Rockland, ME 04563 Frost Dates
When can you plant in Rockland, ME?
Around 04/27 is the usual last spring frost, about 242 days away. The first fall frost typically arrives around 10/25, about 178 frost-free days later.
Rockland 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 8 weeks of growing season left in Rockland before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Rockland's last frost
04/27 is the middle of 30 years of NOAA records, not a promise. Plant by 04/17 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 Rockland compares
At roughly 178 frost-free days, Rockland places 25,664 of 40,283 ZIP codes in this dataset. Within ME, it ranks 5 of 456.
Learn more
the frost range covers how to read the range around Rockland's dates instead of trusting one. local microclimates covers what one yard in Rockland can differ from the 04563 normal.