La Grange, TX 78945 Frost Dates
78945, near La Grange, TX: the frost window
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.
Zone 9a (20 to 25°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 La Grange, not a forecast for this year.
Stretching the season past the first frost
La Grange'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.
La Grange against the rest of the dataset
La Grange's growing season runs about 267 days, ranking 5,852 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 1,028 of 2,558.
Learn more
Two guides worth reading on 78945: zone vs. frost date, on why Zone 9a and La Grange's frost date answer different questions, and the frost range, on how to read the range around La Grange's dates instead of trusting one.