FrostDateByZip

Frost dates for 56115Balaton, MN

The average last spring frost in Balaton is May 2 and the average first fall frost is October 5, 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 15 (1-in-10 risk)

Average first fall frost
Oct 5

Possible by Sep 22 (1-in-10 risk)

Growing season
156 days

Last frost typically in 187 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 30 · May 11 · May 26Sep 14 · Sep 27 · Oct 10138 days100%
Frost / freeze (32°F)Apr 18 · May 2 · May 15Sep 22 · Oct 5 · Oct 20156 days100%
Hard freeze (28°F)Apr 8 · Apr 23 · May 5Oct 1 · Oct 15 · Oct 28175 days100%

Planting calendar for Balaton

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 15
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 25
Summer squashSow outdoorsMay 18 – Jul 2
Winter squash & pumpkinsSow outdoorsJun 1 – Jul 2
Snap beansSow outdoorsMay 18 – Jul 18
Sweet cornSow outdoorsMay 18 – Jun 15
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 5 – Jun 15
BroccoliTransplant outdoors (fall)Jul 5 – Jul 16
CabbageStart seeds indoors (spring)Mar 4 – Apr 1
CabbageTransplant outdoors (spring)Apr 1 – May 2
CabbageStart seeds indoors (fall)May 26 – Jun 25
CabbageTransplant outdoors (fall)Jun 25 – Jul 26
Leaf lettuceSow outdoors (spring)Apr 1 – Jun 17
Leaf lettuceSow outdoors (fall)Jun 25 – Aug 11
SpinachSow outdoors (spring)Mar 25 – May 8
SpinachSow outdoors (fall)Jul 12 – Aug 16
RadishesSow outdoors (spring)Apr 1 – May 22
RadishesSow outdoors (fall)Jun 25 – Aug 26
KaleSow outdoors (spring)Apr 18 – May 8
KaleSow outdoors (fall)Jun 18 – Jul 26
CarrotsSow outdoors (spring)May 2 – Jun 17
CarrotsSow outdoors (fall)May 26 – Jul 11
GarlicPlant outdoors (fall)Sep 25 – Oct 26

Where these dates come from

ZIP code 56115 is matched to the NOAA station Tracy, MN, 20.2 km away, at 1,403 ft elevation (169 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Tracy, MN (used)1,403 ftMay 2Oct 5
Lake Wilson, MN1,653 ftMay 7Sep 29
Marshall, MN1,149 ftMay 5Oct 3
Pipestone, MN1,705 ftMay 4Oct 2

Frost dates near Balaton

Frequently asked questions

When is the last frost in Balaton, MN?
For ZIP code 56115, the average last spring frost (32°F) is May 2, based on NOAA 1991-2020 climate normals for the Tracy, MN weather station. There is a 1-in-10 chance of a frost after May 15.
When is the first frost in Balaton, MN?
The average first fall frost (32°F) is October 5. There is a 1-in-10 chance of frost by September 22, so tender plants are at risk from that point on.
How long is the growing season in 56115?
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.