Boise City, OK 79051 Frost Dates
When can you plant in Boise City, OK?
The last spring frost here typically falls around 04/28, about 243 days from today. The first fall frost typically arrives around 10/20, about 173 frost-free days later.
Boise City sits in USDA Zone 6b (-5 to 0°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 8 weeks of growing season left in Boise City before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/28 isn't a guarantee
04/28 is the middle of 30 years of NOAA records, not a promise. Plant by 04/14 and you're betting against frost in roughly 9 years out of 10. 05/11 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Boise City compares
At roughly 173 frost-free days, Boise City places 27,985 of 40,283 ZIP codes in this dataset. Within OK, it ranks 763 of 764.
Learn more
local microclimates covers what one yard in Boise City can differ from the 79051 normal. zone vs. frost date covers why Zone 6b and Boise City's frost date answer different questions.