FrostDateByZip

Frost dates for 56587Vergas, MN

The average last spring frost in Vergas is May 15 and the average first fall frost is September 24, giving a typical growing season of about 130 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
May 15

Safer after May 30 (1-in-10 risk)

Average first fall frost
Sep 24

Possible by Sep 9 (1-in-10 risk)

Growing season
130 days

Last frost typically in 199 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 12 · May 26 · Jun 7Aug 28 · Sep 13 · Sep 27109 days100%
Frost / freeze (32°F)May 2 · May 15 · May 30Sep 9 · Sep 24 · Oct 6130 days100%
Hard freeze (28°F)Apr 24 · May 5 · May 19Sep 18 · Oct 3 · Oct 18150 days100%

Planting calendar for Vergas

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 14 – Jun 20
TomatoesTransplant outdoorsMay 31 – Jun 4
PeppersStart seeds indoorsApr 14 – May 15
PeppersTransplant outdoorsJun 14 – Jul 15
EggplantStart seeds indoorsMay 1 – May 30
EggplantTransplant outdoorsJun 14 – Jul 15
CucumbersSow outdoorsJun 14 – Jun 14
Summer squashSow outdoorsMay 31 – Jul 15
Winter squash & pumpkinsSow outdoorsJun 14 – Jul 15
Snap beansSow outdoorsMay 31 – Jul 7
Sweet cornSow outdoorsMay 31 – Jun 4
Watermelon & cantaloupeSow outdoorsJun 14 – Jul 15
OkraSow outdoorsJun 7 – Jun 30
PeasSow outdoors (spring)Apr 14 – May 30
PotatoesPlant outdoors (spring)Apr 14 – Jun 14
OnionsStart seeds indoors (spring)Mar 3 – Mar 30
OnionsTransplant outdoors (spring)May 1 – May 30
BroccoliStart seeds indoors (spring)Mar 27 – Apr 30
BroccoliTransplant outdoors (spring)May 1 – May 30
BroccoliStart seeds indoors (fall)May 25 – Jun 4
BroccoliTransplant outdoors (fall)Jun 24 – Jul 5
CabbageStart seeds indoors (spring)Mar 17 – Apr 14
CabbageTransplant outdoors (spring)Apr 14 – May 15
CabbageStart seeds indoors (fall)May 15 – Jun 14
CabbageTransplant outdoors (fall)Jun 14 – Jul 15
Leaf lettuceSow outdoors (spring)Apr 14 – Jun 30
Leaf lettuceSow outdoors (fall)Jun 14 – Jul 31
SpinachSow outdoors (spring)Apr 7 – May 21
SpinachSow outdoors (fall)Jul 1 – Aug 5
RadishesSow outdoors (spring)Apr 14 – Jun 4
RadishesSow outdoors (fall)Jun 14 – Aug 15
KaleSow outdoors (spring)May 1 – May 21
KaleSow outdoors (fall)Jun 7 – Jul 15
CarrotsSow outdoors (spring)May 15 – Jun 30
CarrotsSow outdoors (fall)May 15 – Jun 30
GarlicPlant outdoors (fall)Sep 14 – Oct 15

Where these dates come from

ZIP code 56587 is matched to the NOAA station Detroit Lakes 1 Nne, MN, 18.8 km away, at 1,355 ft elevation (30 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Detroit Lakes 1 Nne, MN (used)1,355 ftMay 15Sep 24
Detroit Lakes 12E, MN1,542 ftMay 4Oct 3
Tamarac Wildlife Re, MN1,508 ftMay 5Oct 3
Ottertail, MN1,349 ftMay 5Oct 5

Frost dates near Vergas

Frequently asked questions

When is the last frost in Vergas, MN?
For ZIP code 56587, the average last spring frost (32°F) is May 15, based on NOAA 1991-2020 climate normals for the Detroit Lakes 1 Nne, MN weather station. There is a 1-in-10 chance of a frost after May 30.
When is the first frost in Vergas, MN?
The average first fall frost (32°F) is September 24. There is a 1-in-10 chance of frost by September 9, so tender plants are at risk from that point on.
How long is the growing season in 56587?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 130 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.