Kirbyville, TX 75933 Frost Dates
When can you plant in Kirbyville, TX?
Around 02/28 is the usual last spring frost, about 184 days away. The first fall frost typically arrives around 11/23, about 273 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 Kirbyville, not a forecast for this year.
What to do before the first frost
About 12 weeks of growing season left in Kirbyville before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
02/28 is the middle of 30 years of NOAA records, not a promise. Plant by 01/29 and you're betting against frost in roughly 9 years out of 10. 03/29 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Kirbyville compares
About 273 days separate Kirbyville's last and first frost, putting it 5,216 of 40,283 ZIP codes nationally. Within TX, it ranks 877 of 2,558.
Learn more
local microclimates covers what one yard in Kirbyville can differ from the 75933 normal. zone vs. frost date covers why Zone 9a and Kirbyville's frost date answer different questions.