Mount Morris, NY 14462 Frost Dates
When can you plant in Mount Morris, NY?
Typically, the last spring freeze lands around 05/01, roughly 246 days out. The first fall frost typically arrives around 10/19, about 170 frost-free days later.
The USDA Plant Hardiness Zone Map puts Mount Morris in Zone 6a (-10 to -5°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 7 weeks of growing season left in Mount Morris before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Mount Morris's last frost
05/01 is the middle of 30 years of NOAA records, not a promise. Plant by 04/20 and you're betting against frost in roughly 9 years out of 10. 05/18 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Mount Morris compares
About 170 days separate Mount Morris's last and first frost, putting it 29,026 of 40,283 ZIP codes nationally. Within NY, it ranks 758 of 1,951.
Learn more
the frost range covers how to read the range around Mount Morris's dates instead of trusting one. local microclimates covers what one yard in Mount Morris can differ from the 14462 normal.