FrostDateCheck

Fort Wayne, IN 46825 Frost Dates

When can you plant in Fort Wayne, IN?

Zone 6a

The last spring frost here typically falls around 05/02, about 247 days from today. The first fall frost typically arrives around 10/10, about 159 frost-free days later.

Zone 6a (-10 to -5°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 Fort Wayne, not a forecast for this year.

What to do before the first frost

About 6 weeks of growing season left in Fort Wayne before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Fort Wayne's last frost

05/02 is the middle of 30 years of NOAA records, not a promise. Plant by 04/19 and you're betting against frost in roughly 9 years out of 10. 05/16 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Fort Wayne compares

At roughly 159 frost-free days, Fort Wayne places 32,565 of 40,283 ZIP codes in this dataset. Within IN, it ranks 916 of 927.

Learn more

zone vs. frost date covers why Zone 6a and Fort Wayne's frost date answer different questions. the frost range covers how to read the range around Fort Wayne's dates instead of trusting one.