FrostDateCheck

Loyal, OK 73764 Frost Dates

When can you plant in Loyal, OK?

Zone 7b

The last spring frost here typically falls around 04/14, about 229 days from today. The first fall frost typically arrives around 10/27, about 194 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 Loyal, not a forecast for this year.

What to do before the first frost

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

How much risk comes with planting early here

04/14 is the middle of 30 years of NOAA records, not a promise. Plant by 03/30 and you're betting against frost in roughly 9 years out of 10. 04/29 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Loyal compares

Loyal's growing season runs about 194 days, ranking 19,661 of 40,283 US ZIP codes measured here, longest to shortest. Within OK, it ranks 732 of 764.

Learn more

the frost range covers how to read the range around Loyal's dates instead of trusting one. local microclimates covers what one yard in Loyal can differ from the 73764 normal.