Blackwell, TX 79506 Frost Dates
When can you plant in Blackwell, TX?
Around 03/28 is the usual last spring frost, about 212 days away. The first fall frost typically arrives around 11/04, about 222 frost-free days later.
Blackwell sits in USDA Zone 8a (10 to 15°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.
What to do before the first frost
About 10 weeks of growing season left in Blackwell before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Blackwell's last frost
03/28 is the middle of 30 years of NOAA records, not a promise. Plant by 03/08 and you're betting against frost in roughly 9 years out of 10. 04/14 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Blackwell compares
At roughly 222 frost-free days, Blackwell places 12,350 of 40,283 ZIP codes in this dataset. Within TX, it ranks 2,285 of 2,558.
Learn more
the frost range covers how to read the range around Blackwell's dates instead of trusting one. local microclimates covers what one yard in Blackwell can differ from the 79506 normal.