Lubbock, TX 79423 Frost Dates
79423, near Lubbock, TX: the frost window
Typically, the last spring freeze lands around 03/24, roughly 208 days out. Fall's first freeze usually shows up around 11/11, roughly 233 days after the last spring frost.
Zone 7b (5 to 10°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 Lubbock, not a forecast for this year.
Stretching the season past the first frost
Lubbock's growing season runs out in roughly 11 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Lubbock's last frost
03/24 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/04 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/15 and only about 1 year in 10 sees frost after that.
Lubbock against the rest of the dataset
At roughly 233 frost-free days, Lubbock places 9,834 of 40,283 ZIP codes in this dataset. Within TX, it ranks 2,088 of 2,558.
Learn more
Two guides worth reading on 79423: local microclimates, on what one yard in Lubbock can differ from the 79423 normal, and zone vs. frost date, on why Zone 7b and Lubbock's frost date answer different questions.