FrostDateCheck

Warner, OK 74469 Frost Dates

74469, near Warner, OK: the frost window

Zone 7b

Around 04/02 is the usual last spring frost, about 217 days away. Fall's first freeze usually shows up around 11/02, roughly 216 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Warner in Zone 7b (5 to 10°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.

Stretching the season past the first frost

Warner's growing season runs out in roughly 9 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.

How much risk comes with planting early here

04/02 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 04/20 and only about 1 year in 10 sees frost after that.

Warner against the rest of the dataset

Warner's growing season runs about 216 days, ranking 13,832 of 40,283 US ZIP codes measured here, longest to shortest. Within OK, it ranks 333 of 764.

Learn more

Two guides worth reading on 74469: local microclimates, on what one yard in Warner can differ from the 74469 normal, and zone vs. frost date, on why Zone 7b and Warner's frost date answer different questions.