If you’re going to be an effective gardener of vegetables, you should acquaint yourself with certain dates on the calendar. One of the most important of those a dates involves the first and last frost. Basically, you want to plant your vegetables between the last and first frost days
Sticking to the window of time is the safest way to go for your vegetables. Plant too early and your plants will get damaged or worse. Plant too late and your vegetable may not have enough to yield any fruit.
So with that in mind, below is a listing of the frost dates for cities across the United States.
First and Last Frost Dates for Cities Across
the United States
| State | City | Average Date of Last Frost | Average date of first frost | Number of Days in Growing Season |
| Alabama | ||||
| Birmingham | March 19 | November 14 | 241 | |
| Mobile | February 17 | December 12 | 298 | |
| Montgomery | February 27 | December 3 | 279 | |
| Alaska | ||||
| Anchorage | May 18 | September 13 | 118 | |
| Cordova | May 10 | October 2 | 145 | |
| Fairbanks | May 24 | August 29 | 97 | |
| Arizona | ||||
| Flagstaff | June 8 | October 2 | 116 | |
| Phoenix | January 27 | December 11 | 317 | |
| Winslow | April 28 | October 21 | 176 | |
| Arkansas | ||||
| Fort Smith | March 23 | November 9 | 231 | |
| Little Rock | March 16 | November 15 | 244 | |
| California | ||||
| Bakersfield | February 14 | November 28 | 287 | |
| Fresno | February 3 | December 3 | 303 | |
| Sacramento | January 24 | December 11 | 321 | |
| Colorado | ||||
| Denver | May 2 | October 14 | 165 | |
| Pueblo | April 28 | October 12 | 167 | |
| Connecticut | ||||
| Hartford | April 22 | October 19 | 180 | |
| New Haven | April 15 | October 25 | 193 | |
| District of Columbia | ||||
| Washington | April 10 | October 28 | 200 | |
| Florida | ||||
| Jacksonville | February 6 | December 16 | 313 | |
| Orlando | January 31 | December 17 | 319 | |
| Tallahassee | February 26 | December 3 | 280 | |
| Tampa | January 10 | December 26 | 349 | |
| Georgia | ||||
| Atlanta | March 20 | November 19 | 244 | |
| Macon | March 12 | November 19 | 252 | |
| Savannah | February 21 | December 9 | 291 | |
| Idaho | ||||
| Boise | April 29 | October 16 | 171 | |
| Pocatello | May 8 | September 30 | 155 | |
| Illinois | ||||
| Cairo | March 23 | November 11 | 233 | |
| Chicago | April 19 | October 28 | 192 | |
| Springfield | April 8 | October 30 | 205 | |
| Urbana | April 22 | October 20 | 151 | |
| Indiana | ||||
| Evansville | April 2 | November 4 | 216 | |
| Fort Wayne | April 24 | October 20 | 179 | |
| Indianapolis | April 17 | October 27 | 193 | |
| Iowa | ||||
| Des Moines | April 20 | October 19 | 183 | |
| Dubuque | April 19 | October 19 | 184 | |
| Kansas | ||||
| Concordia | April 16 | October 24 | 191 | |
| Topeka | April 9 | October 26 | 200 | |
| Wichita | April 5 | November 1 | 210 | |
| Kentucky | ||||
| Lexington | April 13 | October 28 | 198 | |
| Louisville | April 1 | November 7 | 220 | |
| Louisiana | ||||
| Lake Charles | February 18 | December 6 | 291 | |
| New Orleans | February 13 | December 12 | 302 | |
| Shreveport | March 1 | November 27 | 272 | |
| Maine | ||||
| Greenville | May 27 | September 20 | 116 | |
| Presque Isle | May 31 | September 18 | 110 | |
| Portland | April 29 | October 15 | 169 | |
| Maryland | ||||
| Baltimore | March 28 | November 17 | 234 | |
| Cumberland | May 1 | October 10 | 163 | |
| Massachusetts | ||||
| Amherst | May 12 | September 19 | 130 | |
| Boston | April 16 | October 25 | 192 | |
| Nantucket | April 12 | November 16 | 219 | |
| Michigan | ||||
| Detroit | April 25 | October 23 | 181 | |
| Grand Rapids | April 25 | October 27 | 185 | |
| Lansing | May 6 | October 8 | 155 | |
| Minnesota | ||||
| Duluth | May 22 | September 24 | 125 | |
| Minneapolis | April 30 | October 12 | 166 | |
