Hardiness zone 8b · 158 stations

Zone 8b Frost Dates: Typical Last Frost Mar 20

Summary across 158 NOAA weather stations whose location falls in zone 8b^*. Dates are the typical (50% chance) frost dates of each station; the table shows the spread between stations.

Typical last frostMarch 20median station, 50% chance
Typical first fall frostNovember 11median station, 50% chance
Frost-free season237 daysmedian station
Weather stations158dates differ by weeks inside a zone

Typical (50%) frost dates across stations in zone 8b
	25% of stations	Median station	75% of stations
Last frost in spring (32°F)	March 14	March 20	March 30
First frost in fall (32°F)	November 7	November 11	November 16
Frost-free days	222	237	246

Frost dates inside one zone differ by weeks: the zone describes winter cold, not the length of the season. Use the station closest to you.

Stations in zone 8b

Weather stations with their typical (50% chance) frost dates
Station	Zone	Last spring frost (50%)	First fall frost (50%)	Frost-free days
Anderson, SC	8b	March 23	November 11	234
Anderson County Airport, SC	8b	March 29	November 8	227
Andrews, SC	8b	March 23	November 13	237
Appling, GA	8b	March 27	November 7	226
Arkansas Post, AR	8b	March 10	November 18	251
Atmore, AL	8b	February 28	November 27	270
Bagdad, AZ	8b	April 7	November 12	217
Ballinger, TX	8b	March 22	November 10	233
Bamberg, SC	8b	March 18	November 12	240
Battle Ground, WA	8b	April 26	October 16	174
Bayboro, NC	8b	March 30	November 8	224
Beaumont Expstation, MS	8b	March 18	November 12	239
Bellingham (Airport), WA	8b	March 31	October 30	211
Bienville, LA	8b	March 19	November 9	237
Blanco, TX	8b	March 20	November 10	236
Boerne, TX	8b	March 15	November 13	243
Brady, TX	8b	March 14	November 15	244
Brewton, AL	8b	March 15	November 15	246
Burleson, TX	8b	March 21	November 14	236
Calhoun Falls, SC	8b	March 27	November 7	226
Calion Lock and Dam, AR	8b	March 18	November 7	235
Carthage, TX	8b	March 8	November 19	255
Center, TX	8b	March 13	November 15	248
Centerville, TX	8b	March 20	November 12	239
Chisos Basin, TX	8b	March 10	November 19	252
Clatskanie, OR	8b	April 24	October 24	184
Cleburne, TX	8b	March 17	November 12	240
Clemson, SC	8b	April 1	November 3	217
Columbia, SC	8b	March 25	November 7	229
Columbia University of SC, SC	8b	March 16	November 16	245
Concrete PPL Fish Station, WA	8b	March 28	November 14	229
Cordele, GA	8b	March 13	November 14	248
Cordes, AZ	8b	April 5	November 17	221
Corsicana, TX	8b	March 14	November 16	246
Cottage Grove, OR	8b	April 24	October 25	183
Cougar, WA	8b	April 1	November 18	227
Coupeville, WA	8b	March 17	November 11	237
Crossett, AR	8b	March 18	November 11	238
Cuthbert, GA	8b	March 21	November 13	236
D'Lo, MS	8b	March 10	November 16	252
Dallas, OR	8b	April 16	November 1	199
Dallas (Dallas-Fort Worth Airport), TX	8b	March 8	November 24	262
Dallas (Love Field), TX	8b	March 2	November 29	272
Darlington, SC	8b	March 30	November 6	221
Denton, TX	8b	March 13	November 20	251
Dermott, AR	8b	March 13	November 10	242
Desert NWR, NV	8b	March 22	November 7	229
Dorena, OR	8b	April 16	October 28	194
Drain, OR	8b	April 16	October 25	193
Dripping Springs, TX	8b	March 17	November 13	242
Edenton, NC	8b	March 24	November 14	238
Elma, WA	8b	May 1	October 14	169
Everett, WA	8b	March 24	November 2	223
Evergreen, AL	8b	March 13	November 19	253
Florence, SC	8b	March 19	November 13	241
Forest Grove, OR	8b	April 16	October 26	192
Forks, WA	8b	April 26	October 25	182
Fredericksburg, TX	8b	March 18	November 10	235
Gainesville Lock, AL	8b	March 19	November 8	239
Greenville, AL	8b	March 28	November 7	224
Hattiesburg, MS	8b	March 7	November 23	261
Hazlehurst, MS	8b	March 14	November 13	245
Henderson, TX	8b	March 15	November 16	247
Hillsboro, TX	8b	March 21	November 10	235
Homer, LA	8b	March 30	November 6	221
Humptulips Salmon Hatchery, WA	8b	April 26	October 22	180
Jackson, AL	8b	March 18	November 12	239
Jackson, MS	8b	March 14	November 14	245
Jena, LA	8b	March 19	November 12	238
