Fort Gibson, OK 74434 Frost Dates
When can you plant in Fort Gibson, OK?
The last spring frost here typically falls around 04/07, about 222 days from today. The first fall frost typically arrives around 10/30, about 208 frost-free days later.
Zone 7b (5 to 10°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Fort Gibson, not a forecast for this year.
What to do before the first frost
About 9 weeks of growing season left in Fort Gibson before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/07 isn't a guarantee
04/07 is the middle of 30 years of NOAA records, not a promise. Plant by 03/20 and you're betting against frost in roughly 9 years out of 10. 04/26 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Fort Gibson compares
At roughly 208 frost-free days, Fort Gibson places 15,602 of 40,283 ZIP codes in this dataset. Within OK, it ranks 518 of 764.
Learn more
zone vs. frost date covers why Zone 7b and Fort Gibson's frost date answer different questions. the frost range covers how to read the range around Fort Gibson's dates instead of trusting one.