Hardiness zone 7b · 173 stations

Zone 7b Frost Dates: Typical Last Frost Apr 8

Summary across 173 NOAA weather stations whose location falls in zone 7b^*. Dates are the typical (50% chance) frost dates of each station; the table shows the spread between stations.

Typical last frostApril 8median station, 50% chance
Typical first fall frostOctober 30median station, 50% chance
Frost-free season204 daysmedian station
Weather stations173dates differ by weeks inside a zone

Typical (50%) frost dates across stations in zone 7b
	25% of stations	Median station	75% of stations
Last frost in spring (32°F)	April 4	April 8	April 14
First frost in fall (32°F)	October 25	October 30	November 1
Frost-free days	195	204	210

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 7b

Weather stations with their typical (50% chance) frost dates
Station	Zone	Last spring frost (50%)	First fall frost (50%)	Frost-free days
Albuquerque Valley, NM	7b	April 18	October 24	189
Ames Plantation, TN	7b	April 1	November 3	217
Artesia, NM	7b	April 11	October 29	198
Asheville, NC	7b	April 6	October 31	205
Asheville (Airport), NC	7b	April 9	October 28	201
Ashland, VA	7b	April 10	October 29	201
Athens, TN	7b	April 6	October 31	208
Beltsville, MD	7b	April 10	November 1	202
Bent Creek, NC	7b	April 26	October 18	175
Bishop, CA	7b	April 29	October 15	166
Blanchard, OK	7b	April 3	November 4	214
Boardman, OR	7b	April 14	October 21	188
Boise (Air Terminal), ID	7b	April 24	October 21	179
Bolivar, TN	7b	April 3	October 30	210
Brevard, NC	7b	April 21	October 23	185
Caesars Head, SC	7b	April 10	November 2	206
Calico Rock, AR	7b	April 14	October 28	196
Canyonlands-The Neck, UT	7b	April 25	October 23	180
Carthage, TN	7b	April 10	October 29	201
Charlottesville, VA	7b	April 2	November 10	222
Chatham, MA	7b	April 5	November 15	221
Chelan, WA	7b	April 17	October 22	187
Childress, TX	7b	March 31	November 7	222
Clarksville, TN	7b	April 3	November 1	212
Cleveland, TN	7b	April 6	October 30	206
Cliff, NM	7b	May 9	October 15	157
Columbia, TN	7b	April 10	October 27	199
Conchas Dam, NM	7b	April 4	November 2	210
Cookeville, TN	7b	April 14	October 25	195
Corning, AR	7b	March 27	November 4	224
Cullowhee, NC	7b	April 19	October 22	184
Danbury, NC	7b	April 11	October 30	202
Dayton, TN	7b	April 4	October 31	208
Dickson, TN	7b	April 13	October 25	195
Dover, DE	7b	April 4	November 4	214
Dover, TN	7b	April 4	October 31	210
Edgartown, MA	7b	April 17	November 3	199
Elizabethton, TN	7b	April 19	October 24	187
Emporia, VA	7b	March 31	November 6	221
Erwin, TN	7b	April 21	October 23	183
Fayetteville, TN	7b	April 7	October 28	201
Floydada, TX	7b	April 7	November 3	208
Franklin, NC	7b	April 17	October 23	187
Gatlinburg, TN	7b	April 17	October 25	189
Government Camp, OR	7b	May 27	October 9	134
Hamilton, AL	7b	April 11	October 27	198
Hans Flat Ranger Station, UT	7b	May 1	October 16	163
Harrison, AR	7b	April 3	October 30	210
Hillsboro, NM	7b	April 23	October 23	183
Hobart, OK	7b	April 4	November 4	214
Hot Springs, NC	7b	April 11	October 29	201
Huntingdon, TN	7b	April 2	October 31	211
Independence, MS	7b	April 3	October 31	212
Jackson (McKellar Airport), TN	7b	April 5	October 29	207
Jonesboro, AR	7b	April 1	November 1	215
Kennewick, WA	7b	March 28	October 30	216
Kingsport, TN	7b	April 9	October 29	203
Kingston Springs, TN	7b	April 13	October 25	195
Knoxville (McGhee Tyson Airport), TN	7b	April 1	November 2	215
Lenoir City, TN	7b	April 5	November 1	210
Levelland, TX	7b	April 9	November 1	205
Lewisburg, TN	7b	April 14	October 22	192
Lexington, TN	7b	April 5	October 30	208
Linden, TN	7b	April 12	October 25	197
Littlefield, TX	7b	April 14	October 26	192
Lubbock, TX	7b	April 4	November 2	210
Lynchburg, VA	7b	April 15	October 24	191
Malden, MO	7b	March 29	November 3	221
Marion Forks Fish Hatchery, OR	7b	May 15	September 30	134
Martin, TN	7b	April 4	October 28	204
McAlester, OK	7b	March 31	November 3	216
McMinnville, TN	7b	April 7	October 30	203
Mechanicsville, MD	7b	April 17	October 27	195
Meeker, OK	7b	April 4	October 30	208
Memphis, TX	7b	April 1	November 3	215
