FrostDateByZip

Frost dates for 68726Clearwater, NE

The average last spring frost in Clearwater is April 29 and the average first fall frost is October 9, giving a typical growing season of about 162 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Apr 29

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

Average first fall frost
Oct 9

Possible by Sep 25 (1-in-10 risk)

Growing season
162 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 21Sep 17 · Sep 30 · Oct 11143 days100%
Frost / freeze (32°F)Apr 15 · Apr 29 · May 11Sep 25 · Oct 9 · Oct 22162 days100%
Hard freeze (28°F)Apr 5 · Apr 19 · May 3Oct 3 · Oct 19 · Oct 31181 days100%

Planting calendar for Clearwater

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 19
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 – Jun 29
Summer squashSow outdoorsMay 15 – Jun 29
Winter squash & pumpkinsSow outdoorsMay 29 – Jun 29
Snap beansSow outdoorsMay 15 – Jul 22
Sweet cornSow outdoorsMay 15 – Jun 19
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 9 – Jun 19
BroccoliTransplant outdoors (fall)Jul 9 – Jul 20
CabbageStart seeds indoors (spring)Mar 1 – Mar 29
CabbageTransplant outdoors (spring)Mar 29 – Apr 29
CabbageStart seeds indoors (fall)May 30 – Jun 29
CabbageTransplant outdoors (fall)Jun 29 – Jul 30
Leaf lettuceSow outdoors (spring)Mar 29 – Jun 14
Leaf lettuceSow outdoors (fall)Jun 29 – Aug 15
SpinachSow outdoors (spring)Mar 22 – May 5
SpinachSow outdoors (fall)Jul 16 – Aug 20
RadishesSow outdoors (spring)Mar 29 – May 19
RadishesSow outdoors (fall)Jun 29 – Aug 30
KaleSow outdoors (spring)Apr 15 – May 5
KaleSow outdoors (fall)Jun 22 – Jul 30
CarrotsSow outdoors (spring)Apr 29 – Jun 14
CarrotsSow outdoors (fall)May 30 – Jul 15
GarlicPlant outdoors (fall)Sep 29 – Oct 30

Where these dates come from

ZIP code 68726 is matched to the NOAA station Elgin, NE, 18.1 km away, at 1,935 ft elevation (52 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Elgin, NE (used)1,935 ftApr 29Oct 9
Oakdale, NE1,749 ftMay 4Oct 4
Ewing, NE1,854 ftMay 7Sep 30
Bartlett 1W, NE2,175 ftMay 4Oct 8

Frost dates near Clearwater

Frequently asked questions

When is the last frost in Clearwater, NE?
For ZIP code 68726, the average last spring frost (32°F) is April 29, based on NOAA 1991-2020 climate normals for the Elgin, NE weather station. There is a 1-in-10 chance of a frost after May 11.
When is the first frost in Clearwater, NE?
The average first fall frost (32°F) is October 9. There is a 1-in-10 chance of frost by September 25, so tender plants are at risk from that point on.
How long is the growing season in 68726?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 162 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.