FrostDateByZip

Frost dates for 68711Amelia, NE

The average last spring frost in Amelia is May 4 and the average first fall frost is October 2, giving a typical growing season of about 150 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
May 4

Safer after May 19 (1-in-10 risk)

Average first fall frost
Oct 2

Possible by Sep 20 (1-in-10 risk)

Growing season
150 days

Last frost typically in 189 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)May 3 · May 16 · May 30Sep 11 · Sep 25 · Oct 6131 days100%
Frost / freeze (32°F)Apr 21 · May 4 · May 19Sep 20 · Oct 2 · Oct 14150 days100%
Hard freeze (28°F)Apr 9 · Apr 25 · May 9Sep 27 · Oct 11 · Oct 22168 days100%

Planting calendar for Amelia

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 indoorsApr 3 – Jun 9
TomatoesTransplant outdoorsMay 20 – Jun 12
PeppersStart seeds indoorsApr 3 – May 4
PeppersTransplant outdoorsJun 3 – Jul 4
EggplantStart seeds indoorsApr 20 – May 19
EggplantTransplant outdoorsJun 3 – Jul 4
CucumbersSow outdoorsJun 3 – Jun 22
Summer squashSow outdoorsMay 20 – Jul 4
Winter squash & pumpkinsSow outdoorsJun 3 – Jul 4
Snap beansSow outdoorsMay 20 – Jul 15
Sweet cornSow outdoorsMay 20 – Jun 12
Watermelon & cantaloupeSow outdoorsJun 3 – Jul 4
OkraSow outdoorsMay 27 – Jun 19
PeasSow outdoors (spring)Apr 3 – May 19
PotatoesPlant outdoors (spring)Apr 3 – Jun 3
OnionsStart seeds indoors (spring)Feb 20 – Mar 19
OnionsTransplant outdoors (spring)Apr 20 – May 19
BroccoliStart seeds indoors (spring)Mar 16 – Apr 19
BroccoliTransplant outdoors (spring)Apr 20 – May 19
BroccoliStart seeds indoors (fall)Jun 2 – Jun 12
BroccoliTransplant outdoors (fall)Jul 2 – Jul 13
CabbageStart seeds indoors (spring)Mar 6 – Apr 3
CabbageTransplant outdoors (spring)Apr 3 – May 4
CabbageStart seeds indoors (fall)May 23 – Jun 22
CabbageTransplant outdoors (fall)Jun 22 – Jul 23
Leaf lettuceSow outdoors (spring)Apr 3 – Jun 19
Leaf lettuceSow outdoors (fall)Jun 22 – Aug 8
SpinachSow outdoors (spring)Mar 27 – May 10
SpinachSow outdoors (fall)Jul 9 – Aug 13
RadishesSow outdoors (spring)Apr 3 – May 24
RadishesSow outdoors (fall)Jun 22 – Aug 23
KaleSow outdoors (spring)Apr 20 – May 10
KaleSow outdoors (fall)Jun 15 – Jul 23
CarrotsSow outdoors (spring)May 4 – Jun 19
CarrotsSow outdoors (fall)May 23 – Jul 8
GarlicPlant outdoors (fall)Sep 22 – Oct 23

Where these dates come from

ZIP code 68711 is matched to the NOAA station Swan Lake, NE, 6.7 km away, at 2,330 ft elevation (27 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Swan Lake, NE (used)2,330 ftMay 4Oct 2
Chambers, NE2,129 ftMay 1Oct 7
Atkinson 3Sw, NE2,128 ftMay 4Oct 4
O'Neill, NE1,990 ftMay 3Oct 5

Frost dates near Amelia

Frequently asked questions

When is the last frost in Amelia, NE?
For ZIP code 68711, the average last spring frost (32°F) is May 4, based on NOAA 1991-2020 climate normals for the Swan Lake, NE weather station. There is a 1-in-10 chance of a frost after May 19.
When is the first frost in Amelia, NE?
The average first fall frost (32°F) is October 2. There is a 1-in-10 chance of frost by September 20, so tender plants are at risk from that point on.
How long is the growing season in 68711?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 150 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.