Progreso, TX 78579 Frost Dates
78579, near Progreso, TX: the frost window
Around 01/08 is the usual last spring frost, about 133 days away. Fall's first freeze usually shows up around 12/31, roughly 365 days after the last spring frost.
Progreso sits in USDA Zone 10a (30 to 35°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
Progreso's growing season runs out in roughly 18 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
01/08 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/18 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/08 and only about 1 year in 10 sees frost after that.
Progreso against the rest of the dataset
At roughly 365 frost-free days, Progreso places 1,879 of 40,283 ZIP codes in this dataset. Within TX, it ranks 37 of 2,558.
Learn more
Two guides worth reading on 78579: the frost range, on how to read the range around Progreso's dates instead of trusting one, and local microclimates, on what one yard in Progreso can differ from the 78579 normal.