FrostDateByZip

Frost dates for 14086Lancaster, NY

The average last spring frost in Lancaster is April 24 and the average first fall frost is October 26, giving a typical growing season of about 183 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Apr 24

Safer after May 9 (1-in-10 risk)

Average first fall frost
Oct 26

Possible by Oct 10 (1-in-10 risk)

Growing season
183 days

Last frost typically in 172 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)Apr 22 · May 4 · May 19Sep 30 · Oct 13 · Oct 27160 days100%
Frost / freeze (32°F)Apr 11 · Apr 24 · May 9Oct 10 · Oct 26 · Nov 9183 days100%
Hard freeze (28°F)Apr 1 · Apr 13 · Apr 27Oct 25 · Nov 6 · Nov 22208 days100%

Planting calendar for Lancaster

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 indoorsMar 24 – May 30
TomatoesTransplant outdoorsMay 10 – Jul 6
PeppersStart seeds indoorsMar 24 – Apr 24
PeppersTransplant outdoorsMay 24 – Jun 24
EggplantStart seeds indoorsApr 10 – May 9
EggplantTransplant outdoorsMay 24 – Jun 24
CucumbersSow outdoorsMay 24 – Jul 16
Summer squashSow outdoorsMay 10 – Jun 24
Winter squash & pumpkinsSow outdoorsMay 24 – Jun 24
Snap beansSow outdoorsMay 10 – Aug 8
Sweet cornSow outdoorsMay 10 – Jul 6
Watermelon & cantaloupeSow outdoorsMay 24 – Jun 24
OkraSow outdoorsMay 17 – Jun 9
PeasSow outdoors (spring)Mar 24 – May 9
PotatoesPlant outdoors (spring)Mar 24 – May 24
OnionsStart seeds indoors (spring)Feb 10 – Mar 9
OnionsTransplant outdoors (spring)Apr 10 – May 9
BroccoliStart seeds indoors (spring)Mar 6 – Apr 9
BroccoliTransplant outdoors (spring)Apr 10 – May 9
BroccoliStart seeds indoors (fall)Jun 26 – Jul 6
BroccoliTransplant outdoors (fall)Jul 26 – Aug 6
CabbageStart seeds indoors (spring)Feb 24 – Mar 24
CabbageTransplant outdoors (spring)Mar 24 – Apr 24
CabbageStart seeds indoors (fall)Jun 16 – Jul 16
CabbageTransplant outdoors (fall)Jul 16 – Aug 16
Leaf lettuceSow outdoors (spring)Mar 24 – Jun 9
Leaf lettuceSow outdoors (fall)Jul 16 – Sep 1
SpinachSow outdoors (spring)Mar 17 – Apr 30
SpinachSow outdoors (fall)Aug 2 – Sep 6
RadishesSow outdoors (spring)Mar 24 – May 14
RadishesSow outdoors (fall)Jul 16 – Sep 16
KaleSow outdoors (spring)Apr 10 – Apr 30
KaleSow outdoors (fall)Jul 9 – Aug 16
CarrotsSow outdoors (spring)Apr 24 – Jun 9
CarrotsSow outdoors (fall)Jun 16 – Aug 1
GarlicPlant outdoors (fall)Oct 16 – Nov 16

Where these dates come from

ZIP code 14086 is matched to the NOAA station Buffalo, NY, 8 km away, at 693 ft elevation (10 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Buffalo, NY (used)693 ftApr 24Oct 26
Wales, NY1,135 ftMay 7Oct 10
N Tonawanda, NY578 ftMay 6Oct 15
Colden 1 N, NY1,025 ftMay 7Oct 11

Frost dates near Lancaster

Frequently asked questions

When is the last frost in Lancaster, NY?
For ZIP code 14086, the average last spring frost (32°F) is April 24, based on NOAA 1991-2020 climate normals for the Buffalo, NY weather station. There is a 1-in-10 chance of a frost after May 9.
When is the first frost in Lancaster, NY?
The average first fall frost (32°F) is October 26. There is a 1-in-10 chance of frost by October 10, so tender plants are at risk from that point on.
How long is the growing season in 14086?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 183 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.