Last frost dates in North Carolina
187 NOAA weather stations in North Carolina have thirty years of frost records. The median station sees its last 32 °F night around Apr 1; across the state that ranges from Mar 1 to May 16, so pick the station nearest you rather than a state-wide figure.
| Plan sowing from this date | ||||||
|---|---|---|---|---|---|---|
| FRISCO 2NNE | Mar 1 | Mar 21 | Feb 3 | Dec 20 | 292 | Plan sowing from this date → |
| OCRACOKE | Mar 1 | Mar 21 | Feb 6 | Dec 20 | 293 | Plan sowing from this date → |
| ATLANTIC BEACH WTP | Mar 3 | Mar 21 | Feb 9 | Dec 13 | 286 | Plan sowing from this date → |
| CAPE HATTERAS AP | Mar 4 | Mar 25 | Feb 4 | Dec 22 | 290 | Plan sowing from this date → |
| AURORA 6 N | Mar 8 | Mar 28 | Feb 12 | Dec 5 | 272 | Plan sowing from this date → |
| BEAUFORT MICHAEL J SMITH FLD | Mar 10 | Mar 26 | Feb 18 | Dec 1 | 265 | Plan sowing from this date → |
| CEDAR IS | Mar 11 | Mar 30 | Feb 19 | Nov 30 | 261 | Plan sowing from this date → |
| GOLDSBORO 4 SE | Mar 15 | Apr 1 | Feb 23 | Nov 18 | 250 | Plan sowing from this date → |
| MANTEO AP | Mar 15 | Mar 30 | Feb 23 | Dec 6 | 266 | Plan sowing from this date → |
| MOREHEAD CITY 2 WNW | Mar 18 | Apr 5 | Feb 26 | Nov 21 | 249 | Plan sowing from this date → |
| SWANQUARTER FERRY | Mar 18 | Mar 31 | Feb 27 | Nov 25 | 253 | Plan sowing from this date → |
| CHERRY POINT MCAS | Mar 19 | Apr 4 | Feb 26 | Nov 22 | 249 | Plan sowing from this date → |
| WILMINGTON INTL AP | Mar 19 | Apr 4 | Feb 26 | Nov 20 | 247 | Plan sowing from this date → |
| PERRYTOWN | Mar 20 | Apr 5 | Feb 28 | Nov 20 | 246 | Plan sowing from this date → |
| SHALLOTTE AG | Mar 20 | Apr 4 | Feb 28 | Nov 17 | 243 | Plan sowing from this date → |
| WILLIAMSTON 1 E | Mar 20 | Apr 5 | Mar 1 | Nov 12 | 239 | Plan sowing from this date → |
| WILMINGTON 7 SE | Mar 20 | Apr 8 | Feb 28 | Nov 15 | 241 | Plan sowing from this date → |
| LAURINBURG | Mar 21 | Apr 10 | Mar 2 | Nov 14 | 239 | Plan sowing from this date → |
| REELSBORO | Mar 21 | Apr 5 | Mar 4 | Nov 17 | 242 | Plan sowing from this date → |
| FAYETTEVILLE RGNL AP | Mar 22 | Apr 8 | Mar 5 | Nov 13 | 236 | Plan sowing from this date → |
| WASHINGTON WWTP 4W | Mar 22 | Apr 7 | Mar 5 | Nov 15 | 237 | Plan sowing from this date → |
| WILSON 3 SW | Mar 22 | Apr 8 | Mar 3 | Nov 12 | 236 | Plan sowing from this date → |
| NEW BERN CRAVEN CO AP | Mar 23 | Apr 7 | Mar 6 | Nov 15 | 237 | Plan sowing from this date → |
| NEW RIVER MCAF | Mar 23 | Apr 7 | Mar 2 | Nov 16 | 240 | Plan sowing from this date → |
