FROST DATE CALENDAR Last Spring Frost First Fall Frost Growing Season A L A B A M A Birmingham April 3 Nov. 5 215 days Mobile March 6 Nov. 29 267 days Montgomery March 24 Nov. 6 226 days A L A S K A Anchorage May 4 Sept. 22 140 days Fairbanks May 20 Sept.1 103 days Juneau April 27 Oct.13 168 days A R I Z O N A Flagstaff June 11 Sept. 23 103 days Phoenix January 20 Dec. 27 340 days Tucson February 5 Dec. 7 304 days A R K A N S A S Fayetteville April 14 Oct. 19 187 days Little Rock March 28 Nov. 7 223 days C A L I F O R N I A Bakersfield Feb. 4 Dec. 5 303 days Fresno Feb. 13 Dec. 1 290 days Los Angeles N/A N/A N/A Monterey Jan. 20 Dec. 28 341 days Sacramento Feb. 21 Nov. 26 277 days San Jose Jan. 28 Dec. 8 313 days Santa Rosa Feb. 26 Nov. 26 272 days Last Spring Frost First Fall Frost Growing Season C O L O R A D O Denver May 4 Oct. 5 153 days Pueblo May 2 Oct. 6 156 days Vail Year-Round Year-Round N/A Risk Risk C O N N E C T I C U T Hartford May 1 Oct. 8 159 days New Haven April 30 Oct. 10 162 days D E L A W A R E Wilmington April 12 Nov. 1 202 days D I S T R I C T O F C O L U M B I A April 2 Nov. 10 221 days F L O R I D A Jacksonville Feb. 17 Dec. 10 295 days Miami N/A N/A N/A Naples Jan. 25 Jan. 1 340 days Orlando Jan. 29 Jan. 1 336 days Panama City Feb. 17 Dec. 8 293 days Tallahassee March 29 Nov. 9 224 days Tampa Jan. 27 Dec. 27 333 days West Palm Beach Jan. 21 Jan. 2 345 days G E O R G I A Athens April 3 Nov. 4 214 days Atlanta March 29 Nov.13 228 days Macon April 1 Nov. 2 214 days Savannah March 15 Nov. 20 249 days H A W A I I Honolulu N/A N/A N/A Last Spring Frost First Fall Frost Growing Season I D A H O Bosie May 7 Oct. 7 152 days Coeur d' Alene May 1 Oct. 8 159 days Idaho Falls May 25 Sept. 18 115 days Lewiston April 21 Oct. 17 178 days I L L I N O I S Bloomington May 4 Oct. 4 152 days Chicago April 18 Oct. 29 193 days Springfield April 23 Oct. 9 168 days I N D I A N A Fort Wayne May 1 Oct. 9 160 day Indianapolis April 25 Oct. 14 171 days I O W A Cedar Rapids April 30 Oct. 5 157 days Des Moines April 23 Oct. 11 170 days K A N S A S Topeka April 22 Oct. 13 173 days Wichita April 16 Oct. 23 189 days K E N T U C K Y Lexington April 20 Oct. 21 183 days Louisville April 10 Oct. 30 202 days L O U I S I A N A Baton Rouge March 8 Nov. 23 259 Days New Orleans Feb.17 Dec.12 297 Days Shreveport March 16 Nov.14 242 Days Last Spring Frost First Fall Frost Growing Season M A I N E Augusta May 1 Oct. 9 160 Days Bangor May 11 Sept. 30 141 Days Portland May 5 Oct. 5 152 Days M A R Y L A N D Annapolis April 4 Nov. 7 216 days Baltimore March 27 Nov. 17 234 days Cumberland April 20 Oct. 16 178 days Salisbury April 10 Nov. 1 204 days M A S S A C H U S E T T S Boston April 10 Nov. 3 206 days Springfield May 8 Oct. 2 146 days M I C H I G A N Detroit April 23 Oct. 23 182 day Lansing May 9 Oct. 4 147 days Traverse City May 27 Oct. 1 126 days M I N N E S O T A Duluth May 25 Sept. 22 119 days Minneapolis April 29 Oct. 8 161 days M I S S I S S I P P I