FrostDateCheck

Drummond, OK 73735 Frost Dates

73735, near Drummond, OK: the frost window

Zone 7a

Around 04/07 is the usual last spring frost, about 222 days away. Fall's first freeze usually shows up around 11/02, roughly 208 days after the last spring frost.

Zone 7a (0 to 5°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 Drummond, not a forecast for this year.

Stretching the season past the first frost

Drummond'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.

The actual range around Drummond's last frost

04/07 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/20 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/24 and only about 1 year in 10 sees frost after that.

Drummond against the rest of the dataset

At roughly 208 frost-free days, Drummond places 15,728 of 40,283 ZIP codes in this dataset. Within OK, it ranks 525 of 764.

Learn more

Two guides worth reading on 73735: zone vs. frost date, on why Zone 7a and Drummond's frost date answer different questions, and the frost range, on how to read the range around Drummond's dates instead of trusting one.