FrostDateByZip

Frost dates for 58733Des Lacs, ND

The average last spring frost in Des Lacs is May 13 and the average first fall frost is September 27, giving a typical growing season of about 136 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
May 13

Safer after May 26 (1-in-10 risk)

Average first fall frost
Sep 27

Possible by Sep 14 (1-in-10 risk)

Growing season
136 days

Last frost typically in 202 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 10 · May 22 · Jun 3Sep 5 · Sep 20 · Oct 1119 days100%
Frost / freeze (32°F)May 1 · May 13 · May 26Sep 14 · Sep 27 · Oct 9136 days100%
Hard freeze (28°F)Apr 18 · May 3 · May 16Sep 22 · Oct 5 · Oct 18154 days100%

Planting calendar for Des Lacs

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 12 – Jun 18
TomatoesTransplant outdoorsMay 29 – Jun 7
PeppersStart seeds indoorsApr 12 – May 13
PeppersTransplant outdoorsJun 12 – Jul 13
EggplantStart seeds indoorsApr 29 – May 28
EggplantTransplant outdoorsJun 12 – Jul 13
CucumbersSow outdoorsJun 12 – Jun 17
Summer squashSow outdoorsMay 29 – Jul 13
Winter squash & pumpkinsSow outdoorsJun 12 – Jul 13
Snap beansSow outdoorsMay 29 – Jul 10
Sweet cornSow outdoorsMay 29 – Jun 7
Watermelon & cantaloupeSow outdoorsJun 12 – Jul 13
OkraSow outdoorsJun 5 – Jun 28
PeasSow outdoors (spring)Apr 12 – May 28
PotatoesPlant outdoors (spring)Apr 12 – Jun 12
OnionsStart seeds indoors (spring)Mar 1 – Mar 28
OnionsTransplant outdoors (spring)Apr 29 – May 28
BroccoliStart seeds indoors (spring)Mar 25 – Apr 28
BroccoliTransplant outdoors (spring)Apr 29 – May 28
BroccoliStart seeds indoors (fall)May 28 – Jun 7
BroccoliTransplant outdoors (fall)Jun 27 – Jul 8
CabbageStart seeds indoors (spring)Mar 15 – Apr 12
CabbageTransplant outdoors (spring)Apr 12 – May 13
CabbageStart seeds indoors (fall)May 18 – Jun 17
CabbageTransplant outdoors (fall)Jun 17 – Jul 18
Leaf lettuceSow outdoors (spring)Apr 12 – Jun 28
Leaf lettuceSow outdoors (fall)Jun 17 – Aug 3
SpinachSow outdoors (spring)Apr 5 – May 19
SpinachSow outdoors (fall)Jul 4 – Aug 8
RadishesSow outdoors (spring)Apr 12 – Jun 2
RadishesSow outdoors (fall)Jun 17 – Aug 18
KaleSow outdoors (spring)Apr 29 – May 19
KaleSow outdoors (fall)Jun 10 – Jul 18
CarrotsSow outdoors (spring)May 13 – Jun 28
CarrotsSow outdoors (fall)May 18 – Jul 3
GarlicPlant outdoors (fall)Sep 17 – Oct 18

Where these dates come from

ZIP code 58733 is matched to the NOAA station Minot Exp Stn, ND, 21.7 km away, at 1,769 ft elevation (170 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Minot Exp Stn, ND (used)1,769 ftMay 13Sep 27
Minot Intl Ap, ND1,665 ftMay 10Oct 1
Foxholm 7 N, ND1,675 ftMay 11Sep 29
Velva, ND1,510 ftMay 22Sep 22

Frost dates near Des Lacs

Frequently asked questions

When is the last frost in Des Lacs, ND?
For ZIP code 58733, the average last spring frost (32°F) is May 13, based on NOAA 1991-2020 climate normals for the Minot Exp Stn, ND weather station. There is a 1-in-10 chance of a frost after May 26.
When is the first frost in Des Lacs, ND?
The average first fall frost (32°F) is September 27. There is a 1-in-10 chance of frost by September 14, so tender plants are at risk from that point on.
How long is the growing season in 58733?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 136 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.