FROST DATE CALENDAR
Last Spring Frost First Fall Frost Growing Season
A L A B A M A BirminghamMobileMontgomery
April 3March 6March 24
Nov. 5Nov. 29Nov. 6
215 days267 days226 days
ALASKA
AnchorageFairbanksJuneau
May 4May 20April 27
Sept. 22Sept.1Oct.13
140 days103 days168 days
ARIZONA
FlagstaffPhoenixTucson
June 11January 20February 5
Sept. 23Dec. 27Dec. 7
103 days340 days304 days
ARKANSAS
FayettevilleLittle Rock
April 14March 28
Oct. 19Nov. 7
187 days223 days
CALIFORNIA
BakersfieldFresnoLos AngelesMontereySacramentoSan JoseSanta Rosa
Feb. 4Feb. 13N/AJan. 20Feb. 21Jan. 28Feb. 26
Dec. 5Dec. 1N/ADec. 28Nov. 26Dec. 8Nov. 26
303 days290 daysN/A341 days277 days313 days272 days
Last Spring Frost First Fall Frost Growing Season
C O L O R A D O DenverPuebloVail
May 4May 2Year-Round Risk
Oct. 5Oct. 6Year-Round Risk
153 days156 daysN/A
CONNECTICUT
HartfordNew Haven
May 1April 30
Oct. 8Oct. 10
159 days162 days
DELAWARE
Wilmington April 12
Nov. 1
202 days
DISTRICT OF
COLUMBIA April 2
Nov. 10 221 days
FLORIDA
JacksonvilleMiamiNaplesOrlandoPanama CityTallahasseeTampaWest Palm Beach
Feb. 17N/AJan. 25Jan. 29Feb. 17March 29Jan. 27Jan. 21
Dec. 10N/AJan. 1Jan. 1Dec. 8Nov. 9Dec. 27Jan. 2
295 daysN/A340 days336 days293 days224 days333 days345 days
GEORGIA
AthensAtlantaMaconSavannah
April 3March 29April 1March 15
Nov. 4Nov.13Nov. 2Nov. 20
214 days228 days214 days249 days
HAWAI I
Honolulu
N/A N/A N/A
Last Spring Frost First Fall Frost Growing Season
I D A H OBosieCoeur d' AleneIdaho FallsLewiston
May 7May 1May 25April 21
Oct. 7Oct. 8Sept. 18Oct. 17
152 days159 days115 days178 days
ILL INOIS
BloomingtonChicagoSpringfield
May 4April 18April 23
Oct. 4Oct. 29Oct. 9
152 days193 days168 days
INDIANA
Fort WayneIndianapolis
May 1April 25
Oct. 9Oct. 14
160 day171 days
IOWA
April 30April 23
Oct. 5Oct. 11
157 days170 days
KANSAS
TopekaWichita
April 22April 16
Oct. 13Oct. 23
173 days189 days
KENTUCKY
LexingtonLouisville
April 20April 10
Oct. 21Oct. 30
183 days202 days
LOUIS IANA
Baton RougeNew OrleansShreveport
March 8Feb.17March 16
Nov. 23Dec.12Nov.14
259 Days297 Days242 Days
Cedar RapidsDes Moines
Last Spring Frost First Fall Frost Growing Season
M A I N EAugustaBangorPortland
May 1May 11May 5
Oct. 9Sept. 30Oct. 5
160 Days141 Days152 Days
MARYLAND
AnnapolisBaltimoreCumberlandSalisbury
April 4March 27April 20April 10
Nov. 7Nov. 17Oct. 16Nov. 1
216 days234 days178 days204 days
MASSACHUSETTS
BostonSpringfield
April 10May 8
Nov. 3Oct. 2
206 days146 days
MICHIGAN
April 23May 9May 27
Oct. 23Oct. 4Oct. 1
182 day147 days126 days
MINNESOTA
DuluthMinneapolis
May 25April 29
Sept. 22Oct. 8
119 days161 days
MISSISS IPP I
HattiesburgJacksonTupelo
March 21March 19April 5