| CATAWBA 5 SW | Mar 24 | Apr 9 | Mar 5 | Nov 8 | 230 | Plan sowing from this date → |
| EDENTON | Mar 24 | Apr 8 | Mar 5 | Nov 14 | 238 | Plan sowing from this date → |
| GASTONIA MUNI AP | Mar 24 | Apr 10 | Mar 4 | Nov 9 | 230 | Plan sowing from this date → |
| LUMBERTON | Mar 24 | Apr 8 | Mar 2 | Nov 11 | 234 | Plan sowing from this date → |
| LUMBERTON MUNI AP | Mar 24 | Apr 9 | Feb 28 | Nov 10 | 233 | Plan sowing from this date → |
| SOUTHPORT 5 N | Mar 24 | Apr 10 | Mar 1 | Nov 17 | 239 | Plan sowing from this date → |
| WADESBORO | Mar 24 | Apr 9 | Mar 6 | Nov 9 | 231 | Plan sowing from this date → |
| BELHAVEN 3 NE | Mar 25 | Apr 8 | Mar 7 | Nov 11 | 233 | Plan sowing from this date → |
| JACKSON SPRINGS 5 WNW | Mar 25 | Apr 10 | Mar 6 | Nov 14 | 235 | Plan sowing from this date → |
| KINSTON AG RSCH | Mar 25 | Apr 7 | Mar 9 | Nov 11 | 232 | Plan sowing from this date → |
| LAURINBURG MAXTON AP | Mar 25 | Apr 11 | Mar 5 | Nov 8 | 228 | Plan sowing from this date → |
| CLINTON 2 NE | Mar 26 | Apr 8 | Mar 8 | Nov 7 | 226 | Plan sowing from this date → |
| LONGWOOD | Mar 26 | Apr 11 | Mar 3 | Nov 11 | 231 | Plan sowing from this date → |
| NEWPORT/MOREHEAD CITY WFO | Mar 26 | Apr 9 | Mar 5 | Nov 16 | 236 | Plan sowing from this date → |
| SNOW HILL WASTE WATER TREAMENT | Mar 26 | Apr 8 | Mar 4 | Nov 12 | 232 | Plan sowing from this date → |
| SURF CITY | Mar 26 | Apr 9 | Mar 11 | Nov 13 | 233 | Plan sowing from this date → |
| WINSTON SALEM RYNLDS AP | Mar 26 | Apr 11 | Mar 6 | Nov 9 | 228 | Plan sowing from this date → |
| APEX | Mar 27 | Apr 10 | Mar 8 | Nov 8 | 227 | Plan sowing from this date → |
| ELIZABETH CITY | Mar 27 | Apr 18 | Mar 7 | Nov 17 | 238 | Plan sowing from this date → |
| GASTONIA | Mar 27 | Apr 9 | Mar 9 | Nov 9 | 228 | Plan sowing from this date → |
| GREENVILLE | Mar 27 | Apr 10 | Mar 8 | Nov 8 | 227 | Plan sowing from this date → |
| MOORES CREEK NB | Mar 27 | Apr 12 | Mar 9 | Nov 8 | 227 | Plan sowing from this date → |
| ROANOKE RAPIDS AP | Mar 27 | Apr 8 | Mar 10 | Nov 12 | 230 | Plan sowing from this date → |
| TRYON | Mar 27 | Apr 14 | Mar 9 | Nov 12 | 231 | Plan sowing from this date → |
| CLAYTON 3E | Mar 28 | Apr 11 | Mar 10 | Nov 8 | 225 | Plan sowing from this date → |
| DUNN 4 NW | Mar 28 | Apr 11 | Mar 9 | Nov 7 | 226 | Plan sowing from this date → |
| ELIZABETH CITY CGAS | Mar 28 | Apr 11 | Mar 8 | Nov 12 | 230 | Plan sowing from this date → |
| GOLDSBORO AG 1 N | Mar 28 | Apr 11 | Mar 9 | Nov 12 | 231 | Plan sowing from this date → |
| HENDERSON 4 NNE | Mar 28 | Apr 11 | Mar 10 | Nov 9 | 227 | Plan sowing from this date → |
