FrostDateByZip

Frost dates for 17731Eagles Mere, PA

The average last spring frost in Eagles Mere is May 6 and the average first fall frost is October 7, giving a typical growing season of about 154 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
May 6

Safer after May 22 (1-in-10 risk)

Average first fall frost
Oct 7

Possible by Sep 24 (1-in-10 risk)

Growing season
154 days

Last frost typically in 184 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 1 · May 18 · May 30Sep 17 · Sep 29 · Oct 10133 days100%
Frost / freeze (32°F)Apr 22 · May 6 · May 22Sep 24 · Oct 7 · Oct 24154 days100%
Hard freeze (28°F)Apr 12 · Apr 27 · May 12Oct 5 · Oct 20 · Nov 4177 days100%

Planting calendar for Eagles Mere

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 5 – Jun 11
TomatoesTransplant outdoorsMay 22 – Jun 17
PeppersStart seeds indoorsApr 5 – May 6
PeppersTransplant outdoorsJun 5 – Jul 6
EggplantStart seeds indoorsApr 22 – May 21
EggplantTransplant outdoorsJun 5 – Jul 6
CucumbersSow outdoorsJun 5 – Jun 27
Summer squashSow outdoorsMay 22 – Jul 6
Winter squash & pumpkinsSow outdoorsJun 5 – Jul 6
Snap beansSow outdoorsMay 22 – Jul 20
Sweet cornSow outdoorsMay 22 – Jun 17
Watermelon & cantaloupeSow outdoorsJun 5 – Jul 6
OkraSow outdoorsMay 29 – Jun 21
PeasSow outdoors (spring)Apr 5 – May 21
PotatoesPlant outdoors (spring)Apr 5 – Jun 5
OnionsStart seeds indoors (spring)Feb 22 – Mar 21
OnionsTransplant outdoors (spring)Apr 22 – May 21
BroccoliStart seeds indoors (spring)Mar 18 – Apr 21
BroccoliTransplant outdoors (spring)Apr 22 – May 21
BroccoliStart seeds indoors (fall)Jun 7 – Jun 17
BroccoliTransplant outdoors (fall)Jul 7 – Jul 18
CabbageStart seeds indoors (spring)Mar 8 – Apr 5
CabbageTransplant outdoors (spring)Apr 5 – May 6
CabbageStart seeds indoors (fall)May 28 – Jun 27
CabbageTransplant outdoors (fall)Jun 27 – Jul 28
Leaf lettuceSow outdoors (spring)Apr 5 – Jun 21
Leaf lettuceSow outdoors (fall)Jun 27 – Aug 13
SpinachSow outdoors (spring)Mar 29 – May 12
SpinachSow outdoors (fall)Jul 14 – Aug 18
RadishesSow outdoors (spring)Apr 5 – May 26
RadishesSow outdoors (fall)Jun 27 – Aug 28
KaleSow outdoors (spring)Apr 22 – May 12
KaleSow outdoors (fall)Jun 20 – Jul 28
CarrotsSow outdoors (spring)May 6 – Jun 21
CarrotsSow outdoors (fall)May 28 – Jul 13
GarlicPlant outdoors (fall)Sep 27 – Oct 28

Where these dates come from

ZIP code 17731 is matched to the NOAA station Laporte, PA, 7.5 km away, at 1,966 ft elevation (98 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Laporte, PA (used)1,966 ftMay 6Oct 7
Dushore, PA1,530 ftMay 14Oct 2
Benton 3 Ne, PA1,095 ftMay 4Oct 11
Williamsport, PA520 ftApr 24Oct 23

Frost dates near Eagles Mere

Frequently asked questions

When is the last frost in Eagles Mere, PA?
For ZIP code 17731, the average last spring frost (32°F) is May 6, based on NOAA 1991-2020 climate normals for the Laporte, PA weather station. There is a 1-in-10 chance of a frost after May 22.
When is the first frost in Eagles Mere, PA?
The average first fall frost (32°F) is October 7. There is a 1-in-10 chance of frost by September 24, so tender plants are at risk from that point on.
How long is the growing season in 17731?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 154 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.