Millbrook, NY 12506 Frost Dates
When can you plant in Millbrook, NY?
Around 05/04 is the usual last spring frost, about 249 days away. The first fall frost typically arrives around 10/07, about 155 frost-free days later.
The USDA Plant Hardiness Zone Map puts Millbrook in Zone 6a (-10 to -5°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 6 weeks of growing season left in Millbrook 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
05/04 is the middle of 30 years of NOAA records, not a promise. Plant by 04/21 and you're betting against frost in roughly 9 years out of 10. 05/21 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Millbrook compares
Millbrook's growing season runs about 155 days, ranking 34,012 of 40,283 US ZIP codes measured here, longest to shortest. Within NY, it ranks 1,384 of 1,951.
Learn more
zone vs. frost date covers why Zone 6a and Millbrook's frost date answer different questions. the frost range covers how to read the range around Millbrook's dates instead of trusting one.