Patterson, LA 70392 Frost Dates
When can you plant in Patterson, LA?
Typically, the last spring freeze lands around 01/30, roughly 155 days out. The first fall frost typically arrives around 01/01, about 335 frost-free days later.
Zone 9b (25 to 30°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 Patterson, not a forecast for this year.
What to do before the first frost
About 18 weeks of growing season left in Patterson 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
01/30 is the middle of 30 years of NOAA records, not a promise. Plant by 03/05 and you're betting against frost in roughly 9 years out of 10. 12/30 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Patterson compares
Patterson's growing season runs about 335 days, ranking 2,747 of 40,283 US ZIP codes measured here, longest to shortest. Within LA, it ranks 23 of 710.
Learn more
local microclimates covers what one yard in Patterson can differ from the 70392 normal. zone vs. frost date covers why Zone 9b and Patterson's frost date answer different questions.