Frost Free Dates for U.S.


Frost Free Dates in the United States
Alabama through Wyoming
To use this chart, find the city nearest where you live. Adjust dates accordingly depending on whether your climate is cooler or warmer. Remember that the dates provided are averages only and will vary from year to year.If you are using this chart to select a shipping date for vegetable seedlings, we strongly recommend a conservative approach. Tomatoes should not be set out unprotected until several weeks after your last frost date, when nighttime temperatures are in the mid 40s or above.


State City Last Frost (spring) First Frost (fall)
Alabama Andalusia April 1 November 6
Alabama Birmingham March 19 November 14
Mobile February 17 December 12
Montgomery March 31 November 2
* * *
Arkansas Fort Smith March 21 November 10
Little Rock March 17 November 13
Texarkana March 21 November 9
* * *
Arizona Phoenix February 5 December 6
Arizona Prescott May 7 October 18
Tucson March 19 November 19
* * *
California Bakersfield February 21 November 25
Eureka March 10 November 18
Fresno March 14 November 19
Lookout June 5 Unavailable
Los Angeles January 3 December 28
Marysville February 21 November 21
Palm Springs January 18 December 18
Pasadena February 3 December 13
Red Bluff March 6 December 5
Riverside March 6 November 26
Sacramento February 6 December 10
San Diego Never! Never!
San Francisco January 7 December 29
San Jose February 10 January 6
Santa Barbara January 22 December 19
Santa Rosa April 10 November 3
* * *
Colorado Denver April 26 October 14
Pueblo April 23 October 14
* * *
Connecticut Bridgeport April 26 October 16
Hartford April 22 October 19
New Haven April 15 October 27
* * *
Delaware Wilmington April 18 October 26
* * *
District of Columbia Washington March 29 November 9
Florida Jacksonville February 16 December 16
Miami Never! Never!
Tampa January 10 December 26
* * *
Georgia Atlanta March 21 November 18
Augusta March 14 November 1
Rome April 10 October 27
Savannah March 24 November 29
* * *
Iowa Des Moines April 24 October 16
Sioux City April 27 October 13
* * *
Idaho Boise April 23 October 17
Pocatello April 28 October 6
* * *
Illinois Chicago April 25 October 22
Peoria April 22 October 20
Rockford May 13 September 25
Springfield April 20 October 23
* * *
Indiana Fort Wayne April 24 October 20
Indianapolis April 17 October 27
* * *
Kentucky Lexington April 13 October 28
Louisville April 1 November 7
* * *
Kansas Topeka April 9 October 26
Wichita April 5 November 1
* * *
Louisiana New Orleans February 20 December 9
Shreveport March 8 November 15
* * *
Massachusetts Boston April 5 November 8
Pittsfield May 12 September 27
Worcester May 7 October 2
* * *
Maine Bangor May 1 October 4
Caribou May 19 September 21
Greenville May 27 September 20
Portland April 29 October 15
* * *
Maryland Baltimore March 28 November 19
Maryland Rockville April 16 October 21
* * *
Massachusetts Scituate May 4 October 17
Michigan Detroit April 21 October 20
Grand Rapids April 23 October 30
Marquette May 13 October 19
* * *
Minnesota Duluth May 22 September 24
Minneapolis April 20 October 13
* * *
Missouri Kansas City April 6 October 30
St. Louis April 9 November 1
Springfield April 12 October 30
* * *
Montana Great Falls May 9 September 25
* * *
Nebraska North Platte April 20 October 7
Omaha April 14 October 20
* * *
Nevada Las Vegas March 16 November 10
Reno May 8 October 10
* * *
State City Last Frost (spring) First Frost (fall)
New Mexico Albuquerque April 13 October 28
Santa Fe April 24 October 19
* * *
New Hampshire Concord May 11 September 30
* * *
New Jersey Atlantic City March 31 November 11
Newark April 3 November 8
Trenton April 4 November 8
* * *
New York Albany April 27 October 13
Binghamton May 4 October 6
Buffalo May 20 September 23
Canton May 9 September 26
Elmira May 31 September 18
New York City environs April 13 October 28
Saratoga Springs May 20 September 20
Scarsdale May 9 october 1
Syracuse May 14 October 3
Watertown May 7 October 4
* * *
* * *
North Dakota Bismarck May 11 September 24
North Carolina Asheville April 12 October 24
Wilmington March 8 October 24
Ohio Cincinnati April 13 October 23
Cleveland April 30 October 23
Columbus April 24 October 20
* * *
Oklahoma Oklahoma City March 28 November 7
Tulsa March 25 November 1
* * *
Oregon Bend June 8 September 7
Eugene April 13 November 4
Portland March 6 November 24
* * *
Pennsylvania Altoona May 6 October 4
Harrisburg April 9 October 30
Philadelphia April 15 October 15
Pittsburgh April 20 October 23
Scranton April 24 October 14
Williamsport May 3 October 13
* * *
Rhode Island Providence April 13 October 27
* * *
South Carolina Colombia March 14 November 21
Charleston February 19 December 10
South Dakota Huron May 4 September 30
Rapid City May 7 October 4
Sioux Falls Unavailable October 3
* * *
Tennesee Knoxville March 31 November 6
Memphis March 20 November 12
Nashville March 28 November 7
Texas Corpus Christi January 26 December 27
Dallas March 18 November 17
El Paso March 26 November 14
Houston March 14 November 21
Lubbock April 1 November 9
Utah Ogden May 6 October 8
Salt Lake City April 13 October 22
Vermont Burlington May 8 October 3
St. Johnsbury May 22 September 23
Virginia Charlottesville April 11 November 6
Richmond March 29 November 2
Roanoke April 14 October 26
Washington Seattle March 14 November 24
Yakima April 15 October 22
West Virginia Charleston April 18 October 28
Parkersburg April 16 October 21
Wisconsin Green Bay May 6 October 13
Lc Crosse May 1 October 8
Milwaukee April 20 October 25
Wyoming Cheyenne May 14 October 2
Yakima April 15 October 22

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