FrostDateByZip

Frost dates for 17772Turbotville, PA

The average last spring frost in Turbotville is April 24 and the average first fall frost is October 23, giving a typical growing season of about 180 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Apr 24

Safer after May 11 (1-in-10 risk)

Average first fall frost
Oct 23

Possible by Oct 6 (1-in-10 risk)

Growing season
180 days

Last frost typically in 173 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 6 · May 23Sep 28 · Oct 10 · Oct 25156 days100%
Frost / freeze (32°F)Apr 12 · Apr 24 · May 11Oct 6 · Oct 23 · Nov 5180 days100%
Hard freeze (28°F)Mar 29 · Apr 12 · Apr 29Oct 20 · Nov 3 · Nov 17205 days100%

Planting calendar for Turbotville

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 3
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 13
Summer squashSow outdoorsMay 10 – Jun 24
Winter squash & pumpkinsSow outdoorsMay 24 – Jun 24
Snap beansSow outdoorsMay 10 – Aug 5
Sweet cornSow outdoorsMay 10 – Jul 3
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 23 – Jul 3
BroccoliTransplant outdoors (fall)Jul 23 – Aug 3
CabbageStart seeds indoors (spring)Feb 24 – Mar 24
CabbageTransplant outdoors (spring)Mar 24 – Apr 24
CabbageStart seeds indoors (fall)Jun 13 – Jul 13
CabbageTransplant outdoors (fall)Jul 13 – Aug 13
Leaf lettuceSow outdoors (spring)Mar 24 – Jun 9
Leaf lettuceSow outdoors (fall)Jul 13 – Aug 29
SpinachSow outdoors (spring)Mar 17 – Apr 30
SpinachSow outdoors (fall)Jul 30 – Sep 3
RadishesSow outdoors (spring)Mar 24 – May 14
RadishesSow outdoors (fall)Jul 13 – Sep 13
KaleSow outdoors (spring)Apr 10 – Apr 30
KaleSow outdoors (fall)Jul 6 – Aug 13
CarrotsSow outdoors (spring)Apr 24 – Jun 9
CarrotsSow outdoors (fall)Jun 13 – Jul 29
GarlicPlant outdoors (fall)Oct 13 – Nov 13

Where these dates come from

ZIP code 17772 is matched to the NOAA station Williamsport, PA, 20.9 km away, at 520 ft elevation (51 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Williamsport, PA (used)520 ftApr 24Oct 23
Lewisburg, PA500 ftApr 26Oct 20
Williamsport 2, PA525 ftApr 25Oct 24
Sunbury, PA575 ftApr 30Oct 13

Frost dates near Turbotville

Frequently asked questions

When is the last frost in Turbotville, PA?
For ZIP code 17772, the average last spring frost (32°F) is April 24, based on NOAA 1991-2020 climate normals for the Williamsport, PA weather station. There is a 1-in-10 chance of a frost after May 11.
When is the first frost in Turbotville, PA?
The average first fall frost (32°F) is October 23. There is a 1-in-10 chance of frost by October 6, so tender plants are at risk from that point on.
How long is the growing season in 17772?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 180 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.