Laredo, TX 78042 Frost Dates
When can you plant in Laredo, TX?
Around 01/20 is the usual last spring frost, about 145 days away. The first fall frost typically arrives around 12/25, about 344 frost-free days later.
Zone 9b (25 to 30°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 Laredo, not a forecast for this year.
What to do before the first frost
About 17 weeks of growing season left in Laredo before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
01/20 is the middle of 30 years of NOAA records, not a promise. Plant by 02/26 and you're betting against frost in roughly 9 years out of 10. 12/16 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Laredo compares
Laredo's growing season runs about 344 days, ranking 2,455 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 89 of 2,558.
Learn more
local microclimates covers what one yard in Laredo can differ from the 78042 normal. zone vs. frost date covers why Zone 9b and Laredo's frost date answer different questions.