| MT OLIVE 6SE | Mar 28 | Apr 10 | Mar 10 | Nov 7 | 226 | Plan sowing from this date → |
| RALEIGH 4 SW | Mar 28 | Apr 12 | Mar 8 | Nov 9 | 227 | Plan sowing from this date → |
| RALEIGH STATE UNIV | Mar 28 | Apr 12 | Mar 8 | Nov 8 | 229 | Plan sowing from this date → |
| ALBEMARLE | Mar 29 | Apr 14 | Mar 11 | Nov 4 | 220 | Plan sowing from this date → |
| BURLINGTON FIRE STN #5 | Mar 29 | Apr 15 | Mar 8 | Nov 9 | 226 | Plan sowing from this date → |
| CHAPEL HILL WILLIAMS AP | Mar 29 | Apr 12 | Mar 11 | Nov 5 | 222 | Plan sowing from this date → |
| COLUMBIA AG GUM NECK | Mar 29 | Apr 10 | Mar 11 | Nov 13 | 231 | Plan sowing from this date → |
| ELIZABETHTOWN | Mar 29 | Apr 13 | Mar 8 | Nov 8 | 226 | Plan sowing from this date → |
| LEWISTON | Mar 29 | Apr 12 | Mar 12 | Nov 7 | 223 | Plan sowing from this date → |
| RANDLEMAN | Mar 29 | Apr 13 | Mar 13 | Nov 6 | 224 | Plan sowing from this date → |
| SMITHFIELD | Mar 29 | Apr 14 | Mar 10 | Nov 5 | 220 | Plan sowing from this date → |
| WHITEVILLE 7 NW | Mar 29 | Apr 12 | Mar 8 | Nov 6 | 224 | Plan sowing from this date → |
| WILMINGTON 7 N | Mar 29 | Apr 11 | Mar 12 | Nov 8 | 226 | Plan sowing from this date → |
| BAYBORO 3 SW | Mar 30 | Apr 15 | Mar 11 | Nov 8 | 224 | Plan sowing from this date → |
| CHARLOTTE DOUGLAS AP | Mar 30 | Apr 14 | Mar 12 | Nov 3 | 221 | Plan sowing from this date → |
| FAYETTEVILLE (PWC) | Mar 30 | Apr 16 | Mar 9 | Nov 10 | 227 | Plan sowing from this date → |
| HAMLET | Mar 30 | Apr 15 | Mar 14 | Nov 4 | 220 | Plan sowing from this date → |
| HIGH PT | Mar 30 | Apr 15 | Mar 13 | Nov 5 | 220 | Plan sowing from this date → |
| LILLINGTON | Mar 30 | Apr 15 | Mar 11 | Nov 6 | 223 | Plan sowing from this date → |
| OXFORD AG | Mar 30 | Apr 14 | Mar 16 | Nov 6 | 222 | Plan sowing from this date → |
| PIEDMONT TRIAD INTL AP | Mar 30 | Apr 14 | Mar 12 | Nov 5 | 220 | Plan sowing from this date → |
| TARBORO 1 S | Mar 30 | Apr 10 | Mar 12 | Nov 9 | 226 | Plan sowing from this date → |
| CARY | Mar 31 | Apr 12 | Mar 12 | Nov 10 | 226 | Plan sowing from this date → |
| CHAPEL HILL 2 W | Mar 31 | Apr 14 | Mar 16 | Nov 3 | 218 | Plan sowing from this date → |
| DURHAM 11 W | Mar 31 | Apr 19 | Mar 14 | Nov 4 | 217 | Plan sowing from this date → |
| HICKORY FAA AP | Mar 31 | Apr 16 | Mar 13 | Nov 4 | 219 | Plan sowing from this date → |
| JACKSONVILLE EOC | Mar 31 | Apr 15 | Mar 13 | Nov 8 | 224 | Plan sowing from this date → |
| MONROE AP | Mar 31 | Apr 16 | Mar 11 | Nov 5 | 220 | Plan sowing from this date → |
| PLYMOUTH 5 E | Mar 31 | Apr 15 | Mar 14 | Nov 7 | 221 | Plan sowing from this date → |
