Nashua, NH 03052 Frost Dates
When can you plant in Nashua, NH?
The last spring frost here typically falls around 04/30, about 245 days from today. The first fall frost typically arrives around 10/12, about 165 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 Nashua, not a forecast for this year.
What to do before the first frost
About 6 weeks of growing season left in Nashua before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Nashua's last frost
04/30 is the middle of 30 years of NOAA records, not a promise. Plant by 04/18 and you're betting against frost in roughly 9 years out of 10. 05/11 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Nashua compares
About 165 days separate Nashua's last and first frost, putting it 30,476 of 40,283 ZIP codes nationally. Within NH, it ranks 24 of 260.
Learn more
the frost range covers how to read the range around Nashua's dates instead of trusting one. local microclimates covers what one yard in Nashua can differ from the 03052 normal.