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Frost Free Dates throughout the United States

Alabama through Nevada

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. If you would like to add a location to this chart to assist gardeners in your area, please forward this information to us at info@naturalgardening.com. Thank you!

State
City
Last Frost (spring)
First Frost (fall)
Alabama
Birmingham
March 19
November 14
Mobile
February 17
December 12
Montgomery
February 27
December 3
*
*
*
Arkansas
Fort Smith
March 21
November 10
Little Rock
March 17
November 13
Texarkana
March 21
November 9
*
*
*
Arizona
Phoenix
February 5
December 6
Tucson
March 19
November 19
*
*
*
California
Bakersfield
February 21
November 25
Eureka
March 10
November 18
Fresno
March 14
November 19
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 20
October 12
Savannah
February 27
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 19
October 28
Peoria
April 22
October 20
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
*
*
*
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
*
*
*

Click here to go on to New Mexico through Wyoming.