dec 25
UtahMar 14 – Jun 21Sep 1 – Nov 10
VermontApr 29 – Jun 1Sep 13 – Oct 17
VirginiaMar 17 – May 9Oct 5 – Nov 23
WashingtonMar 1 – Jun 6Sep 4 – Nov 28
West VirginiaApr 7 – May 15Oct 3 – Nov 4
WisconsinApr 19 – May 27Sep 22 – Oct 29
WyomingApr 28 – Jun 20Aug 31 – Oct 10

Earliest and latest average dates across each state's towns, from NOAA records for 1991 to 2020. Pick a state to see every town.