| RALEIGH DURHAM INTL AP | Mar 31 | Apr 16 | Mar 15 | Nov 4 | 219 | Plan sowing from this date → |
| ROANOKE RAPIDS | Mar 31 | Apr 16 | Mar 15 | Nov 9 | 222 | Plan sowing from this date → |
| ROCKY MT 8 ESE | Mar 31 | Apr 13 | Mar 10 | Nov 7 | 223 | Plan sowing from this date → |
| SILER CITY 2 N | Mar 31 | Apr 13 | Mar 14 | Nov 4 | 220 | Plan sowing from this date → |
| YANCEYVILLE 4 SE | Mar 31 | Apr 14 | Mar 16 | Nov 4 | 218 | Plan sowing from this date → |
| BURLINGTON ALAMANCE AP | Apr 1 | Apr 17 | Mar 13 | Nov 2 | 215 | Plan sowing from this date → |
| CARTHAGE WTP | Apr 1 | Apr 19 | Mar 13 | Nov 5 | 219 | Plan sowing from this date → |
| CHATHAM WTP | Apr 1 | Apr 23 | Mar 14 | Nov 7 | 221 | Plan sowing from this date → |
| CONCORD | Apr 1 | Apr 16 | Mar 16 | Nov 2 | 215 | Plan sowing from this date → |
| GARNER | Apr 1 | Apr 15 | Mar 17 | Nov 1 | 213 | Plan sowing from this date → |
| GREENSBORO WTP | Apr 1 | Apr 14 | Mar 18 | Nov 4 | 217 | Plan sowing from this date → |
| KINSTON 7 SE | Apr 1 | Apr 15 | Mar 16 | Nov 4 | 217 | Plan sowing from this date → |
| LUMBER RVR SP | Apr 1 | Apr 16 | Mar 12 | Nov 5 | 219 | Plan sowing from this date → |
| ROCKY MT WILSON AP | Apr 1 | Apr 16 | Mar 16 | Nov 5 | 219 | Plan sowing from this date → |
| WALLACE 1SE | Apr 1 | Apr 16 | Mar 13 | Nov 7 | 220 | Plan sowing from this date → |
| DURHAM | Apr 2 | Apr 18 | Mar 15 | Nov 4 | 217 | Plan sowing from this date → |
| TAYLORSVILLE | Apr 2 | Apr 19 | Mar 17 | Nov 4 | 217 | Plan sowing from this date → |
| WILLARD 4 SW | Apr 2 | Apr 16 | Mar 15 | Nov 5 | 217 | Plan sowing from this date → |
| ARCOLA | Apr 3 | Apr 19 | Mar 18 | Nov 5 | 217 | Plan sowing from this date → |
| MONROE 2 SE | Apr 3 | Apr 18 | Mar 17 | Nov 1 | 213 | Plan sowing from this date → |
| RAEFORD | Apr 3 | Apr 19 | Mar 17 | Nov 3 | 214 | Plan sowing from this date → |
| FALLS LAKE | Apr 4 | Apr 19 | Mar 20 | Nov 4 | 213 | Plan sowing from this date → |
| HAW RVR 1E | Apr 4 | Apr 19 | Mar 15 | Nov 3 | 215 | Plan sowing from this date → |
| ASHEBORO 2 W | Apr 5 | Apr 21 | Mar 18 | Oct 31 | 207 | Plan sowing from this date → |
| JACKSON | Apr 5 | Apr 18 | Mar 22 | Nov 1 | 211 | Plan sowing from this date → |
| LAKE LURE 2 | Apr 5 | Apr 20 | Mar 20 | Oct 30 | 207 | Plan sowing from this date → |
| MARION | Apr 5 | Apr 21 | Mar 20 | Nov 1 | 209 | Plan sowing from this date → |
| N FK 2 | Apr 5 | Apr 22 | Mar 20 | Oct 31 | 206 | Plan sowing from this date → |
| REIDSVILLE 2 NW | Apr 5 | Apr 21 | Mar 20 | Nov 2 | 213 | Plan sowing from this date → |
