FrostDateByZip

Frost dates for 12857Olmstedville, NY

The average last spring frost in Olmstedville is May 23 and the average first fall frost is September 27, giving a typical growing season of about 125 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
May 23

Safer after Jun 4 (1-in-10 risk)

Average first fall frost
Sep 27

Possible by Sep 12 (1-in-10 risk)

Growing season
125 days

Last frost typically in 201 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 22 · Jun 3 · Jun 19Sep 1 · Sep 15 · Sep 29103 days100%
Frost / freeze (32°F)May 6 · May 23 · Jun 4Sep 12 · Sep 27 · Oct 9125 days100%
Hard freeze (28°F)Apr 24 · May 9 · May 24Sep 24 · Oct 7 · Oct 27151 days100%

Planting calendar for Olmstedville

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 22 – Jun 28
TomatoesTransplant outdoorsJun 8 – Jun 7
PeppersStart seeds indoorsApr 22 – May 23
PeppersTransplant outdoorsJun 22 – Jul 23
EggplantStart seeds indoorsMay 9 – Jun 7
EggplantTransplant outdoorsJun 22 – Jul 23
CucumbersSow outdoorsJun 22 – Jun 17
Summer squashSow outdoorsJun 8 – Jul 23
Winter squash & pumpkinsSow outdoorsJun 22 – Jul 23
Snap beansSow outdoorsJun 8 – Jul 10
Sweet cornSow outdoorsJun 8 – Jun 7
Watermelon & cantaloupeSow outdoorsJun 22 – Jul 23
OkraSow outdoorsJun 15 – Jul 8
PeasSow outdoors (spring)Apr 22 – Jun 7
PotatoesPlant outdoors (spring)Apr 22 – Jun 22
OnionsStart seeds indoors (spring)Mar 11 – Apr 7
OnionsTransplant outdoors (spring)May 9 – Jun 7
BroccoliStart seeds indoors (spring)Apr 4 – May 8
BroccoliTransplant outdoors (spring)May 9 – Jun 7
BroccoliStart seeds indoors (fall)May 28 – Jun 7
BroccoliTransplant outdoors (fall)Jun 27 – Jul 8
CabbageStart seeds indoors (spring)Mar 25 – Apr 22
CabbageTransplant outdoors (spring)Apr 22 – May 23
CabbageStart seeds indoors (fall)May 18 – Jun 17
CabbageTransplant outdoors (fall)Jun 17 – Jul 18
Leaf lettuceSow outdoors (spring)Apr 22 – Jul 8
Leaf lettuceSow outdoors (fall)Jun 17 – Aug 3
SpinachSow outdoors (spring)Apr 15 – May 29
SpinachSow outdoors (fall)Jul 4 – Aug 8
RadishesSow outdoors (spring)Apr 22 – Jun 12
RadishesSow outdoors (fall)Jun 17 – Aug 18
KaleSow outdoors (spring)May 9 – May 29
KaleSow outdoors (fall)Jun 10 – Jul 18
CarrotsSow outdoors (spring)May 23 – Jul 8
CarrotsSow outdoors (fall)May 18 – Jul 3
GarlicPlant outdoors (fall)Sep 17 – Oct 18

Where these dates come from

ZIP code 12857 is matched to the NOAA station Indian Lake 2Sw, NY, 27.6 km away, at 1,670 ft elevation (433 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Indian Lake 2Sw, NY (used)1,670 ftMay 23Sep 27
Newcomb, NY1,647 ftMay 21Sep 26
Whitehall, NY119 ftApr 30Oct 12
Conklingville Dam, NY808 ftApr 30Oct 16

Frost dates near Olmstedville

Frequently asked questions

When is the last frost in Olmstedville, NY?
For ZIP code 12857, the average last spring frost (32°F) is May 23, based on NOAA 1991-2020 climate normals for the Indian Lake 2Sw, NY weather station. There is a 1-in-10 chance of a frost after June 4.
When is the first frost in Olmstedville, NY?
The average first fall frost (32°F) is September 27. There is a 1-in-10 chance of frost by September 12, so tender plants are at risk from that point on.
How long is the growing season in 12857?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 125 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.