Frost Dates & Planting Calendars in Oklahoma
Typical last spring frost, first fall frost, and growing-season length for 48 cities in Oklahoma, based on NOAA 1991–2020 climate normals. Click a city for its full frost-date summary, monthly temperature chart, and 42-crop planting calendar.
| City | Last Spring Frost (typical) | First Fall Frost (typical) | Growing Season | USDA Zone |
|---|---|---|---|---|
| Oklahoma City | April 4 | November 2 | 213 days | 7b |
| Tulsa | March 31 | November 4 | 220 days | 7a |
| Norman | March 31 | November 5 | 219 days | 7b |
| Broken Arrow | April 1 | November 1 | 212 days | 7b |
| Lawton | April 1 | November 5 | 217 days | 7b |
| Edmond | April 2 | November 5 | 217 days | 7b |
| Moore | April 4 | November 2 | 213 days | 7b |
| Midwest City | April 2 | November 5 | 217 days | 7b |
| Enid | April 6 | November 1 | 209 days | 7a |
| Stillwater | April 5 | October 30 | 206 days | 7a |
| Muskogee | April 7 | October 30 | 208 days | 7b |
| Bartlesville | April 11 | October 24 | 195 days | 7a |
| Owasso | March 31 | November 4 | 220 days | 7b |
| Shawnee | March 30 | November 5 | 221 days | 7b |
| Yukon | April 2 | November 4 | 216 days | 7b |
| Ardmore | March 15 | November 14 | 244 days | 8a |
| Ponca City | April 10 | October 27 | 200 days | 7a |
| Bixby | April 1 | November 1 | 212 days | 7b |
| Duncan | March 25 | November 7 | 225 days | 8a |
| Del City | April 2 | November 5 | 217 days | 7b |
| Jenks | March 30 | November 4 | 220 days | 7b |
| Sapulpa | March 30 | November 4 | 220 days | 7b |
| Mustang | April 4 | November 2 | 213 days | 7b |
| Sand Springs | March 30 | November 4 | 220 days | 7b |
| Bethany | April 2 | November 4 | 216 days | 7b |
| Altus | April 5 | November 2 | 210 days | 7b |
| Claremore | April 7 | October 30 | 205 days | 7a |
| El Reno | April 6 | October 31 | 206 days | 7b |
| McAlester | March 31 | November 3 | 216 days | 7b |
| Ada | April 2 | November 4 | 217 days | 7b |
| Durant | March 31 | November 5 | 221 days | 8a |
| Tahlequah | April 4 | October 31 | 209 days | 7b |
| Chickasha | April 4 | November 1 | 211 days | 7b |
| Miami | April 6 | October 27 | 203 days | 7a |
| Glenpool | March 30 | November 4 | 220 days | 7b |
| Woodward | April 5 | October 30 | 206 days | 7a |
| Elk City | April 5 | November 2 | 208 days | 7b |
| Okmulgee | April 8 | October 28 | 203 days | 7b |
| Choctaw | April 2 | November 5 | 217 days | 7b |
| Weatherford | April 3 | November 3 | 214 days | 7b |
| Guymon | April 18 | October 23 | 188 days | 6b |
| Guthrie | April 3 | November 1 | 211 days | 7b |
| Warr Acres | April 2 | November 4 | 216 days | 7b |
| Clinton | April 13 | October 28 | 197 days | 7b |
| Coweta | April 1 | November 1 | 212 days | 7b |
| Pryor Creek | April 5 | October 30 | 207 days | 7a |
| Newcastle | March 31 | November 5 | 219 days | 7b |
| The Village | April 2 | November 4 | 216 days | 7b |