| RICHLANDS | Apr 5 | Apr 20 | Mar 19 | Nov 4 | 214 | Plan sowing from this date → |
| ASHEVILLE | Apr 6 | Apr 24 | Mar 20 | Oct 31 | 205 | Plan sowing from this date → |
| CANE CREEK RSVR | Apr 6 | Apr 22 | Mar 21 | Nov 1 | 210 | Plan sowing from this date → |
| HOFMANN FOREST | Apr 6 | Apr 23 | Mar 23 | Nov 1 | 204 | Plan sowing from this date → |
| MURFREESBORO | Apr 6 | Apr 23 | Mar 23 | Nov 1 | 208 | Plan sowing from this date → |
| NEW HILL | Apr 6 | Apr 21 | Mar 21 | Nov 3 | 209 | Plan sowing from this date → |
| RURAL HALL | Apr 6 | Apr 21 | Mar 21 | Oct 31 | 209 | Plan sowing from this date → |
| SALISBURY | Apr 6 | Apr 27 | Mar 21 | Oct 30 | 208 | Plan sowing from this date → |
| WATERVILLE 2 | Apr 6 | Apr 23 | Mar 20 | Nov 1 | 210 | Plan sowing from this date → |
| CLAYTON WTP | Apr 7 | Apr 20 | Mar 23 | Nov 3 | 211 | Plan sowing from this date → |
| FAIRFIELD | Apr 7 | Apr 21 | Mar 23 | Nov 4 | 211 | Plan sowing from this date → |
| LENOIR | Apr 7 | Apr 28 | Mar 21 | Oct 31 | 207 | Plan sowing from this date → |
| MORGANTON | Apr 7 | Apr 26 | Mar 24 | Oct 28 | 202 | Plan sowing from this date → |
| W KERR SCOTT RESV | Apr 7 | Apr 22 | Mar 24 | Nov 1 | 208 | Plan sowing from this date → |
| WARSAW 5 E | Apr 7 | Apr 22 | Mar 23 | Oct 30 | 204 | Plan sowing from this date → |
| ASHEVILLE RGNL AP | Apr 9 | Apr 27 | Mar 22 | Oct 28 | 201 | Plan sowing from this date → |
| LINCOLNTON 4 W | Apr 9 | Apr 27 | Mar 24 | Oct 28 | 201 | Plan sowing from this date → |
| PFAFFTOWN | Apr 9 | Apr 23 | Mar 25 | Oct 31 | 204 | Plan sowing from this date → |
| SALISBURY 9 WNW | Apr 9 | Apr 24 | Mar 24 | Oct 28 | 203 | Plan sowing from this date → |
| N WILKESBORO | Apr 10 | Apr 26 | Mar 25 | Oct 29 | 201 | Plan sowing from this date → |
| SANFORD 8 NE | Apr 10 | Apr 25 | Mar 26 | Oct 30 | 203 | Plan sowing from this date → |
| DANBURY | Apr 11 | Apr 29 | Mar 25 | Oct 30 | 202 | Plan sowing from this date → |
| EDEN | Apr 11 | Apr 27 | Mar 29 | Oct 29 | 201 | Plan sowing from this date → |
| FOREST CITY 8 W | Apr 11 | Apr 28 | Mar 27 | Oct 27 | 198 | Plan sowing from this date → |
| HOT SPRINGS | Apr 11 | Apr 27 | Mar 25 | Oct 29 | 201 | Plan sowing from this date → |
| LEXINGTON | Apr 11 | Apr 26 | Mar 28 | Oct 28 | 199 | Plan sowing from this date → |
| LOUISBURG | Apr 11 | Apr 28 | Mar 25 | Oct 29 | 201 | Plan sowing from this date → |
| ENKA | Apr 12 | Apr 27 | Mar 29 | Oct 23 | 195 | Plan sowing from this date → |
| SHELBY 2 NW | Apr 12 | Apr 28 | Mar 27 | Oct 25 | 195 | Plan sowing from this date → |