Milton Freewater, OR	7b	March 25	October 29	218
Moab, UT	7b	April 11	October 23	192
Monteagle, TN	7b	April 10	October 28	201
Morton, TX	7b	April 11	October 31	199
Mountainburg, AR	7b	April 9	October 28	201
Murfreesboro, TN	7b	April 9	October 27	202
Murray, KY	7b	April 5	November 1	209
Nashville, TN	7b	March 31	November 3	217
New York (Central Park), NY	7b	March 30	November 20	236
New York (JFK Airport), NY	7b	April 2	November 14	226
New York (LaGuardia Airport), NY	7b	March 26	November 25	244
Newark, NJ	7b	April 2	November 10	222
Newport, TN	7b	April 7	October 29	203
Norris, TN	7b	April 22	October 25	184
North Wilkesboro, NC	7b	April 10	October 29	201
Pennsauken, NJ	7b	April 15	October 31	199
Phila Franklin Inst, PA	7b	March 30	November 17	232
Philadelphia, PA	7b	April 2	November 10	224
Pikeville, TN	7b	April 11	October 25	197
Plains, TX	7b	April 11	November 1	200
Plainview, TX	7b	April 6	November 2	209
Pocahontas, AR	7b	March 31	November 1	214
Portland, TN	7b	April 5	November 1	210
Prescott, AZ	7b	April 30	October 20	172
Pulaski, TN	7b	April 14	October 24	193
Richland, WA	7b	April 6	October 24	200
Richmond, VA	7b	April 3	November 4	215
Riverhead, NY	7b	April 6	November 9	215
Roanoke, VA	7b	April 3	November 1	210
Rogersville, TN	7b	April 14	October 24	192
Ross Dam, WA	7b	April 8	November 10	214
Salisbury 9 WNW, NC	7b	April 9	October 28	203
Seabrook Farms, NJ	7b	April 10	November 1	205
Selmer, TN	7b	April 6	October 30	206
Seminole, OK	7b	April 5	November 1	210
Sevierville, TN	7b	April 6	October 29	205
Sikeston, MO	7b	March 26	November 6	225
Smithville, TN	7b	April 18	October 22	187
Snow Hill, MD	7b	April 10	October 31	202
South Boston, VA	7b	April 10	October 30	202
Statesville, NC	7b	April 16	October 25	191
Stehekin, WA	7b	April 27	October 17	173
Stuart, VA	7b	April 19	October 27	190
Tell City, IN	7b	April 5	November 1	208
Tullahoma, TN	7b	April 6	October 30	207
Tulsa, OK	7b	March 31	November 4	220
Turkey, TX	7b	April 4	November 3	211
Union City, TN	7b	April 3	October 29	208
University, MS	7b	April 3	October 31	210
Valley Head, AL	7b	April 8	October 29	202
Wakefield, VA	7b	April 12	October 30	200
Walkerton, VA	7b	April 7	November 1	209
Walla Walla, WA	7b	March 27	October 31	219
Warsaw, VA	7b	April 8	October 30	204
Waterville, NC	7b	April 6	November 1	210
Watonga, OK	7b	April 14	October 27	194
Waynesboro, TN	7b	April 14	October 24	192
Wellington, TX	7b	April 1	November 4	215
Wenatchee, WA	7b	April 4	October 28	208
West Kerr Scott Resv, NC	7b	April 7	November 1	208
West Point, VA	7b	April 6	November 1	208
Winfield, AL	7b	April 4	November 1	211
Woodbury, TN	7b	April 17	October 21	184
Zion National Park, UT	7b	April 13	November 2	202
near Alamogordo, NM	7b	April 30	October 21	173
near Baltimore, MD	7b	April 10	October 31	204
near Batesville, AR	7b	April 8	October 26	201
near Blackstone, VA	7b	April 11	October 30	200
near Bracey, VA	7b	April 5	November 1	210
near Bristol, TN	7b	April 16	October 24	190
near Burbank, WA	7b	April 7	October 22	199
near Gaffney, SC	7b	April 20	October 24	186
near Green Hill, TN	7b	April 1	November 4	216
near Greenville, CA	7b	May 18	October 8	143
near Heber Springs, AR	7b	March 31	November 6	222
near Islip, NY	7b	April 10	November 2	207
near Jackson, TN	7b	April 2	October 29	207
near Knoxville, TN	7b	April 11	October 28	198
near Lewiston, ID	7b	April 6	October 26	200
near Middletown, PA	7b	April 9	November 2	206
near Murphy, ID	7b	April 12	October 26	193
near Oak Ridge, TN	7b	April 5	November 1	210
near Oklahoma City, OK	7b	April 4	November 2	213
near Orange, VA	7b	April 7	October 30	204
near Orofino, ID	7b	April 20	October 20	182
near Reno, NV	7b	April 20	October 23	184
near Roswell, NM	7b	March 29	November 7	223
near Salisbury, MD	7b	April 10	October 30	201
near Shelbyville, TN	7b	April 7	October 29	204
near Sparta, TN	7b	April 15	October 23	191
near Warm Springs, OR	7b	May 5	October 7	154
near Willingboro, NJ	7b	April 15	October 29	196
near Wilmington, DE	7b	April 7	November 4	209
near Wilmington Manor, DE	7b	April 7	November 1	209

Sources

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