FrostDateByZip

Frost dates for 56466Motley, MN

The average last spring frost in Motley is May 2 and the average first fall frost is October 6, giving a typical growing season of about 156 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
May 2

Safer after May 14 (1-in-10 risk)

Average first fall frost
Oct 6

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

Growing season
156 days

Last frost typically in 181 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 1 · May 11 · May 24Sep 15 · Sep 28 · Oct 10139 days100%
Frost / freeze (32°F)Apr 21 · May 2 · May 14Sep 25 · Oct 6 · Oct 21156 days100%
Hard freeze (28°F)Apr 11 · Apr 23 · May 4Oct 5 · Oct 19 · Nov 1176 days100%

Planting calendar for Motley

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 1 – Jun 7
TomatoesTransplant outdoorsMay 18 – Jun 16
PeppersStart seeds indoorsApr 1 – May 2
PeppersTransplant outdoorsJun 1 – Jul 2
EggplantStart seeds indoorsApr 18 – May 17
EggplantTransplant outdoorsJun 1 – Jul 2
CucumbersSow outdoorsJun 1 – Jun 26
Summer squashSow outdoorsMay 18 – Jul 2
Winter squash & pumpkinsSow outdoorsJun 1 – Jul 2
Snap beansSow outdoorsMay 18 – Jul 19
Sweet cornSow outdoorsMay 18 – Jun 16
Watermelon & cantaloupeSow outdoorsJun 1 – Jul 2
OkraSow outdoorsMay 25 – Jun 17
PeasSow outdoors (spring)Apr 1 – May 17
PotatoesPlant outdoors (spring)Apr 1 – Jun 1
OnionsStart seeds indoors (spring)Feb 18 – Mar 17
OnionsTransplant outdoors (spring)Apr 18 – May 17
BroccoliStart seeds indoors (spring)Mar 14 – Apr 17
BroccoliTransplant outdoors (spring)Apr 18 – May 17
BroccoliStart seeds indoors (fall)Jun 6 – Jun 16
BroccoliTransplant outdoors (fall)Jul 6 – Jul 17
CabbageStart seeds indoors (spring)Mar 4 – Apr 1
CabbageTransplant outdoors (spring)Apr 1 – May 2
CabbageStart seeds indoors (fall)May 27 – Jun 26
CabbageTransplant outdoors (fall)Jun 26 – Jul 27
Leaf lettuceSow outdoors (spring)Apr 1 – Jun 17
Leaf lettuceSow outdoors (fall)Jun 26 – Aug 12
SpinachSow outdoors (spring)Mar 25 – May 8
SpinachSow outdoors (fall)Jul 13 – Aug 17
RadishesSow outdoors (spring)Apr 1 – May 22
RadishesSow outdoors (fall)Jun 26 – Aug 27
KaleSow outdoors (spring)Apr 18 – May 8
KaleSow outdoors (fall)Jun 19 – Jul 27
CarrotsSow outdoors (spring)May 2 – Jun 17
CarrotsSow outdoors (fall)May 27 – Jul 12
GarlicPlant outdoors (fall)Sep 26 – Oct 27

Where these dates come from

ZIP code 56466 is matched to the NOAA station Gull Lake Dam, MN, 20.8 km away, at 1,215 ft elevation (25 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Gull Lake Dam, MN (used)1,215 ftMay 2Oct 6
Brainerd, MN1,180 ftMay 8Sep 29
Brainerd Crow Wing Co Ap, MN1,221 ftMay 13Sep 27
Little Falls 2Nne, MN1,120 ftMay 4Oct 5

Frost dates near Motley

Frequently asked questions

When is the last frost in Motley, MN?
For ZIP code 56466, the average last spring frost (32°F) is May 2, based on NOAA 1991-2020 climate normals for the Gull Lake Dam, MN weather station. There is a 1-in-10 chance of a frost after May 14.
When is the first frost in Motley, MN?
The average first fall frost (32°F) is October 6. 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 56466?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 156 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.