Topsail Beach, NC 28443 Frost Dates
When can you plant in Topsail Beach, NC?
Typically, the last spring freeze lands around 03/26, roughly 210 days out. The first fall frost typically arrives around 11/13, about 233 frost-free days later.
Zone 8b (15 to 20°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 Topsail Beach, not a forecast for this year.
What to do before the first frost
About 11 weeks of growing season left in Topsail Beach 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
03/26 is the middle of 30 years of NOAA records, not a promise. Plant by 03/11 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 Topsail Beach compares
Topsail Beach's growing season runs about 233 days, ranking 9,963 of 40,283 US ZIP codes measured here, longest to shortest. Within NC, it ranks 170 of 1,078.
Learn more
the frost range covers how to read the range around Topsail Beach's dates instead of trusting one. local microclimates covers what one yard in Topsail Beach can differ from the 28443 normal.