Oklahoma City, OK 73101 Frost Dates
When can you plant in Oklahoma City, OK?
The last spring frost here typically falls around 04/02, about 217 days from today. The first fall frost typically arrives around 11/04, about 216 frost-free days later.
Zone 7b (5 to 10°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 Oklahoma City, not a forecast for this year.
What to do before the first frost
About 10 weeks of growing season left in Oklahoma City before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Oklahoma City's last frost
04/02 is the middle of 30 years of NOAA records, not a promise. Plant by 03/14 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 Oklahoma City compares
About 216 days separate Oklahoma City's last and first frost, putting it 13,664 of 40,283 ZIP codes nationally. Within OK, it ranks 301 of 764.
Learn more
local microclimates covers what one yard in Oklahoma City can differ from the 73101 normal. zone vs. frost date covers why Zone 7b and Oklahoma City's frost date answer different questions.