College Station, TX 77840 Frost Dates
When can you plant in College Station, TX?
Around 02/27 is the usual last spring frost, about 183 days away. The first fall frost typically arrives around 11/30, about 278 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 College Station, not a forecast for this year.
What to do before the first frost
About 13 weeks of growing season left in College Station before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 02/27 isn't a guarantee
02/27 is the middle of 30 years of NOAA records, not a promise. Plant by 01/31 and you're betting against frost in roughly 9 years out of 10. 03/18 is the safer bet, historically only a 1-in-10 chance of frost that late.
How College Station compares
College Station's growing season runs about 278 days, ranking 4,907 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 740 of 2,558.
Learn more
local microclimates covers what one yard in College Station can differ from the 77840 normal. zone vs. frost date covers why Zone 9a and College Station's frost date answer different questions.