Sunset Valley, TX 78735 Frost Dates
When can you plant in Sunset Valley, TX?
Around 02/20 is the usual last spring frost, about 176 days away. The first fall frost typically arrives around 12/03, about 291 frost-free days later.
The USDA Plant Hardiness Zone Map puts Sunset Valley in Zone 9a (20 to 25°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 14 weeks of growing season left in Sunset Valley before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Sunset Valley's last frost
02/20 is the middle of 30 years of NOAA records, not a promise. Plant by 01/23 and you're betting against frost in roughly 9 years out of 10. 03/14 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Sunset Valley compares
At roughly 291 frost-free days, Sunset Valley places 4,475 of 40,283 ZIP codes in this dataset. Within TX, it ranks 621 of 2,558.
Learn more
zone vs. frost date covers why Zone 9a and Sunset Valley's frost date answer different questions. the frost range covers how to read the range around Sunset Valley's dates instead of trusting one.