Nov. 10Nov. 11Oct. 29
233 days236 days206 days
MONTANA
BillingsBozemanMissoula
May 14June 6May 24
Sept. 25Sept. 12Sept. 22
133 days97 days120 days
DetroitLansingTraverse City
Last Spring Frost First Fall Frost Growing Season
N E B R A S K ALincolnNorth PlatteScottsbluff
April 27May 6May 13
Oct. 6Sept. 30Sept. 24
161 days146 days133 days
NEVADA
Carson CityLas VegasReno
May 28Feb. 15May 9
Sept. 26Nov. 27Oct. 15
120 days284 days158 days
NEW HAMPSHIRE
Concord May 19 Sept. 24 127 days
NEW JERSEY
April 8April 22
Nov. 4Oct. 18
209 days178 days
NEW MEXICO
AlbuquerqueLas CrucesSanta Fe
April 15March 31May 20
Oct. 30Nov. 4Oct. 1
197 days217 days133 days
NEW YORK
AlbanyBuffaloNew York City
May 4May 7April 5
Oct. 5Oct. 6Nov. 12
153 days151 days220 days
NORTH CAROLINA
CharlotteGreensboroRaleighWilmington
April 11April 10April 8March 27
Oct. 28Oct. 31Oct 29Nov. 13
199 days203 days203 days230 days
NewarkTrenton
Last Spring Frost First Fall Frost Growing Season
N O R T H D A K O T ABismarckFargo
May 19May 10
Sept. 19Sept. 28
122 days140 days
OKLAHOMA
Oklahoma CityTulsa
April 3April 4
Nov. 3Nov. 1
213 days210 days
OREGON
Bend PortlandSalem
Year-Round RiskMarch 11April 28
Year-Round RiskNov. 22Oct. 19
N/A 255 days173 days
PENNSYLVANIA
April 5April 23
Nov. 11Oct. 19
219 days178 days
RHODE ISLAND
NarragansettProvidence
March 12April 19
Oct. 2Oct. 19
142 days182 days
SOUTH CAROLINA
CharlestonGreenville
Feb. 19April 3
Dec. 15Nov. 5
298 days215 days
SOUTH DAKOTA
PierreSioux Falls
May 8May 9
Sept. 26Sept. 24
140 days137 days
PhiladelphiaPittsburgh
OHIO
CincinnatiClevelandColumbus
April 23April 13April 29
Oct. 16Nov. 4Oct. 8
175 days204 days161 days
Last Spring Frost First Fall Frost Growing Season
T E N N E S S E EChattanoogaMemphisNashville
April 8March 27April 12
Nov. 2Nov. 8Oct. 28
207 days225 days198 days
TEXAS
AmarilloAustinDallasEl PasoHouston
April 21March 1March 12March 25Feb. 17
Oct. 18Nov. 30Nov. 22Nov. 8Dec. 10
179 days273 days254 days227 days295 days
UTAH
ProvoSalt Lake City
April 30April 20
Oct. 13Oct. 31
165 days193 days
VERMONT
May 10May 21
Oct. 3Sept. 24
145 days125 days
VIRGINIA
RichmondVirginia Beach
April 10April 3
Oct. 30Nov. 10
202 days220 days
WASHINGTON
OlympiaSeattleSpokane
May 4March 17May 10
Oct. 6Nov. 16Oct. 4
154 days243 days146 days
WEST VIRGINIA
CharlestonMorgantown
April 23April 30
Oct. 18Oct. 16
177 days168 days
BurlingtonMontpelier
Last Spring Frost First Fall Frost Growing Season
W I S C O N S I NGreen BayMadison
May 11April 28
Sept. 29Oct. 8
140 days162 days
WYOMING
CasperCheyenneJackson
May 31May 18Year-Round Risk
Sept. 16Sept. 24Year-Round Risk
107 days128 daysN/A
*Source: The Old Farmer’s Almanac