Cornelius, NC 28687 Frost Dates
When can you plant in Cornelius, NC?
The last spring frost here typically falls around 03/24, about 208 days from today. The first fall frost typically arrives around 11/08, about 230 frost-free days later.
The USDA Plant Hardiness Zone Map puts Cornelius in Zone 7b (5 to 10°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 10 weeks of growing season left in Cornelius before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
03/24 is the middle of 30 years of NOAA records, not a promise. Plant by 03/05 and you're betting against frost in roughly 9 years out of 10. 04/09 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Cornelius compares
Cornelius's growing season runs about 230 days, ranking 10,321 of 40,283 US ZIP codes measured here, longest to shortest. Within NC, it ranks 216 of 1,078.
Learn more
zone vs. frost date covers why Zone 7b and Cornelius's frost date answer different questions. the frost range covers how to read the range around Cornelius's dates instead of trusting one.