FrostDateByZip

Frost dates for 73801Woodward, OK

The average last spring frost in Woodward is April 5 and the average first fall frost is October 30, giving a typical growing season of about 206 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Apr 5

Safer after Apr 23 (1-in-10 risk)

Average first fall frost
Oct 30

Possible by Oct 15 (1-in-10 risk)

Growing season
206 days

Last frost typically in 153 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 1 · Apr 18 · May 3Oct 6 · Oct 21 · Nov 4186 days100%
Frost / freeze (32°F)Mar 19 · Apr 5 · Apr 23Oct 15 · Oct 30 · Nov 14206 days100%
Hard freeze (28°F)Mar 6 · Mar 25 · Apr 12Oct 22 · Nov 8 · Nov 24225 days100%

Planting calendar for Woodward

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 5 – May 11
TomatoesTransplant outdoorsApr 21 – Jul 10
PeppersStart seeds indoorsMar 5 – Apr 5
PeppersTransplant outdoorsMay 5 – Jun 5
EggplantStart seeds indoorsMar 22 – Apr 20
EggplantTransplant outdoorsMay 5 – Jun 5
CucumbersSow outdoorsMay 5 – Jul 20
Summer squashSow outdoorsApr 21 – Jun 5
Winter squash & pumpkinsSow outdoorsMay 5 – Jun 5
Snap beansSow outdoorsApr 21 – Aug 12
Sweet cornSow outdoorsApr 21 – Jul 10
Watermelon & cantaloupeSow outdoorsMay 5 – Jun 5
OkraSow outdoorsApr 28 – May 21
PeasSow outdoors (spring)Mar 5 – Apr 20
PotatoesPlant outdoors (spring)Mar 5 – May 5
OnionsStart seeds indoors (spring)Jan 22 – Feb 18
OnionsTransplant outdoors (spring)Mar 22 – Apr 20
BroccoliStart seeds indoors (spring)Feb 15 – Mar 21
BroccoliTransplant outdoors (spring)Mar 22 – Apr 20
BroccoliStart seeds indoors (fall)Jun 30 – Jul 10
BroccoliTransplant outdoors (fall)Jul 30 – Aug 10
CabbageStart seeds indoors (spring)Feb 5 – Mar 5
CabbageTransplant outdoors (spring)Mar 5 – Apr 5
CabbageStart seeds indoors (fall)Jun 20 – Jul 20
CabbageTransplant outdoors (fall)Jul 20 – Aug 20
Leaf lettuceSow outdoors (spring)Mar 5 – May 21
Leaf lettuceSow outdoors (fall)Jul 20 – Sep 5
SpinachSow outdoors (spring)Feb 26 – Apr 11
SpinachSow outdoors (fall)Aug 6 – Sep 10
RadishesSow outdoors (spring)Mar 5 – Apr 25
RadishesSow outdoors (fall)Jul 20 – Sep 20
KaleSow outdoors (spring)Mar 22 – Apr 11
KaleSow outdoors (fall)Jul 13 – Aug 20
CarrotsSow outdoors (spring)Apr 5 – May 21
CarrotsSow outdoors (fall)Jun 20 – Aug 5
GarlicPlant outdoors (fall)Oct 20 – Nov 20

Where these dates come from

ZIP code 73801 is matched to the NOAA station Woodward 2Wsw Mesonet, OK, 1.4 km away, at 2,050 ft elevation (88 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Woodward 2Wsw Mesonet, OK (used)2,050 ftApr 5Oct 30
Ft Supply 3Se, OK2,030 ftApr 21Oct 19
Mutual, OK1,890 ftApr 19Oct 26
Gage Ap, OK2,191 ftApr 17Oct 20

Frost dates near Woodward

Frequently asked questions

When is the last frost in Woodward, OK?
For ZIP code 73801, the average last spring frost (32°F) is April 5, based on NOAA 1991-2020 climate normals for the Woodward 2Wsw Mesonet, OK weather station. There is a 1-in-10 chance of a frost after April 23.
When is the first frost in Woodward, OK?
The average first fall frost (32°F) is October 30. There is a 1-in-10 chance of frost by October 15, so tender plants are at risk from that point on.
How long is the growing season in 73801?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 206 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.