Planing your garden? Wondering when to prune before spring or cover before winter? Find the city nearest to you in the list below to estimate the first date of frost in fall, and the last date of frost in the spring for your region.
Alabama
City
Spring
Fall
Birmingham
30-March
6-Nov
Clanton
29-March
5-Nov
Dayton
23-March
5-Nov
Evergreen
21-March
11-Nov
Fayette
29-March
3-Nov
Alaska
City
Spring
Fall
Anchorage
4-May
24-Sep
Ruby
27-May
30-Aug
Beaver Falls
13-April
1-Nov
Bethel
28-May
16-Sept
Fairbanks
21-May
Sept-1
Arizona
City
Spring
Fall
Ajo
27-Jan
10-Dec
Flagstaff
10-Jun
23-Sep
Fort Valley
10-Jun
23-Sep
Holbrook
29-April
18-Oct
Kingman
10-April
5-Nov
Arkansas
City
Spring
Fall
Corning
1-Apr
30-Oct
Fayetteville
11-Apr
25-Oct
Fort Smith
3-Apr
1-Nov
Jonesboro
7-Apr
27-Oct
Little Rock
28-March
4-Nov
California
City
Spring
Fall
Los Angeles
N/A
Infrequent
San Diego
N/A
Infrequent
Klamath
30-March
9-Nov
San Francisco
N/A
Infrequent
Colorado
City
Spring
Fall
Aspen
8-Jun
19-Sept
Boulder
11-May
30-Sep
Denver
4-May
6-Sep
Steamboat Springs
14-June
7-Sept
Telluride
year-round
risk
Connecticut
City
Spring
Fall
Danbury
26-April
14-Oct
Falls Village
18-May
30-Sep
Hartford
23-April
20-Oct
Mt. Carmel
23-April
20-Oct
Norwalk
23-April
16-Oct
Delaware
City
Spring
Fall
Dover
9-Apr
31-Oct
Georgetown
9-Apr
31-Oct
Milford
18-April
24-Oct
Newark
14-April
28-Oct
Wilmington
18-Apr
30-Oct
Florida
City
Spring
Fall
Avon Park
N/A
Infrequent
Everglades
25-Jan
8-Jan
Fort Lauderdale
N/A
Infrequent
Fort Pierce
2-Feb
2-Jan
Gainesville
13-Mar
24-Nov
Jacksonville
15-Feb
24-Dec
Georgia
City
Spring
Fall
Albany
19-Mar
14-Nov
Blairsville
2-May
14-Oct
Columbus
14-March
16-Nov
Macon
29-March
4-Nov
Rome
7-Apr
30-Oct
Idaho
City
Spring
Fall
Boise
30-April
14-Oct
Challis
20-May
20-Sep
Grouse
9-June
13-Sept
Idaho Falls
17-May
25-Sep
Moscow
year-round
risk
Illinois
City
Spring
Fall
Aledo
29-April
14-Oct
Cairo
8-Apr
26-Oct
Chicago
17-Apr
1-Nov
Peoria
23-April
18-Oct
Rockford
30-April
12-Oct
Indiana
City
Spring
Fall
Evansville
2-Apr
4-Nov
Ft. Wayne
1-May
16 Oct
Gary
29-April
22-Oct
Indianapolis
26-April
16-Oct
Muncie
22-April
20-Oct
Iowa
City
Spring
Fall
Ames
2-May
2-Oct
Cedar Rapids
4-May
7-Oct
Davenport
24-Apr
17-Oct
Decorah
9-May
1-Oct
Des Moines
24-April
14-Oct
Kansas
City
Spring
Fall
Independence
12-Apr
25-Oct
Phillipsburg
1-May
11-Oct
Salina
23-May
19-Oct
Topeka
20-April
17-Oct
Wichita
18-April
23-Oct
Kentucky
City
Spring
Fall
