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USDA Hardiness Zone 6a

Frost Dates for 12534 — Hudson, New York

Averages from Hudson Correctional Facility, Ny US, the nearest reporting station, 2.1 miles away.

Plant tender crops after April 25, and expect the first autumn freeze around October 18. That leaves about 176 frost-free days.

Last spring frost
April 25

50% probability

First fall frost
October 18

50% probability

Growing season
176 days

frost-free

Hardiness zone
6a

-10 to -5°F annual low

First snow
December 11

median, 1991–2020

Last snow
March 2

median, 1991–2020

Winters with snow
76%

16 of 21 observed

Snow per year
31"

NOAA normal

When it snows in Hudson, New York

The first measurable snow (0.1 inch or more) in Hudson, New York usually arrives around December 11, and the last of the season around March 2. Those are the middle dates across the winters of 1991–2020 at Hudson Correctional Facility, Ny US: half of years saw snow earlier, half later. Snow fell in 76% of those winters.

For a gardener, snow matters less than frost: a light snow on frozen ground changes nothing, while a hard frost on an unprotected bed ends the season. Use the frost dates above for planting and the snow dates for getting hoses drained, mulch down and tender pots indoors.

Planting calendar for 12534

What to do and when, based on the frost normals for Hudson, New York
WhenWhat to do
February 14 – February 28

Start peppers and aubergines indoors

They need eight to ten weeks under lights before they can go out.

February 28 – March 14

Start tomatoes indoors

Six to eight weeks gives a transplant big enough to set fruit early.

March 28 – April 11

Sow peas, spinach, lettuce, radish outdoors

These tolerate light frost and prefer to germinate in cool soil.

April 25 onward

Transplant tomatoes, peppers, basil, squash, cucumbers

The average last freeze has passed — still watch the actual forecast.

by July 26

Sow the autumn crop of carrots, beets and brassicas

They need about twelve weeks to size up before growth stops.

by October 4

Harvest tender crops, or be ready to cover them

A first freeze two weeks early is well within normal variation.

October 18 onward

Plant garlic, mulch beds, lift tender bulbs

Garlic wants a cold spell; bare soil loses structure over winter.

What these dates mean

Wait until after April 25 to put tender plants — tomatoes, peppers, basil, squash — in the ground. That is the date by which half of years in Hudson, New York are past their last freeze. Harvest before October 18, which leaves roughly 176 frost-free days.

ZIP 12534 sits in USDA hardiness zone 6a, meaning the average coldest night of the year falls between -10 to -5°F. Zone decides what survives the winter; frost dates decide when to plant each spring. They are different questions, and a plant can pass one and fail the other.

These are thirty-year NOAA averages for 1991–2020, not a forecast. Any individual year can frost two to three weeks either side of these dates, so check the actual forecast before planting out.

Other zone 6a ZIP codes in New York