Newbury, VT 03740 Frost Dates
When can you plant in Newbury, VT?
Around 05/15 is the usual last spring frost, about 260 days away. The first fall frost typically arrives around 09/28, about 133 frost-free days later.
The USDA Plant Hardiness Zone Map puts Newbury 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 4 weeks of growing season left in Newbury 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
05/15 is the middle of 30 years of NOAA records, not a promise. Plant by 05/01 and you're betting against frost in roughly 9 years out of 10. 06/03 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Newbury compares
Newbury's growing season runs about 133 days, ranking 38,095 of 40,283 US ZIP codes measured here, longest to shortest. Within VT, it ranks 250 of 330.
Learn more
local microclimates covers what one yard in Newbury can differ from the 03740 normal. zone vs. frost date covers why Zone 5a and Newbury's frost date answer different questions.