FrostDateByZip

Frost dates for 46962North Manchester, IN

The average last spring frost in North Manchester is April 26 and the average first fall frost is October 19, giving a typical growing season of about 174 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Apr 26

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

Average first fall frost
Oct 19

Possible by Oct 5 (1-in-10 risk)

Growing season
174 days

Last frost typically in 175 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 23 · May 6 · May 20Sep 24 · Oct 7 · Oct 20154 days100%
Frost / freeze (32°F)Apr 12 · Apr 26 · May 11Oct 5 · Oct 19 · Oct 31174 days100%
Hard freeze (28°F)Mar 31 · Apr 14 · Apr 29Oct 16 · Oct 29 · Nov 11197 days100%

Planting calendar for North Manchester

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 26 – Jun 1
TomatoesTransplant outdoorsMay 12 – Jun 29
PeppersStart seeds indoorsMar 26 – Apr 26
PeppersTransplant outdoorsMay 26 – Jun 26
EggplantStart seeds indoorsApr 12 – May 11
EggplantTransplant outdoorsMay 26 – Jun 26
CucumbersSow outdoorsMay 26 – Jul 9
Summer squashSow outdoorsMay 12 – Jun 26
Winter squash & pumpkinsSow outdoorsMay 26 – Jun 26
Snap beansSow outdoorsMay 12 – Aug 1
Sweet cornSow outdoorsMay 12 – Jun 29
Watermelon & cantaloupeSow outdoorsMay 26 – Jun 26
OkraSow outdoorsMay 19 – Jun 11
PeasSow outdoors (spring)Mar 26 – May 11
PotatoesPlant outdoors (spring)Mar 26 – May 26
OnionsStart seeds indoors (spring)Feb 12 – Mar 11
OnionsTransplant outdoors (spring)Apr 12 – May 11
BroccoliStart seeds indoors (spring)Mar 8 – Apr 11
BroccoliTransplant outdoors (spring)Apr 12 – May 11
BroccoliStart seeds indoors (fall)Jun 19 – Jun 29
BroccoliTransplant outdoors (fall)Jul 19 – Jul 30
CabbageStart seeds indoors (spring)Feb 26 – Mar 26
CabbageTransplant outdoors (spring)Mar 26 – Apr 26
CabbageStart seeds indoors (fall)Jun 9 – Jul 9
CabbageTransplant outdoors (fall)Jul 9 – Aug 9
Leaf lettuceSow outdoors (spring)Mar 26 – Jun 11
Leaf lettuceSow outdoors (fall)Jul 9 – Aug 25
SpinachSow outdoors (spring)Mar 19 – May 2
SpinachSow outdoors (fall)Jul 26 – Aug 30
RadishesSow outdoors (spring)Mar 26 – May 16
RadishesSow outdoors (fall)Jul 9 – Sep 9
KaleSow outdoors (spring)Apr 12 – May 2
KaleSow outdoors (fall)Jul 2 – Aug 9
CarrotsSow outdoors (spring)Apr 26 – Jun 11
CarrotsSow outdoors (fall)Jun 9 – Jul 25
GarlicPlant outdoors (fall)Oct 9 – Nov 9

Where these dates come from

ZIP code 46962 is matched to the NOAA station N Manchester Wwtp, IN, 1 km away, at 760 ft elevation (8 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
N Manchester Wwtp, IN (used)760 ftApr 26Oct 19
Wabash, IN665 ftApr 23Oct 21
Huntington, IN725 ftMay 1Oct 14
Columbia City, IN834 ftApr 27Oct 17

Frost dates near North Manchester

Frequently asked questions

When is the last frost in North Manchester, IN?
For ZIP code 46962, the average last spring frost (32°F) is April 26, based on NOAA 1991-2020 climate normals for the N Manchester Wwtp, IN weather station. There is a 1-in-10 chance of a frost after May 11.
When is the first frost in North Manchester, IN?
The average first fall frost (32°F) is October 19. There is a 1-in-10 chance of frost by October 5, so tender plants are at risk from that point on.
How long is the growing season in 46962?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 174 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.