| VALE AG 2 SW | Apr 12 | Apr 26 | Mar 31 | Oct 28 | 198 | Plan sowing from this date → |
| ROBBINSVILLE AG 5 NE | Apr 13 | May 2 | Mar 30 | Oct 26 | 194 | Plan sowing from this date → |
| HENDERSONVILLE 1 NE | Apr 14 | May 1 | Mar 31 | Oct 25 | 192 | Plan sowing from this date → |
| ELKIN | Apr 15 | May 3 | Mar 31 | Oct 26 | 194 | Plan sowing from this date → |
| LAKE TOXAWAY 2 SW | Apr 15 | May 1 | Mar 31 | Oct 26 | 193 | Plan sowing from this date → |
| MOCKSVILLE 5SE | Apr 15 | May 2 | Mar 31 | Oct 25 | 192 | Plan sowing from this date → |
| ROXBORO 7 ESE | Apr 15 | Apr 30 | Mar 27 | Oct 26 | 194 | Plan sowing from this date → |
| BRYSON CITY 4 | Apr 16 | May 2 | Apr 1 | Oct 24 | 189 | Plan sowing from this date → |
| HENDERSON 2 NNW | Apr 16 | Apr 30 | Mar 31 | Oct 26 | 193 | Plan sowing from this date → |
| STATESVILLE 2 NNE | Apr 16 | May 1 | Apr 2 | Oct 25 | 191 | Plan sowing from this date → |
| YADKINVILLE 6 E | Apr 16 | May 3 | Apr 1 | Oct 25 | 191 | Plan sowing from this date → |
| ANDREWS | Apr 17 | May 3 | Apr 1 | Oct 23 | 189 | Plan sowing from this date → |
| ASHEVILLE 13 S | Apr 17 | May 4 | Mar 31 | Oct 23 | 187 | Plan sowing from this date → |
| CHEROKEE | Apr 17 | May 6 | Apr 1 | Oct 21 | 186 | Plan sowing from this date → |
| FRANKLIN | Apr 17 | May 4 | Apr 2 | Oct 23 | 187 | Plan sowing from this date → |
| TAPOCO | Apr 17 | May 4 | Mar 29 | Oct 27 | 193 | Plan sowing from this date → |
| FLAT SPRINGS 1E | Apr 18 | May 7 | Apr 3 | Oct 24 | 188 | Plan sowing from this date → |
| FLETCHER 3 W | Apr 18 | May 4 | Apr 1 | Oct 21 | 186 | Plan sowing from this date → |
| BLACK MTN 2 W | Apr 19 | May 7 | Apr 4 | Oct 23 | 184 | Plan sowing from this date → |
| CANDLER 1 W | Apr 19 | May 7 | Apr 4 | Oct 22 | 185 | Plan sowing from this date → |
| CULLOWHEE | Apr 19 | May 7 | Apr 2 | Oct 22 | 184 | Plan sowing from this date → |
| MT AIRY 2 W | Apr 19 | May 8 | Apr 4 | Oct 23 | 186 | Plan sowing from this date → |
| PISGAH FOREST 3 NE | Apr 19 | May 8 | Apr 2 | Oct 23 | 186 | Plan sowing from this date → |
| BREVARD | Apr 21 | May 7 | Apr 4 | Oct 23 | 185 | Plan sowing from this date → |
| HAYESVILLE 1 NE | Apr 21 | May 5 | Apr 6 | Oct 21 | 182 | Plan sowing from this date → |
| OLD FT AG 3 W | Apr 21 | May 9 | Apr 6 | Oct 23 | 183 | Plan sowing from this date → |
| MURPHY 4ESE | Apr 22 | May 7 | Apr 7 | Oct 20 | 180 | Plan sowing from this date → |
| SPARTA 3.5 SSW | Apr 22 | May 11 | Apr 6 | Oct 22 | 180 | Plan sowing from this date → |
| SWANNANOA 2 SSE | Apr 22 | May 11 | Apr 5 | Oct 24 | 184 | Plan sowing from this date → |