Hattiesburg March 21 Nov. 10 233 days Jackson March 19 Nov. 11 236 days Tupelo April 5 Oct. 29 206 days M O N T A N A Billings May 14 Sept. 25 133 days Bozeman June 6 Sept. 12 97 days Missoula May 24 Sept. 22 120 days Last Spring Frost First Fall Frost Growing Season N E B R A S K A Lincoln April 27 Oct. 6 161 days North Platte May 6 Sept. 30 146 days Scottsbluff May 13 Sept. 24 133 days N E V A D A Carson City May 28 Sept. 26 120 days Las Vegas Feb. 15 Nov. 27 284 days Reno May 9 Oct. 15 158 days N E W H A M P S H I R E Concord May 19 Sept. 24 127 days N E W J E R S E Y Newark April 8 Nov. 4 209 days Trenton April 22 Oct. 18 178 days N E W M E X I C O Albuquerque April 15 Oct. 30 197 days Las Cruces March 31 Nov. 4 217 days Santa Fe May 20 Oct. 1 133 days N E W Y O R K Albany May 4 Oct. 5 153 days Buffalo May 7 Oct. 6 151 days New York City April 5 Nov. 12 220 days N O R T H C A R O L I N A Charlotte April 11 Oct. 28 199 days Greensboro April 10 Oct. 31 203 days Raleigh April 8 Oct 29 203 days Wilmington March 27 Nov. 13 230 days Last Spring Frost First Fall Frost Growing Season N O R T H D A K O T A Bismarck May 19 Sept. 19 122 days Fargo May 10 Sept. 28 140 days O H I O Cincinnati April 23 Oct. 16 175 days Cleveland April 13 Nov. 4 204 days Columbus April 29 Oct. 8 161 days O K L A H O M A Oklahoma City April 3 Nov. 3 213 days Tulsa April 4 Nov. 1 210 days O R E G O N Bend Year-Round Year-Round N/A Risk Risk Portland March 11 Nov. 22 255 days Salem April 28 Oct. 19 173 days P E N N S Y L V A N I A Philadelphia April 5 Nov. 11 219 days Pittsburgh April 23 Oct. 19 178 days R H O D E I S L A N D Narragansett March 12 Oct. 2 142 days Providence April 19 Oct. 19 182 days S O U T H C A R O L I N A Charleston Feb. 19 Dec. 15 298 days Greenville April 3 Nov. 5 215 days S O U T H D A K O T A Pierre May 8 Sept. 26 140 days Sioux Falls May 9 Sept. 24 137 days Last Spring Frost First Fall Frost Growing Season T E N N E S S E E Chattanooga April 8 Nov. 2 207 days Memphis March 27 Nov. 8 225 days Nashville April 12 Oct. 28 198 days T E X A S Amarillo April 21 Oct. 18 179 days Austin March 1 Nov. 30 273 days Dallas March 12 Nov. 22 254 days El Paso March 25 Nov. 8 227 days Houston Feb. 17 Dec. 10 295 days U T A H Provo April 30 Oct. 13 165 days Salt Lake City April 20 Oct. 31 193 days V E R M O N T Burlington May 10 Oct. 3 145 days Montpelier May 21 Sept. 24 125 days V I R G I N I A Richmond April 10 Oct. 30 202 days Virginia Beach April 3 Nov. 10 220 days W A S H I N G T O N Olympia May 4 Oct. 6 154 days Seattle March 17 Nov. 16 243 days Spokane May 10 Oct. 4 146 days W E S T V I R G I N I A Charleston April 23 Oct. 18 177 days Morgantown April 30 Oct. 16 168 days Last Spring Frost First Fall Frost Growing Season W I S C O N S I N Green Bay May 11 Sept. 29 140 days Madison April 28 Oct. 8 162 days W Y O M I N G Casper May 31 Sept. 16 107 days Cheyenne May 18 Sept. 24 128 days Jackson Year-Round Year-Round N/A Risk Risk *Source: The Old Farmer’s Almanac.