Hulbert, OK 74441 Frost Dates
When can you plant in Hulbert, OK?
Typically, the last spring freeze lands around 03/29, roughly 213 days out. The first fall frost typically arrives around 11/05, about 223 frost-free days later.
Hulbert sits in USDA Zone 7b (5 to 10°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
About 10 weeks of growing season left in Hulbert before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Hulbert's last frost
03/29 is the middle of 30 years of NOAA records, not a promise. Plant by 03/10 and you're betting against frost in roughly 9 years out of 10. 04/14 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Hulbert compares
Hulbert's growing season runs about 223 days, ranking 12,116 of 40,283 US ZIP codes measured here, longest to shortest. Within OK, it ranks 115 of 764.
Learn more
zone vs. frost date covers why Zone 7b and Hulbert's frost date answer different questions. the frost range covers how to read the range around Hulbert's dates instead of trusting one.