Crystal City, TX 78829 Frost Dates
When can you plant in Crystal City, TX?
The last spring frost here typically falls around 02/11, about 167 days from today. The first fall frost typically arrives around 12/03, about 300 frost-free days later.
Zone 9a (20 to 25°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 Crystal City, not a forecast for this year.
What to do before the first frost
About 14 weeks of growing season left in Crystal City before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Crystal City's last frost
02/11 is the middle of 30 years of NOAA records, not a promise. Plant by 01/05 and you're betting against frost in roughly 9 years out of 10. 03/09 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Crystal City compares
About 300 days separate Crystal City's last and first frost, putting it 4,110 of 40,283 ZIP codes nationally. Within TX, it ranks 440 of 2,558.
Learn more
zone vs. frost date covers why Zone 9a and Crystal City's frost date answer different questions. the frost range covers how to read the range around Crystal City's dates instead of trusting one.