| Mississippi | ||||
| Jackson | March 10 | November 13 | 248 | |
| Biloxi | February 22 | November 28 | 279 | |
| Vicksburg | March 8 | November 15 | 252 | |
| Missouri | ||||
| Columbia | April 9 | October 24 | 198 | |
| Kansas City | April 5 | October 31 | 210 | |
| St. Louis | April 2 | November 8 | 220 | |
| Montana | ||||
| Billings | May 15 | September 24 | 132 | |
| Glasgow | May 19 | September 20 | 124 | |
| Havre | May 9 | September 23 | 138 | |
| Nebraska | ||||
| Lincoln | April 20 | October 17 | 180 | |
| Norfolk | May 4 | October 3 | 152 | |
| Omaha | April 14 | October 20 | 189 | |
| Nevada | ||||
| Las Vegas | March 13 | November 13 | 245 | |
| Reno | May 14 | October 2 | 141 | |
| New Hampshire | ||||
| Concord | May 11 | October 1 | 143 | |
| New Jersey | ||||
| New Brunswick | April 21 | October 19 | 179 | |
| Trenton | April 8 | November 5 | 211 | |
| New Mexico | ||||
| Albuquerque | April 16 | October 29 | 196 | |
| Santa Fe | April 23 | October 19 | 179 | |
| New York | ||||
| Binghamton | May 4 | October 6 | 154 | |
| Buffalo | April 29 | October 23 | 178 | |
| New York | April 7 | November 12 | 219 | |
| North Carolina | ||||
| Charlotte | March 21 | November 15 | 239 | |
| Raleigh | March 24 | November 16 | 237 | |
| Wilmington | March 15 | November 19 | 274 | |
| North Dakota | ||||
| Bismarck | March 21 | November 15 | 136 | |
| Fargo | March 24 | November 16 | 137 | |
| Williston | March 15 | November 19 | 132 | |
| Ohio | ||||
| Cincinnati | April 15 | October 25 | 192 | |
| Cleveland | April 21 | November 2 | 195 | |
| Columbus | April 17 | October 30 | 196 | |
| Dayton | April 20 | October 21 | 184 | |
| Toledo | April 24 | October 25 | 184 | |
| Oklahoma | ||||
| Oklahoma City | March 28 | November 7 | 223 | |
| Tulsa | March 31 | November 2 | 216 | |
| Oregon | ||||
| Medford | April 25 | October 20 | 178 | |
| Portland | February 25 | December 1 | 279 | |
| Salem | April 14 | October 27 | 197 | |
| Pennsylvania | ||||
| Harrisburg | April 10 | October 28 | 201 | |
| Philadelphia | March 30 | November 17 | 232 | |
| Pittsburgh | April 20 | October 23 | 187 | |
| Rhode Island | ||||
| Providence | April 8 | October 27 | 197 | |
| South Carolina | ||||
| Charleston | February 19 | December 10 | 294 | |
| Columbia | March 14 | November 21 | 252 | |
| Greenville | March 23 | November 17 | 239 | |
| South Dakota | ||||
| Huron | May 4 | September 30 | 149 | |
| Rapid City | May 7 | October 4 | 150 | |
| Sioux Falls | May 5 | October 3 | 152 | |
| Tennessee | ||||
| Chattanooga | March 26 | November 10 | 229 | |
| Knoxville | March 31 | November 6 | 220 | |
| Memphis | March 20 | November 12 | 237 | |
| Nashville | March 28 | November 7 | 224 | |
| Texas | ||||
| Brownsville | February 15 | December 10 | 298 | |
| Dallas | March 18 | November 22 | 249 | |
| Houston | February 5 | December 11 | 309 | |
| Plainview | April 10 | November 6 | 211 | |
| Utah | ||||
| Blanding | May 18 | October 14 | 148 | |
| Salt Lake City | April 12 | November 1 | 202 | |
| Vermont | ||||
| Burlington | May 81 | October 3 | 148 | |
| Saint Johnsbury | May 22 | September 25 | 126 | |
| Virginia | ||||
| Norfolk | March 18 | November 27 | 254 | |
| Richmond | April 2 | November 8 | 220 | |
| Washington | ||||
| Seattle | February 23 | December 1 | 281 | |
| Spokane | April 20 | October 12 | 175 | |
| West Virginia | ||||
| Charleston | April 18 | October 28 | 193 | |
| Parkersburg | April 16 | October 21 | 189 | |
| Wisconsin | ||||
| Green Bay | May 6 | October 13 | 161 | |
| La Crosse | May 1 | October 8 | 161 | |
| Madison | April 26 | October 19 | 177 | |
| Milwaukee | April 20 | October 25 | 188 | |
| Wyoming | ||||
| Casper | May 18 | September 25 | 130 | |
| Cheyenne | May 20 | September 27 | 130 | |
| Sheridan | May 21 | September 21 | 123 |