FrostDateCheck

Laredo, TX 78041 Frost Dates

78041, near Laredo, TX: the frost window

Zone 9b

Around 01/20 is the usual last spring frost, about 145 days away. Fall's first freeze usually shows up around 12/25, roughly 344 days after the last spring frost.

Laredo sits in USDA Zone 9b (25 to 30°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

Laredo's growing season runs out in roughly 17 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

01/20 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/26 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/16 and only about 1 year in 10 sees frost after that.

Laredo against the rest of the dataset

At roughly 344 frost-free days, Laredo places 2,454 of 40,283 ZIP codes in this dataset. Within TX, it ranks 88 of 2,558.

Learn more

Two guides worth reading on 78041: local microclimates, on what one yard in Laredo can differ from the 78041 normal, and zone vs. frost date, on why Zone 9b and Laredo's frost date answer different questions.