FrostDateByZip

Frost dates for 74402Muskogee, OK

The average last spring frost in Muskogee is April 7 and the average first fall frost is October 30, giving a typical growing season of about 208 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Apr 7

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

Average first fall frost
Oct 30

Possible by Oct 16 (1-in-10 risk)

Growing season
208 days

First frost typically in 4 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 2 · Apr 18 · May 3Oct 9 · Oct 23 · Nov 4187 days100%
Frost / freeze (32°F)Mar 20 · Apr 7 · Apr 26Oct 16 · Oct 30 · Nov 13208 days100%
Hard freeze (28°F)Mar 4 · Mar 26 · Apr 11Oct 26 · Nov 8 · Nov 26231 days100%

Planting calendar for Muskogee

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 indoorsMar 7 – May 13
TomatoesTransplant outdoorsApr 23 – Jul 10
PeppersStart seeds indoorsMar 7 – Apr 7
PeppersTransplant outdoorsMay 7 – Jun 7
EggplantStart seeds indoorsMar 24 – Apr 22
EggplantTransplant outdoorsMay 7 – Jun 7
CucumbersSow outdoorsMay 7 – Jul 20
Summer squashSow outdoorsApr 23 – Jun 7
Winter squash & pumpkinsSow outdoorsMay 7 – Jun 7
Snap beansSow outdoorsApr 23 – Aug 12
Sweet cornSow outdoorsApr 23 – Jul 10
Watermelon & cantaloupeSow outdoorsMay 7 – Jun 7
OkraSow outdoorsApr 30 – May 23
PeasSow outdoors (spring)Mar 7 – Apr 22
PotatoesPlant outdoors (spring)Mar 7 – May 7
OnionsStart seeds indoors (spring)Jan 24 – Feb 20
OnionsTransplant outdoors (spring)Mar 24 – Apr 22
BroccoliStart seeds indoors (spring)Feb 17 – Mar 23
BroccoliTransplant outdoors (spring)Mar 24 – Apr 22
BroccoliStart seeds indoors (fall)Jun 30 – Jul 10
BroccoliTransplant outdoors (fall)Jul 30 – Aug 10
CabbageStart seeds indoors (spring)Feb 7 – Mar 7
CabbageTransplant outdoors (spring)Mar 7 – Apr 7
CabbageStart seeds indoors (fall)Jun 20 – Jul 20
CabbageTransplant outdoors (fall)Jul 20 – Aug 20
Leaf lettuceSow outdoors (spring)Mar 7 – May 23
Leaf lettuceSow outdoors (fall)Jul 20 – Sep 5
SpinachSow outdoors (spring)Feb 28 – Apr 13
SpinachSow outdoors (fall)Aug 6 – Sep 10
RadishesSow outdoors (spring)Mar 7 – Apr 27
RadishesSow outdoors (fall)Jul 20 – Sep 20
KaleSow outdoors (spring)Mar 24 – Apr 13
KaleSow outdoors (fall)Jul 13 – Aug 20
CarrotsSow outdoors (spring)Apr 7 – May 23
CarrotsSow outdoors (fall)Jun 20 – Aug 5
GarlicPlant outdoors (fall)Oct 20 – Nov 20

Where these dates come from

ZIP code 74402 is matched to the NOAA station Muskogee, OK, 2.9 km away, at 518 ft elevation (27 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Muskogee, OK (used)518 ftApr 7Oct 30
Muskogee Davis Fld, OK610 ftApr 2Nov 2
Wagoner, OK590 ftMar 29Nov 5
Webbers Falls 5 Wsw, OK550 ftApr 6Oct 30

Frost dates near Muskogee

Frequently asked questions

When is the last frost in Muskogee, OK?
For ZIP code 74402, the average last spring frost (32°F) is April 7, based on NOAA 1991-2020 climate normals for the Muskogee, OK weather station. There is a 1-in-10 chance of a frost after April 26.
When is the first frost in Muskogee, OK?
The average first fall frost (32°F) is October 30. There is a 1-in-10 chance of frost by October 16, so tender plants are at risk from that point on.
How long is the growing season in 74402?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 208 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.