Coupland, TX 78615 Frost Dates
78615, near Coupland, TX: the frost window
The last spring frost here typically falls around 03/04, about 188 days from today. Fall's first freeze usually shows up around 11/24, roughly 264 days after the last spring frost.
Coupland sits in USDA Zone 9a (20 to 25°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
Coupland'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.
Why 03/04 isn't a guarantee
03/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/12 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/23 and only about 1 year in 10 sees frost after that.
Coupland against the rest of the dataset
At roughly 264 frost-free days, Coupland places 6,087 of 40,283 ZIP codes in this dataset. Within TX, it ranks 1,110 of 2,558.
Learn more
Two guides worth reading on 78615: zone vs. frost date, on why Zone 9a and Coupland's frost date answer different questions, and the frost range, on how to read the range around Coupland's dates instead of trusting one.