FrostDateCheck

Lisbon, LA 71048 Frost Dates

When can you plant in Lisbon, LA?

Zone 8b

The last spring frost here typically falls around 03/30, about 214 days from today. The first fall frost typically arrives around 11/06, about 221 frost-free days later.

The USDA Plant Hardiness Zone Map puts Lisbon in Zone 8b (15 to 20°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 10 weeks of growing season left in Lisbon before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Lisbon's last frost

03/30 is the middle of 30 years of NOAA records, not a promise. Plant by 03/09 and you're betting against frost in roughly 9 years out of 10. 04/16 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Lisbon compares

About 221 days separate Lisbon's last and first frost, putting it 12,605 of 40,283 ZIP codes nationally. Within LA, it ranks 709 of 710.

Learn more

local microclimates covers what one yard in Lisbon can differ from the 71048 normal. zone vs. frost date covers why Zone 8b and Lisbon's frost date answer different questions.