FrostDateCheck

Jenks, OK 74136 Frost Dates

When can you plant in Jenks, OK?

Zone 7b

Around 03/30 is the usual last spring frost, about 214 days away. The first fall frost typically arrives around 11/04, about 220 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 Jenks, not a forecast for this year.

What to do before the first frost

About 10 weeks of growing season left in Jenks before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Jenks's last frost

03/30 is the middle of 30 years of NOAA records, not a promise. Plant by 03/10 and you're betting against frost in roughly 9 years out of 10. 04/17 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Jenks compares

At roughly 220 frost-free days, Jenks places 12,718 of 40,283 ZIP codes in this dataset. Within OK, it ranks 162 of 764.

Learn more

local microclimates covers what one yard in Jenks can differ from the 74136 normal. zone vs. frost date covers why Zone 7b and Jenks's frost date answer different questions.