FrostDateByZip

Frost dates for 68821Brewster, NE

The average last spring frost in Brewster is May 6 and the average first fall frost is October 3, giving a typical growing season of about 150 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
May 6

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

Average first fall frost
Oct 3

Possible by Sep 19 (1-in-10 risk)

Growing season
150 days

Last frost typically in 191 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 15 · May 28Sep 10 · Sep 25 · Oct 6132 days100%
Frost / freeze (32°F)Apr 23 · May 6 · May 19Sep 19 · Oct 3 · Oct 15150 days100%
Hard freeze (28°F)Apr 12 · Apr 27 · May 11Sep 30 · Oct 13 · Oct 25169 days100%

Planting calendar for Brewster

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 5 – Jun 11
TomatoesTransplant outdoorsMay 22 – Jun 13
PeppersStart seeds indoorsApr 5 – May 6
PeppersTransplant outdoorsJun 5 – Jul 6
EggplantStart seeds indoorsApr 22 – May 21
EggplantTransplant outdoorsJun 5 – Jul 6
CucumbersSow outdoorsJun 5 – Jun 23
Summer squashSow outdoorsMay 22 – Jul 6
Winter squash & pumpkinsSow outdoorsJun 5 – Jul 6
Snap beansSow outdoorsMay 22 – Jul 16
Sweet cornSow outdoorsMay 22 – Jun 13
Watermelon & cantaloupeSow outdoorsJun 5 – Jul 6
OkraSow outdoorsMay 29 – Jun 21
PeasSow outdoors (spring)Apr 5 – May 21
PotatoesPlant outdoors (spring)Apr 5 – Jun 5
OnionsStart seeds indoors (spring)Feb 22 – Mar 21
OnionsTransplant outdoors (spring)Apr 22 – May 21
BroccoliStart seeds indoors (spring)Mar 18 – Apr 21
BroccoliTransplant outdoors (spring)Apr 22 – May 21
BroccoliStart seeds indoors (fall)Jun 3 – Jun 13
BroccoliTransplant outdoors (fall)Jul 3 – Jul 14
CabbageStart seeds indoors (spring)Mar 8 – Apr 5
CabbageTransplant outdoors (spring)Apr 5 – May 6
CabbageStart seeds indoors (fall)May 24 – Jun 23
CabbageTransplant outdoors (fall)Jun 23 – Jul 24
Leaf lettuceSow outdoors (spring)Apr 5 – Jun 21
Leaf lettuceSow outdoors (fall)Jun 23 – Aug 9
SpinachSow outdoors (spring)Mar 29 – May 12
SpinachSow outdoors (fall)Jul 10 – Aug 14
RadishesSow outdoors (spring)Apr 5 – May 26
RadishesSow outdoors (fall)Jun 23 – Aug 24
KaleSow outdoors (spring)Apr 22 – May 12
KaleSow outdoors (fall)Jun 16 – Jul 24
CarrotsSow outdoors (spring)May 6 – Jun 21
CarrotsSow outdoors (fall)May 24 – Jul 9
GarlicPlant outdoors (fall)Sep 23 – Oct 24

Where these dates come from

ZIP code 68821 is matched to the NOAA station Elsmere 9 Ene, NE, 29.2 km away, at 2,654 ft elevation (164 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Elsmere 9 Ene, NE (used)2,654 ftMay 6Oct 3
Purdum, NE2,690 ftMay 9Oct 2
Anselmo 2 Wsw, NE2,733 ftMay 10Oct 1
Taylor, NE2,270 ftMay 3Oct 5

Frost dates near Brewster

Frequently asked questions

When is the last frost in Brewster, NE?
For ZIP code 68821, the average last spring frost (32°F) is May 6, based on NOAA 1991-2020 climate normals for the Elsmere 9 Ene, NE weather station. There is a 1-in-10 chance of a frost after May 19.
When is the first frost in Brewster, NE?
The average first fall frost (32°F) is October 3. There is a 1-in-10 chance of frost by September 19, so tender plants are at risk from that point on.
How long is the growing season in 68821?
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.