Ashland
13-May
30-Sep
Bowling Green
28-Apr
7-Oct
Lexington
3-May
10-Oct
Louisville
19-Apr
20-Oct
Williamsburg
11-May
6-Oct
Louisiana
City
Spring
Fall
Bastrop
28-Mar
24-Oct
Elizabeth
1-Apr
28-Oct
Houma
18-Mar
6-Nov
Lafayette
17-Mar
6-Nov
New Orleans
21-Mar
15-Nov
Maine
City
Spring
Fall
Augusta
12-May
22-Sep
Bar Harbor
17-May
3-Oct
Lewiston
10-May
3-Oct
Portland
25-May
18-Sep
Presque Isle
6-Jun
4-Sep
Maryland
City
Spring
Fall
Annapolis
23-Apr
11-Oct
Baltimore
11-Apr
29-Oct
Cambridge
26-Apr
13-Oct
Hagerstown
3-May
29-Sep
Oakland
5-Jun
10-Sep
Massachusetts
City
Spring
Fall
Boston
3-May
5-Oct
Greenfield
26-May
16-Sep
Haverhill
2-May
6-Oct
Hyannis
26-May
25-Sep
New Bedford
20-Apr
22-Oct
Michigan
City
Spring
Fall
Battle Creek
20-May
21-Sep
Grand Haven
10-May
2-Oct
Lansing
31-May
18-Sep
Sault Saint Marie
10-Jun
12-Sep
Traverse City
9-Jun
17-Sep
Minnesota
City
Spring
Fall
Duluth
4-Jun
10-Sep
Faribault
24-May
15-Sep
Hallock
9-Jun
10-Sep
Marshall
19-May
24-Sep
St. Paul
21-May
15-Sep
Mississippi
City
Spring
Fall
Biloxi
18-Mar
8-Nov
Columbus
11-Apr
15-Oct
Greenville
2-Apr
27-Oct
Gulfport
17-Mar
7-Nov
Hattiesburg
3-Apr
24-Oct
Missouri
City
Spring
Fall
Charleston
17-Apr
10-Oct
Hannibal
19-Apr
9-Oct
Jefferson City
13-May
1-Oct
Joplin
26-Apr
13-Oct
Kansas City
30-Apr
9-Oct
Montana
City
Spring
Fall
Bozeman
19-Jun
31-Aug
Butte
1-Jul
23-Aug
Glendive
19-May
10-Sep
Hamilton
12-Jun
6-Sep
Helena
2-Jun
2-Sep
Nebraska
City
Spring
Fall
Falls City
3-May
3-Oct
Grand Island
16-May
26-Sep
Lincoln
9-May
30-Sep
North Platte
25-May
10-Sep
Omaha
12-May
23-Sep
Nevada
City
Spring
Fall
Carson City
18-Jun
2-Sep
Elko
26-Jun
20-Aug
Ely
30-Jun
21-Aug
Fallon
30-May
14-Sep
Las Vegas
3-Apr
7-Nov
New Hampshire
City
Spring
Fall
Bethlehem
9-Jun
9-Sep
Concord
9-Jun
8-Sep
Hanover
30-May
18-Sep
Keene
4-Jun
11-Sep
Lakeport
21-May
30-Sep
New Jersey
City
Spring
Fall
Atlantic City
15-May
28-Sep
Hammonton
25-Apr
3-Oct
Jersey City
18-Apr
19-Oct
Millville
29-Apr
10-Oct
Newark
15-Apr
26-Oct
New Mexico
City
Spring
Fall
Carlsbad
15-Apr
25-Oct
Fort Sumner
3-May
9-Oct
Gallup
14-Jun
15-Sep
Hobbs
15-Apr
21-Oct
Las Vegas
29-May
22-Sep
New York
City
Spring
Fall
Dannemora
27-May
2-Sep
Elmira
31-May
18-Sep
Fredonia
19-May
4-Oct
Gloversville
24-May
17-Sep
Lake Placid
19-Jun
29-Aug
New York City
13-Apr
27-Oct
North Carolina
City
Spring
Fall
Charlotte
25-Apr
14-Oct
Durham
29-Apr
11-Oct
Elizabeth City
20-Apr
21-Oct
Greensboro
22-Apr
14-Oct
Lumberton
23-Apr
