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Average First and Last Frost Dates for US
WARNING! Average frost dates are only a rough guide since the dates can vary by two or three weeks in any year. In very rough terms, California, southern Arizona, and areas along the Gulf Coast can plant in March or earlier. The lower South in early April; the Ohio River Valley, late April; and most other regions in early May. At spring planting time, it's best to take close notice of the local long term weather forecast to tell whether it is safe to plant tender plants . US Map
States
Cities
Last Frost Day
First Frost Day
Growing Season Length
Alabama
Birmingham
March 29
November 6
221 Days
Mobile
February 27
November 26
272 Days
Montgomery
March 28
October 29
217 Days
Tuscaloosa
April 6
October 20
197 Days
Alaska
Anchorage
May 17
September 23
130 Days
Juneau
May 16
September 28
133 Days
Fairbanks
May 25
August 25
91 Days
Arizona
Flagstaff
June 13
September 21
99 Days
Phoenix
February 5
December 15
308 Days
Tucson
February 28
November 29
273 Days
Yuma
February 19
December 14
298 Days
Arkansas
Fayetteville
April 21
October 17
179 Days
Fort Smith
April 14
October 18
Days
Little Rock
March 23
November 9
230 Days
California
Bakersfield
March 3
November 20
262 Days
Barstow
April 15
October 29
197 Days
Berkeley
January 19
December 26
341 Days
Bishop
May 25
September 26
125 Days
Blythe
March 1
November 28
272 Days
Chico
April 23
October 30
190 Days
Eureka
March 14
November 15
246 Days
Fresno
February 22
November 25
273 Days
Klamath
April 27
October 28
209 Days
Lompoc
April 11
November 7
210 Days
Los Angeles
Freeze unlikely
365 Days
Modesto
March 28
November 10
227 Days
Monterey
February 11
December 11
303 Days
Napa
April 28
November 30
206 Days
Oxnard
February 9
December 24
318 Days
Palmdale
May 2
October 27
178 Days
Palm Springs
March 6
November 18
257 Days
Palo Alto
March 30
November 9
224 Days
Pasadena
February 3
December 13
313 Days
Pomona
April 1
November 16
229 Days
San Jose
February 19
November 23
227 Days
San Luis Obispo
March 27
November 22
240 Days
Santa Barbara
February 26
December 4
281 Days
Santa Rosa
May 1
November 5
188 Days
Sacramento
February 14
December 1
289 Days
San Bernardino
February 23
December 8
294
San Diego
No Freezes
365 Days
San Francisco
January 8
January 5
362 Days
Visalia
March 17
November 8
236 Days
Colorado
Denver
May 3
October
157 Days
Durango
June 4
September 18
105 Days
Connecticut
Hartford
April 25
October 10
167 Days
Delaware
Wilmington
April 13
October 31
198 Days
D.C.
Washington
April 10
October 31
203 Days
Florida
Avon Park
March 1
December 6
Days
Ft. Lauderdale
February 1
January 16
350 Days
Fort Pierce
February 19
December 15
Days
Fort Lauderdale
February 1
January 16
Days
Gainesville
March 29
November 5
Days
Jacksonville
February 14
November 16
303 Days
Miami
none
none
365 Days
Orlando
January 31
December 17
320 Days
Pensacola
March 20
November 8
Days
Tallahassee
April 5
October 28
Days
Tampa
February 25
December 3
338 Days
Georgia
Albany
March 31
October 26
Atlanta
March 13
November 12
243 Days
Augusta
April 15
October 23
Blairsville
May 21
September 29
Brunswick
March 18
November 15
Columbus
April 8
October 27
Macon
April 4
October 27
Rome
April 21
October 12
Savannah
March 10
November 15
250 Days
Waycross
April 5
October 22
Idaho
Boise
May 8
October 9
153 Days
Pocatello
May 20
September 20
122 Days
Illinois
Chicago
April 14
November 2
201 Days
Springfield
April 17
October 19
185 Days
Indiana
Indianapolis
April 22
October 19
185 Days
Iowa
Des Moines
April 19
October 17
180 Days
Kansas
Wichita
April 13
October 25
193 Days
Kentucky
Louisville
April 1
November 7
220 Days
Louisiana
Alexandria
March 26
October 31
Baton Rouge
March 18
November 4
Monroe
March 9
November 7
242 Days
New Orleans
February 20
December 5
288 Days
Shreveport
April 2
October 27
Maine
Portland
May 10
September 30
143 Days
Maryland
Baltimore
March 26
November 13
231 Days
Massachusetts
Boston
April 6
