Marlow, OK 73055 Frost Dates
Frost dates for Marlow, OK, ZIP 73055
The last spring frost here typically falls around 03/28, about 212 days from today. The first fall frost typically arrives around 11/07, about 227 frost-free days later.
The USDA Plant Hardiness Zone Map puts Marlow in Zone 7b (5 to 10°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 7b around Marlow has about 10 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
How much risk comes with planting early here
03/28 is the middle of 30 years of NOAA records, not a promise. Plant by 03/06 and you're betting against frost in roughly 9 years out of 10. 04/18 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Marlow compares
About 227 days separate Marlow's last and first frost, putting it 11,009 of 40,283 ZIP codes nationally. Within OK, it ranks 70 of 764.
Learn more
the frost range explains how to read the range around Marlow's dates instead of trusting one, and local microclimates explains what one yard in Marlow can differ from the 73055 normal.