Agua Dulce, TX 78339 Frost Dates
When can you plant in Agua Dulce, TX?
Typically, the last spring freeze lands around 01/26, roughly 151 days out. The first fall frost typically arrives around 12/24, about 336 frost-free days later.
The USDA Plant Hardiness Zone Map puts Agua Dulce in Zone 9b (25 to 30°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 17 weeks of growing season left in Agua Dulce 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
01/26 is the middle of 30 years of NOAA records, not a promise. Plant by 03/03 and you're betting against frost in roughly 9 years out of 10. 12/18 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Agua Dulce compares
At roughly 336 frost-free days, Agua Dulce places 2,735 of 40,283 ZIP codes in this dataset. Within TX, it ranks 102 of 2,558.
Learn more
local microclimates covers what one yard in Agua Dulce can differ from the 78339 normal. zone vs. frost date covers why Zone 9b and Agua Dulce's frost date answer different questions.