FrostDateByZip

Frost dates for 12861Putnam Station, NY

The average last spring frost in Putnam Station is May 5 and the average first fall frost is October 3, giving a typical growing season of about 151 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
May 5

Safer after May 20 (1-in-10 risk)

Average first fall frost
Oct 3

Possible by Sep 21 (1-in-10 risk)

Growing season
151 days

Last frost typically in 183 days

Frost risk by date

NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.

Spring dates: chance of a frost AFTER the date. Fall dates: chance of a frost BEFORE the date.
TemperatureLast spring: 90% / 50% / 10% chanceFirst fall: 10% / 50% / 90% chanceGrowing season (50%)Years with at least one
Light frost (36°F)May 3 · May 18 · Jun 3Sep 10 · Sep 25 · Oct 6128 days100%
Frost / freeze (32°F)Apr 23 · May 5 · May 20Sep 21 · Oct 3 · Oct 19151 days100%
Hard freeze (28°F)Apr 12 · Apr 26 · May 8Oct 1 · Oct 16 · Nov 1173 days100%

Planting calendar for Putnam Station

Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.

CropTaskWindow
TomatoesStart seeds indoorsApr 4 – Jun 10
TomatoesTransplant outdoorsMay 21 – Jun 13
PeppersStart seeds indoorsApr 4 – May 5
PeppersTransplant outdoorsJun 4 – Jul 5
EggplantStart seeds indoorsApr 21 – May 20
EggplantTransplant outdoorsJun 4 – Jul 5
CucumbersSow outdoorsJun 4 – Jun 23
Summer squashSow outdoorsMay 21 – Jul 5
Winter squash & pumpkinsSow outdoorsJun 4 – Jul 5
Snap beansSow outdoorsMay 21 – Jul 16
Sweet cornSow outdoorsMay 21 – Jun 13
Watermelon & cantaloupeSow outdoorsJun 4 – Jul 5
OkraSow outdoorsMay 28 – Jun 20
PeasSow outdoors (spring)Apr 4 – May 20
PotatoesPlant outdoors (spring)Apr 4 – Jun 4
OnionsStart seeds indoors (spring)Feb 21 – Mar 20
OnionsTransplant outdoors (spring)Apr 21 – May 20
BroccoliStart seeds indoors (spring)Mar 17 – Apr 20
BroccoliTransplant outdoors (spring)Apr 21 – May 20
BroccoliStart seeds indoors (fall)Jun 3 – Jun 13
BroccoliTransplant outdoors (fall)Jul 3 – Jul 14
CabbageStart seeds indoors (spring)Mar 7 – Apr 4
CabbageTransplant outdoors (spring)Apr 4 – May 5
CabbageStart seeds indoors (fall)May 24 – Jun 23
CabbageTransplant outdoors (fall)Jun 23 – Jul 24
Leaf lettuceSow outdoors (spring)Apr 4 – Jun 20
Leaf lettuceSow outdoors (fall)Jun 23 – Aug 9
SpinachSow outdoors (spring)Mar 28 – May 11
SpinachSow outdoors (fall)Jul 10 – Aug 14
RadishesSow outdoors (spring)Apr 4 – May 25
RadishesSow outdoors (fall)Jun 23 – Aug 24
KaleSow outdoors (spring)Apr 21 – May 11
KaleSow outdoors (fall)Jun 16 – Jul 24
CarrotsSow outdoors (spring)May 5 – Jun 20
CarrotsSow outdoors (fall)May 24 – Jul 9
GarlicPlant outdoors (fall)Sep 23 – Oct 24

Where these dates come from

ZIP code 12861 is matched to the NOAA station Cornwall, VT, 27.6 km away, at 345 ft elevation (144 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Cornwall, VT (used)345 ftMay 5Oct 3
Whitehall, NY119 ftApr 30Oct 12
Salisbury 2 N, VT420 ftMay 21Sep 26
Rutland, VT620 ftMay 15Sep 27

Frost dates near Putnam Station

Frequently asked questions

When is the last frost in Putnam Station, NY?
For ZIP code 12861, the average last spring frost (32°F) is May 5, based on NOAA 1991-2020 climate normals for the Cornwall, VT weather station. There is a 1-in-10 chance of a frost after May 20.
When is the first frost in Putnam Station, NY?
The average first fall frost (32°F) is October 3. There is a 1-in-10 chance of frost by September 21, so tender plants are at risk from that point on.
How long is the growing season in 12861?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 151 days long.
Are these frost dates a forecast?
No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.