Kerrville, TX	8b	March 27	November 7	226
Lacomb, OR	8b	April 26	October 24	184
Lajitas, TX	8b	March 2	November 24	267
Lake Providence, LA	8b	March 5	November 24	263
Laurel, MS	8b	March 12	November 12	244
Leesville, LA	8b	March 20	November 9	234
Longview, WA	8b	April 8	November 5	210
Longwood, NC	8b	March 26	November 11	231
Louisville, GA	8b	March 25	November 7	227
Lumberton, NC	8b	March 24	November 11	234
Madisonville, TX	8b	March 16	November 11	240
Manning, SC	8b	March 25	November 11	232
Marion Junction, AL	8b	March 19	November 9	238
Marshall, TX	8b	March 20	November 11	233
McCamey, TX	8b	March 12	November 16	247
Mercury Desert Rock Airport, NV	8b	March 16	November 17	242
Midville Experiment Station, GA	8b	March 18	November 11	237
Minden, LA	8b	March 17	November 14	241
Monroe, LA	8b	March 8	November 15	253
Montgomery, AL	8b	March 13	November 13	244
Monticello, AR	8b	March 18	November 12	238
Moorhead, MS	8b	March 8	November 20	255
Nacogdoches, TX	8b	March 13	November 17	248
Natchez, MS	8b	March 16	November 9	237
Newhalem, WA	8b	April 2	November 14	224
Norfolk, VA	8b	March 17	November 23	252
Pahrump, NV	8b	March 29	November 3	218
Palmer, WA	8b	April 3	November 11	219
Philadelphia, MS	8b	March 20	November 9	235
Pine Bluff, AR	8b	March 14	November 16	245
Pine Bluff (Grider Field), AR	8b	March 13	November 13	243
Plymouth, NC	8b	March 31	November 7	221
Portland, AR	8b	March 14	November 10	241
Raymond, WA	8b	April 26	October 17	177
Rohwer, AR	8b	March 12	November 14	247
Rusk, TX	8b	March 7	November 25	263
Safford, AZ	8b	March 25	November 9	228
Sequim, WA	8b	April 21	October 20	181
Sexton Summit, OR	8b	May 16	October 30	164
Shreveport, LA	8b	March 9	November 18	255
Silverton, OR	8b	March 28	November 10	227
St. Joseph, LA	8b	March 13	November 10	242
Startup, WA	8b	April 15	October 25	192
Stayton, OR	8b	March 29	November 6	222
Strawberry Valley, CA	8b	May 4	October 30	174
Stuttgart, AR	8b	March 11	November 17	250
Sulphur Springs, TX	8b	March 15	November 14	245
Texarkana, TX	8b	March 15	November 17	249
Toketee Falls, OR	8b	April 29	October 18	171
Troy, AL	8b	March 10	November 21	257
Tyler, TX	8b	March 7	November 21	257
Vancouver, WA	8b	April 26	October 18	177
Williamston, NC	8b	March 20	November 12	239
Wills Point, TX	8b	March 11	November 21	252
Wilmington, NC	8b	March 19	November 20	247
Winnsboro, LA	8b	March 10	November 16	250
Yazoo City, MS	8b	March 4	November 24	267
Yemassee, SC	8b	March 23	November 6	233
near Athens, GA	8b	March 23	November 10	232
near Atlanta, GA	8b	March 15	November 20	252
near Augusta, GA	8b	March 23	November 9	232
near Bellingham, WA	8b	April 1	November 2	216
near Bossier City, LA	8b	March 6	November 18	256
near Brookhaven, MS	8b	March 17	November 12	242
near Cascade Locks, OR	8b	March 14	November 27	257
near Columbus, GA	8b	March 5	November 23	265
near Corvallis, OR	8b	April 17	October 28	194
near Crestview, FL	8b	March 21	November 12	237
near Dunsmuir, CA	8b	April 23	October 27	185
near El Dorado, AR	8b	March 24	November 7	230
near Eugene, OR	8b	April 11	October 23	196
near Fayetteville, NC	8b	March 30	November 10	227
near Fort Worth, TX	8b	March 11	November 19	252
near Geneva, AL	8b	March 23	November 7	231
near Greenville, TX	8b	March 18	November 16	244
near Greenwood, MS	8b	March 17	November 5	231
near Lewiston, CA	8b	April 23	October 22	178
near Longview, TX	8b	March 11	November 17	250
near McComb, MS	8b	March 11	November 18	253
near Medford, OR	8b	April 8	October 29	204
near Meridian, MS	8b	March 16	November 12	239
near New Bern, NC	8b	March 23	November 15	237
near Oakridge, OR	8b	April 24	October 24	183
near Sandy, OR	8b	March 27	November 18	239
near Sierra Vista Southeast, AZ	8b	April 7	November 9	213
near Sweet Home, OR	8b	April 12	October 28	197
near Tubac, AZ	8b	April 5	November 10	217
near Wilderness Rim, WA	8b	April 23	November 1	193

Sources

* zone derived from PRISM 2023 grid at the station location (not the official USDA map). Source data: PRISM Group, Oregon State University.