When to plant Kale in Oklahoma

In spring, from Feb 10 – Mar 1 in Ardmore to Mar 20 – Apr 10 in Guymon.

In fall, from July 15 – Sept 1 in Ada to Aug 1 – Sept 15 in Shawnee.

USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.

Kale planting dates by place in Oklahoma
PlaceSpringFall
AdaMar 1 – 20July 15 – Sept 1
AltusMar 10 – Apr 1July 15 – Sept 1
ArdmoreFeb 10 – Mar 1Aug 1 – Sept 15
BartlesvilleMar 10 – Apr 1July 15 – Aug 15
BethanyMar 1 – 20July 15 – Sept 1
BixbyMar 1 – 20July 15 – Sept 1
Broken ArrowMar 1 – 20July 15 – Sept 1
ChickashaMar 1 – 20July 15 – Sept 1
ChoctawMar 1 – 20Aug 1 – Sept 15
ClaremoreMar 10 – Apr 1July 15 – Sept 1
CowetaMar 1 – 20July 15 – Sept 1
Del CityMar 1 – 20Aug 1 – Sept 15
DuncanFeb 20 – Mar 10Aug 1 – Sept 15
DurantMar 1 – 20Aug 1 – Sept 15
EdmondMar 10 – Apr 1July 15 – Sept 1
El RenoMar 10 – Apr 1July 15 – Sept 1
Elk CityMar 10 – Apr 1July 15 – Sept 1
EnidMar 10 – Apr 1July 15 – Sept 1
GlenpoolMar 1 – 20July 15 – Sept 1
GuthrieMar 1 – 20July 15 – Sept 1
GuymonMar 20 – Apr 10July 15 – Aug 15
JenksMar 1 – 20July 15 – Sept 1
LawtonMar 1 – 20Aug 1 – Sept 15
McAlesterMar 1 – 20July 15 – Sept 1
MiamiMar 10 – Apr 1July 15 – Sept 1
Midwest CityMar 1 – 20Aug 1 – Sept 15
MooreMar 1 – 20Aug 1 – Sept 15
MuskogeeMar 10 – Apr 1July 15 – Sept 1
MustangMar 1 – 20July 15 – Sept 1
NewcastleMar 1 – 20Aug 1 – Sept 15
NormanMar 1 – 20July 15 – Sept 1
Oklahoma CityMar 1 – 20July 15 – Sept 1
OkmulgeeMar 10 – Apr 1July 15 – Sept 1
OwassoMar 1 – 20July 15 – Sept 1
Ponca CityMar 10 – Apr 1July 15 – Sept 1
Sand SpringsMar 1 – 20July 15 – Sept 1
SapulpaMar 1 – 20July 15 – Sept 1
ShawneeMar 1 – 20Aug 1 – Sept 15
StillwaterMar 10 – Apr 1July 15 – Sept 1
TahlequahMar 1 – 20July 15 – Sept 1
TulsaMar 1 – 20July 15 – Sept 1
Warr AcresMar 1 – 20July 15 – Sept 1
WeatherfordMar 1 – 20July 15 – Sept 1
WoodwardMar 10 – Apr 1July 15 – Sept 1
YukonMar 1 – 20July 15 – Sept 1

Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. “—” means the place's frost date is outside the table. The full USDA table for kale.