Healdton, OK 73438 Frost Dates
When can you plant in Healdton, OK?
Typically, the last spring freeze lands around 04/06, roughly 221 days out. The first fall frost typically arrives around 11/01, about 204 frost-free days later.
Healdton sits in USDA Zone 8a (10 to 15°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 9 weeks of growing season left in Healdton before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Healdton's last frost
04/06 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. 04/25 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Healdton compares
At roughly 204 frost-free days, Healdton places 16,622 of 40,283 ZIP codes in this dataset. Within OK, it ranks 600 of 764.
Learn more
local microclimates covers what one yard in Healdton can differ from the 73438 normal. zone vs. frost date covers why Zone 8a and Healdton's frost date answer different questions.