Union Springs, AL 36089 Frost Dates
Union Springs, AL: when does the frost end?
Typically, the last spring freeze lands around 03/25, roughly 209 days out. Fall's first freeze usually shows up around 11/06, roughly 226 days after the last spring frost.
Union Springs 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.
Stretching the season past the first frost
With roughly 10 weeks until Union Springs's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Union Springs's last frost
03/25 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/28 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/13 and only about 1 year in 10 sees frost after that.
Union Springs against the rest of the dataset
At roughly 226 frost-free days, Union Springs places 11,207 of 40,283 ZIP codes in this dataset. Within AL, it ranks 586 of 809.
Learn more
Before leaning on 36089's figures: zone vs. frost date explains why Zone 8b and Union Springs's frost date answer different questions, while the frost range explains how to read the range around Union Springs's dates instead of trusting one.