Jamestown, LA 71045 Frost Dates
When can you plant in Jamestown, LA?
The last spring frost here typically falls around 03/19, about 203 days from today. The first fall frost typically arrives around 11/09, about 237 frost-free days later.
Jamestown sits in USDA Zone 8b (15 to 20°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 Jamestown 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
03/19 is the middle of 30 years of NOAA records, not a promise. Plant by 02/26 and you're betting against frost in roughly 9 years out of 10. 04/10 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Jamestown compares
About 237 days separate Jamestown's last and first frost, putting it 9,182 of 40,283 ZIP codes nationally. Within LA, it ranks 674 of 710.
Learn more
local microclimates covers what one yard in Jamestown can differ from the 71045 normal. zone vs. frost date covers why Zone 8b and Jamestown's frost date answer different questions.