13-Oct
North Dakota
City
Spring
Fall
Bismarck
26-May
7-Sep
Cavalier
2-Jun
8-Sep
Crosby
5-Jun
31-Aug
Dickinson
9-Jun
28-Aug
Fargo
25-May
12-Sep
Ohio
City
Spring
Fall
Athens
31-May
19-Sep
Cincinnati
29-Apr
13-Oct
Cleveland
18-May
5-Oct
Columbus
9-May
3-Oct
Dayton
27-Apr
16-Oct
Oklahoma
City
Spring
Fall
Boise City
12-May
4-Oct
Kingfisher
24-Apr
15-Oct
Lawton
15-Apr
21-Oct
Oklahoma City
15-Apr
16-Oct
Tulsa
13-Apr
21-Oct
Oregon
City
Spring
Fall
Baker City
29-Jun
26-Aug
Eugene
22-May
1-Oct
Klamath Falls
28-Jun
31-Aug
Portland
26-Apr
18-Oct
Tillamook
28-May
22-Sep
Pennsylvania
City
Spring
Fall
Allentown
5-May
2-Oct
Gettysburg
4-May
29-Sep
Harrisburg
4-May
4-Oct
Johnstown
14-May
26-Sep
Meadville
29-May
24-Sep
Rhode Island
City
Spring
Fall
Block Island
20-Apr
29-Oct
Kingston
23-May
17-Sep
South Carolina
City
Spring
Fall
Beaufort
28-Mar
1-Nov
Charleston
6-Apr
30-Oct
Conway
3-Apr
26-Oct
Greenville
5-May
8-Oct
Union
25-Apr
13-Oct
South Dakota
City
Spring
Fall
Custer
3-Jul
17-Aug
Gettysburg
23-May
14-Sep
Huron
27-May
15-Sep
Ludlow
6-Jun
31-Aug
Mobridge
19-May
20-Sep
Pierre
2-Jun
8-Sep
Tennessee
City
Spring
Fall
Chattanooga
18-Apr
19-Oct
Knoxville
9-Apr
23-Oct
Martin
21-Apr
13-Oct
Memphis
8-Apr
27-Oct
Nashville
16-Apr
14-Oct
Texas
City
Spring
Fall
Amarillo
30-Apr
14-Oct
Austin
21-Mar
5-Nov
Dallas/Fort Worth
8-Apr
24-Oct
El Paso
14-Apr
28-Oct
San Antonio
23-Mar
6-Nov
Utah
City
Spring
Fall
Ogden
20-May
4-Oct
Pleasant Grove / Provo
25-May
27-Sep
Salt Lake City
8-May
11-Oct
St. George
11-Apr
22-Oct
Vernal
14-Jun
12-Sep
Vermont
City
Spring
Fall
Burlington
25-May
19-Sep
Chealsea
23-Jun
27-Aug
Dorset
14-Jun
2-Sep
Montpelier
3-Jun
8-Sep
Newport
6-Jun
10-Sep
Virginia
City
Spring
Fall
Charlottesville
18-Apr
18-Oct
Lexington
14-May
1-Oct
Norfolk
6-Apr
31-Oct
Richmond
27-Apr
13-Oct
Williamsburg
1-May
15-Oct
Washington
City
Spring
Fall
Davenport
15-Jun
6-Sep
Olympia
17-May
30-Sep
Seattle
20-Apr
27-Oct
Spokane
20-May
19-Sep
Tacoma
20-Apr
25-Oct
West Virginia
City
Spring
Fall
Charleston
9-May
5-Oct
Elkins
1-Jun
20-Sep
Parkersburg
9-May
2-Oct
Pineville
16-May
2-Oct
Wardensburg
22-May
20-Sep
Wisconsin
City
Spring
Fall
Eau Claire
26-May
15-Sep
Green Bay
26-May
18-Sep
Lacrosse
15-May
29-Sep
Madison
13-May
25-Sep
Milwaukee
20-May
26-Sep
Wyoming
City
Spring
Fall
Casper
8-Jun
7-Sep
Cheyenne
8-Jun
9-Sep
Gillette
2-Jun
3-Sep
Jackson
28-Jul
31-Jul
Laramie
26-Jun
26-Aug
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