Ellsworth, ME 04660 Frost Dates
When can you plant in Ellsworth, ME?
Around 04/27 is the usual last spring frost, about 242 days away. The first fall frost typically arrives around 10/22, about 177 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 Ellsworth, not a forecast for this year.
What to do before the first frost
About 8 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.
How much risk comes with planting early here
04/27 is the middle of 30 years of NOAA records, not a promise. Plant by 04/15 and you're betting against frost in roughly 9 years out of 10. 05/08 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Ellsworth compares
At roughly 177 frost-free days, Ellsworth places 26,077 of 40,283 ZIP codes in this dataset. Within ME, it ranks 41 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 04660 normal.