| COWEETA EXP STN | Apr 23 | May 11 | Apr 6 | Oct 17 | 175 | Plan sowing from this date → |
| ASHEVILLE 8 SSW | Apr 24 | May 11 | Apr 8 | Oct 18 | 175 | Plan sowing from this date → |
| BURNSVILLE AG | Apr 24 | May 13 | Apr 5 | Oct 19 | 180 | Plan sowing from this date → |
| BLOWING ROCK 1NW | Apr 25 | May 12 | Apr 8 | Oct 21 | 178 | Plan sowing from this date → |
| BENT CREEK | Apr 26 | May 12 | Apr 10 | Oct 18 | 175 | Plan sowing from this date → |
| CELO 2 S | Apr 26 | May 13 | Apr 8 | Oct 15 | 171 | Plan sowing from this date → |
| SPRUCE PINE 2 NE | Apr 26 | May 13 | Apr 10 | Oct 20 | 177 | Plan sowing from this date → |
| MARSHALL | Apr 28 | May 13 | Apr 12 | Oct 18 | 173 | Plan sowing from this date → |
| BANNER ELK | Apr 30 | May 17 | Apr 12 | Oct 14 | 167 | Plan sowing from this date → |
| CATALOOCHEE | Apr 30 | May 15 | Apr 14 | Oct 12 | 164 | Plan sowing from this date → |
| HIGHLANDS | Apr 30 | May 17 | Apr 13 | Oct 15 | 167 | Plan sowing from this date → |
| WAYNESVILLE 1 E | Apr 30 | May 15 | Apr 13 | Oct 14 | 167 | Plan sowing from this date → |
| BOONE 1 SE | May 2 | May 19 | Apr 17 | Oct 13 | 163 | Plan sowing from this date → |
| TRANSOU | May 4 | May 22 | Apr 18 | Oct 10 | 158 | Plan sowing from this date → |
| GRANDFATHER MTN | May 5 | May 20 | Apr 20 | Oct 13 | 160 | Plan sowing from this date → |
| BEECH MTN | May 6 | May 23 | Apr 22 | Oct 14 | 159 | Plan sowing from this date → |
| JEFFERSON 2 E | May 7 | May 24 | Apr 22 | Oct 8 | 154 | Plan sowing from this date → |
| MT MITCHELL | May 16 | May 31 | May 3 | Oct 4 | 140 | Plan sowing from this date → |
How to read the three dates
Average is the date by which, in half of the years between 1991 and 2020, the last 32 °F night had already happened. Safe is later: only one year in ten saw a frost after it, which is the date to transplant tomatoes and peppers, both killed by a single frost. Early is the risky end, with a frost after it in nine years out of ten.
Every figure is for the weather station, not for your garden. A valley bottom, a north slope or a spot near a lake can run a week or two either way. Cities are warmer than the countryside around them.
Where the numbers come from
The dates are NOAA's U.S. Climate Normals for 1991 to 2020, computed by the National Centers for Environmental Information for every station with thirty years of daily minimum temperatures. ZIP codes are matched to the nearest such station within 150 km using U.S. Census Bureau ZIP Code Tabulation Area centroids. Stations that never see a frost, such as much of south Florida, report no date and are left out.