November 10
217 Days
Worcester
April 27
October 17
172Days
Michigan
Detroit
April 24
October 22
181 Days
Marquette
May 12
October 19
159 Days
Minnesota
Duluth
May 21
September 21
122 Days
Minneapolis
April 30
October 13
166 Days
Mississippi
Biloxi
March 18
November 8
Days
Columbus
March 27
October 29
215 Days
Holly Springs
April 15
October 18
Jackson
March 17
November 18
250 Days
Missouri
Jefferson City
April 28
October 16
173 Days
St. Louis
April 3
November 6
217 Days
Montana
Billings
May 12
September 23
133 Days
Nebraska
Lincoln
March 13
November 13
180 Days
Nevada
Las Vegas
March 7
November 21
259 Days
New Hampshire
Concord
May 23
September 22
121 Days
New Jersey
Newark
April 4
November 10
219 Days
Trenton
April 6
November 7
214 Days
New Mexico
Albuquerque
April 16
October 29
196 Days
Los Alamos
May 8
October 13
157 Days
New York
Albany
May 7
September 29
144 Days
New York City
April 1
November 11
233 Days
Rochester
May 3
October 15
164 Days
Syracuse
April 28
October 16
170 Days
North Carolina
Asheville
April 10
October 24
195 Days
Charlotte
March 21
November 15
239 Days
Durham
April 29
October 11
Morehead City
April 11
November 3
Raleigh
April 11
October 27
198 Days
North Dakota
Bismark
May 14
September 20
129 Days
Ohio
Akron
May 3
October 18
168 Days
Cincinnati
April 14
October 27
195 Days
Cleveland
May 18
October 5
Columbus
April 26
October 17
195 Days
Dayton
April 27
October 16
Lima
May 19
September 24
Toledo
May 16
September 29
Youngstown
May 24
September 29
Oklahoma
Oklahoma City
March 28
November 7
224 Days
Tulsa
March 30
November 4
218 Days
Oregon
Portland
April 3
November 7
217 Days
Pennsylvania
Allentown
April 20
October 18
Philadelphia
April 6
November 4
Days
Pittsburgh
April 16
November 3
201 Days
Rhode Island
Providence
May 8
September 30
144 Days
South Carolina
Anderson
April 15
October 19
Beaufort
March 28
November 1
Days
Charleston
March 11
November 20
253 Days
Columbia
April 4
November 2
211 Days
Conway
April 3
October 26
Days
Florence
March 10
November 11
Days
South Dakota
Rapid City
May 7
September 29
145 Days
Tennessee
Chattanooga
April 18
October 19
Kingsport
April 29
October 7
Knoxville
April 9
October 7
Memphis
March 23
November 7
228 Days
Nashville
April 5
October 29
209 Days
Texas
Amarillo
April 30
October 14
Days
Austin
March 21
November 5
Days
Brownsville
February 15
December 17
Days
Dalhart
May 9
October 11
Days
Dallas/Ft. Worth
March 18
November 12
239 Days
El Paso
April 14
October 28
Days
Henderson
April 2
October 29
Days
Houston
February 4
December 10
309 Days
Longview
April 2
October 29
Days
Midland
April 11
October 21
Days
Port Lavaca
March 15
November 17
Days
San Angelo
April 12
October 22
Days
San Antonio
March 3
November 24
265 Days
Wichita Falls
April 13
October 24
Days
Utah
Salt Lake City
April 23
November 1
203 Days
Vermont
Burlington
May 11
October 1
142 Days
Virginia
Norfolk
March 23
November 17
239 Days
Richmond
April 10
October 26
198 Days
Washington
Seattle
March 24
November 11
232 Days
Spokane
May 4
October 5
153 Days
Wisconsin
Green Bay
May 12
October 2
175 Days
Milwaukee
May 5
October 9
156 Days
Wyoming
Casper
May 22
September 22
123 Days
More cities and more precise information is available at: NOAA Freeze/Frost Dates .
Temperature
Conversion Calculator
For those who appreiciate winter and nature
Stopping By The Woods On A Snowy Evening
By Robert Frost
Whose woods these are I think I know,
His house is in the village though.
He will not see me stopping here,
To watch his woods fill up with snow.
My little horse must think it queer,
To stop without a farmhouse near,
Between the woods and frozen lake,
The darkest evening of the year.
He gives his harness bells a shake,
To ask if there is some mistake.
The only other sound's the sweep,
Of easy wind and downy flake.
The woods are lovely, dark and deep,
But I have promises to keep,
And miles to go before I sleep,
And miles to go before I sleep.
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