FrostDateCheck

St. Augustine, FL 32095 Frost Dates

When can you plant in St. Augustine, FL?

Zone 9b

Typically, the last spring freeze lands around 02/01, roughly 157 days out. The first fall frost typically arrives around 01/05, about 334 frost-free days later.

St. Augustine sits in USDA Zone 9b (25 to 30°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 19 weeks of growing season left in St. Augustine before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around St. Augustine's last frost

02/01 is the middle of 30 years of NOAA records, not a promise. Plant by 03/03 and you're betting against frost in roughly 9 years out of 10. 12/31 is the safer bet, historically only a 1-in-10 chance of frost that late.

How St. Augustine compares

At roughly 334 frost-free days, St. Augustine places 2,787 of 40,283 ZIP codes in this dataset. Within FL, it ranks 1,106 of 1,609.

Learn more

local microclimates covers what one yard in St. Augustine can differ from the 32095 normal. zone vs. frost date covers why Zone 9b and St. Augustine's frost date answer different questions.