Colcord, OK 74338 Frost Dates
Colcord, OK: when does the frost end?
Typically, the last spring freeze lands around 03/31, roughly 215 days out. Fall's first freeze usually shows up around 11/02, roughly 216 days after the last spring frost.
Zone 7a (0 to 5°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 Colcord, not a forecast for this year.
Stretching the season past the first frost
With roughly 9 weeks until Colcord's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Colcord's last frost
03/31 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/13 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/18 and only about 1 year in 10 sees frost after that.
Colcord against the rest of the dataset
About 216 days separate Colcord's last and first frost, putting it 13,862 of 40,283 ZIP codes nationally. Within OK, it ranks 337 of 764.
Learn more
Before leaning on 74338's figures: local microclimates explains what one yard in Colcord can differ from the 74338 normal, while zone vs. frost date explains why Zone 7a and Colcord's frost date answer different questions.