FrostDateByZip

Frost dates for 44233Hinckley, OH

The average last spring frost in Hinckley is April 29 and the average first fall frost is October 19, giving a typical growing season of about 172 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Apr 29

Safer after May 15 (1-in-10 risk)

Average first fall frost
Oct 19

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

Growing season
172 days

Last frost typically in 179 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 25 · May 8 · May 25Sep 25 · Oct 8 · Oct 21150 days100%
Frost / freeze (32°F)Apr 15 · Apr 29 · May 15Oct 5 · Oct 19 · Nov 1172 days100%
Hard freeze (28°F)Apr 3 · Apr 17 · May 3Oct 17 · Nov 1 · Nov 13195 days100%

Planting calendar for Hinckley

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 29 – Jun 4
TomatoesTransplant outdoorsMay 15 – Jun 29
PeppersStart seeds indoorsMar 29 – Apr 29
PeppersTransplant outdoorsMay 29 – Jun 29
EggplantStart seeds indoorsApr 15 – May 14
EggplantTransplant outdoorsMay 29 – Jun 29
CucumbersSow outdoorsMay 29 – Jul 9
Summer squashSow outdoorsMay 15 – Jun 29
Winter squash & pumpkinsSow outdoorsMay 29 – Jun 29
Snap beansSow outdoorsMay 15 – Aug 1
Sweet cornSow outdoorsMay 15 – Jun 29
Watermelon & cantaloupeSow outdoorsMay 29 – Jun 29
OkraSow outdoorsMay 22 – Jun 14
PeasSow outdoors (spring)Mar 29 – May 14
PotatoesPlant outdoors (spring)Mar 29 – May 29
OnionsStart seeds indoors (spring)Feb 15 – Mar 14
OnionsTransplant outdoors (spring)Apr 15 – May 14
BroccoliStart seeds indoors (spring)Mar 11 – Apr 14
BroccoliTransplant outdoors (spring)Apr 15 – May 14
BroccoliStart seeds indoors (fall)Jun 19 – Jun 29
BroccoliTransplant outdoors (fall)Jul 19 – Jul 30
CabbageStart seeds indoors (spring)Mar 1 – Mar 29
CabbageTransplant outdoors (spring)Mar 29 – Apr 29
CabbageStart seeds indoors (fall)Jun 9 – Jul 9
CabbageTransplant outdoors (fall)Jul 9 – Aug 9
Leaf lettuceSow outdoors (spring)Mar 29 – Jun 14
Leaf lettuceSow outdoors (fall)Jul 9 – Aug 25
SpinachSow outdoors (spring)Mar 22 – May 5
SpinachSow outdoors (fall)Jul 26 – Aug 30
RadishesSow outdoors (spring)Mar 29 – May 19
RadishesSow outdoors (fall)Jul 9 – Sep 9
KaleSow outdoors (spring)Apr 15 – May 5
KaleSow outdoors (fall)Jul 2 – Aug 9
CarrotsSow outdoors (spring)Apr 29 – Jun 14
CarrotsSow outdoors (fall)Jun 9 – Jul 25
GarlicPlant outdoors (fall)Oct 9 – Nov 9

Where these dates come from

ZIP code 44233 is matched to the NOAA station Chippewa Lake, OH, 26.5 km away, at 1,180 ft elevation (88 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Chippewa Lake, OH (used)1,180 ftApr 29Oct 19
Cleveland, OH763 ftApr 20Nov 3
Stow 4 Se, OH1,060 ftApr 30Oct 21
Elyria 3 E, OH730 ftApr 22Nov 1

Frost dates near Hinckley

Frequently asked questions

When is the last frost in Hinckley, OH?
For ZIP code 44233, the average last spring frost (32°F) is April 29, based on NOAA 1991-2020 climate normals for the Chippewa Lake, OH weather station. There is a 1-in-10 chance of a frost after May 15.
When is the first frost in Hinckley, OH?
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 44233?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 172 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.