FrostDateCheck

Burlington, VT 12944 Frost Dates

When can you plant in Burlington, VT?

Zone 5a

The last spring frost here typically falls around 05/04, about 249 days from today. The first fall frost typically arrives around 10/04, about 152 frost-free days later.

The USDA Plant Hardiness Zone Map puts Burlington in Zone 5a (-20 to -15°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 5 weeks of growing season left in Burlington before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Burlington's last frost

05/04 is the middle of 30 years of NOAA records, not a promise. Plant by 04/24 and you're betting against frost in roughly 9 years out of 10. 05/17 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Burlington compares

Burlington's growing season runs about 152 days, ranking 34,680 of 40,283 US ZIP codes measured here, longest to shortest. Within VT, it ranks 56 of 330.

Learn more

local microclimates covers what one yard in Burlington can differ from the 12944 normal. zone vs. frost date covers why Zone 5a and Burlington's frost date answer different questions.