Ellsworth, ME 04606 Frost Dates
When can you plant in Ellsworth, ME?
Typically, the last spring freeze lands around 05/03, roughly 248 days out. The first fall frost typically arrives around 10/09, about 158 frost-free days later.
Ellsworth sits in USDA Zone 6a (-10 to -5°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
About 6 weeks of growing season left in Ellsworth before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Ellsworth's last frost
05/03 is the middle of 30 years of NOAA records, not a promise. Plant by 04/22 and you're betting against frost in roughly 9 years out of 10. 05/16 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Ellsworth compares
About 158 days separate Ellsworth's last and first frost, putting it 32,942 of 40,283 ZIP codes nationally. Within ME, it ranks 172 of 456.
Learn more
the frost range covers how to read the range around Ellsworth's dates instead of trusting one. local microclimates covers what one yard in Ellsworth can differ from the 04606 normal.