FrostDateCheck

Flatonia, TX 78961 Frost Dates

78961, near Flatonia, TX: the frost window

Zone 9a

Typically, the last spring freeze lands around 03/04, roughly 188 days out. Fall's first freeze usually shows up around 11/25, roughly 267 days after the last spring frost.

Flatonia sits in USDA Zone 9a (20 to 25°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.

Stretching the season past the first frost

Flatonia's growing season runs out in roughly 13 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

03/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/06 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/25 and only about 1 year in 10 sees frost after that.

Flatonia against the rest of the dataset

About 267 days separate Flatonia's last and first frost, putting it 5,866 of 40,283 ZIP codes nationally. Within TX, it ranks 1,032 of 2,558.

Learn more

Two guides worth reading on 78961: the frost range, on how to read the range around Flatonia's dates instead of trusting one, and local microclimates, on what one yard in Flatonia can differ from the 78961 normal.