Mint Hill, NC 28215 Frost Dates
Mint Hill, NC: when does the frost end?
Around 03/30 is the usual last spring frost, about 214 days away. Fall's first freeze usually shows up around 11/03, roughly 221 days after the last spring frost.
Zone 8a (10 to 15°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 Mint Hill, not a forecast for this year.
Stretching the season past the first frost
With roughly 10 weeks until Mint Hill's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Mint Hill's last frost
03/30 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/12 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/14 and only about 1 year in 10 sees frost after that.
Mint Hill against the rest of the dataset
At roughly 221 frost-free days, Mint Hill places 12,454 of 40,283 ZIP codes in this dataset. Within NC, it ranks 528 of 1,078.
Learn more
Before leaning on 28215's figures: zone vs. frost date explains why Zone 8a and Mint Hill's frost date answer different questions, while the frost range explains how to read the range around Mint Hill's dates instead of trusting one.