FrostDateCheck

Valley Brook, OK 73159 Frost Dates

When can you plant in Valley Brook, OK?

Zone 7b

Around 04/04 is the usual last spring frost, about 219 days away. The first fall frost typically arrives around 11/02, about 213 frost-free days later.

The USDA Plant Hardiness Zone Map puts Valley Brook 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

About 9 weeks of growing season left in Valley Brook before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Valley Brook's last frost

04/04 is the middle of 30 years of NOAA records, not a promise. Plant by 03/16 and you're betting against frost in roughly 9 years out of 10. 04/20 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Valley Brook compares

Valley Brook's growing season runs about 213 days, ranking 14,534 of 40,283 US ZIP codes measured here, longest to shortest. Within OK, it ranks 407 of 764.

Learn more

zone vs. frost date covers why Zone 7b and Valley Brook's frost date answer different questions. the frost range covers how to read the range around Valley Brook's dates instead of trusting one.