FrostDateCheck

Presque Isle, ME 04737 Frost Dates

When can you plant in Presque Isle, ME?

Zone 3b

Around 05/30 is the usual last spring frost, about 275 days away. The first fall frost typically arrives around 09/13, about 106 frost-free days later.

Presque Isle sits in USDA Zone 3b (-35 to -30°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 2 weeks of growing season left in Presque Isle 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

05/30 is the middle of 30 years of NOAA records, not a promise. Plant by 05/12 and you're betting against frost in roughly 9 years out of 10. 06/12 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Presque Isle compares

Presque Isle's growing season runs about 106 days, ranking 39,576 of 40,283 US ZIP codes measured here, longest to shortest. Within ME, it ranks 452 of 456.

Learn more

local microclimates covers what one yard in Presque Isle can differ from the 04737 normal. zone vs. frost date covers why Zone 3b and Presque Isle's frost date answer different questions.