FrostDateCheck

Greenwood, IN 46143 Frost Dates

Greenwood, IN: when does the frost end?

Zone 6a

The last spring frost here typically falls around 04/20, about 235 days from today. Fall's first freeze usually shows up around 10/21, roughly 183 days after the last spring frost.

Greenwood sits in USDA Zone 6a (-10 to -5°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 8 weeks until Greenwood's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.

The actual range around Greenwood's last frost

04/20 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/06 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/05 and only about 1 year in 10 sees frost after that.

Greenwood against the rest of the dataset

At roughly 183 frost-free days, Greenwood places 23,736 of 40,283 ZIP codes in this dataset. Within IN, it ranks 413 of 927.

Learn more

Before leaning on 46143's figures: zone vs. frost date explains why Zone 6a and Greenwood's frost date answer different questions, while the frost range explains how to read the range around Greenwood's dates instead of trusting one.