FrostDateByZip

Frost dates for 68957Lawrence, NE

The average last spring frost in Lawrence is April 19 and the average first fall frost is October 20, giving a typical growing season of about 181 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Apr 19

Safer after May 3 (1-in-10 risk)

Average first fall frost
Oct 20

Possible by Oct 3 (1-in-10 risk)

Growing season
181 days

Last frost typically in 168 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 15 · Apr 30 · May 13Sep 27 · Oct 10 · Oct 22162 days100%
Frost / freeze (32°F)Apr 5 · Apr 19 · May 3Oct 3 · Oct 20 · Nov 1181 days100%
Hard freeze (28°F)Mar 24 · Apr 7 · Apr 22Oct 15 · Oct 29 · Nov 11203 days100%

Planting calendar for Lawrence

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 19 – May 25
TomatoesTransplant outdoorsMay 5 – Jun 30
PeppersStart seeds indoorsMar 19 – Apr 19
PeppersTransplant outdoorsMay 19 – Jun 19
EggplantStart seeds indoorsApr 5 – May 4
EggplantTransplant outdoorsMay 19 – Jun 19
CucumbersSow outdoorsMay 19 – Jul 10
Summer squashSow outdoorsMay 5 – Jun 19
Winter squash & pumpkinsSow outdoorsMay 19 – Jun 19
Snap beansSow outdoorsMay 5 – Aug 2
Sweet cornSow outdoorsMay 5 – Jun 30
Watermelon & cantaloupeSow outdoorsMay 19 – Jun 19
OkraSow outdoorsMay 12 – Jun 4
PeasSow outdoors (spring)Mar 19 – May 4
PotatoesPlant outdoors (spring)Mar 19 – May 19
OnionsStart seeds indoors (spring)Feb 5 – Mar 4
OnionsTransplant outdoors (spring)Apr 5 – May 4
BroccoliStart seeds indoors (spring)Mar 1 – Apr 4
BroccoliTransplant outdoors (spring)Apr 5 – May 4
BroccoliStart seeds indoors (fall)Jun 20 – Jun 30
BroccoliTransplant outdoors (fall)Jul 20 – Jul 31
CabbageStart seeds indoors (spring)Feb 19 – Mar 19
CabbageTransplant outdoors (spring)Mar 19 – Apr 19
CabbageStart seeds indoors (fall)Jun 10 – Jul 10
CabbageTransplant outdoors (fall)Jul 10 – Aug 10
Leaf lettuceSow outdoors (spring)Mar 19 – Jun 4
Leaf lettuceSow outdoors (fall)Jul 10 – Aug 26
SpinachSow outdoors (spring)Mar 12 – Apr 25
SpinachSow outdoors (fall)Jul 27 – Aug 31
RadishesSow outdoors (spring)Mar 19 – May 9
RadishesSow outdoors (fall)Jul 10 – Sep 10
KaleSow outdoors (spring)Apr 5 – Apr 25
KaleSow outdoors (fall)Jul 3 – Aug 10
CarrotsSow outdoors (spring)Apr 19 – Jun 4
CarrotsSow outdoors (fall)Jun 10 – Jul 26
GarlicPlant outdoors (fall)Oct 10 – Nov 10

Where these dates come from

ZIP code 68957 is matched to the NOAA station Clay Ctr, NE, 31.4 km away, at 1,788 ft elevation (75 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Clay Ctr, NE (used)1,788 ftApr 19Oct 20
Superior, NE1,512 ftApr 29Oct 10
Red Cloud, NE1,732 ftMay 1Oct 5
Hastings Muni Ap, NE1,940 ftApr 22Oct 16

Frost dates near Lawrence

Frequently asked questions

When is the last frost in Lawrence, NE?
For ZIP code 68957, the average last spring frost (32°F) is April 19, based on NOAA 1991-2020 climate normals for the Clay Ctr, NE weather station. There is a 1-in-10 chance of a frost after May 3.
When is the first frost in Lawrence, NE?
The average first fall frost (32°F) is October 20. There is a 1-in-10 chance of frost by October 3, so tender plants are at risk from that point on.
How long is the growing season in 68957?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 181 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.