When to plant Peppers in Oklahoma

In spring, from Apr 1 – June 1 in Ardmore to May 10 – June 1 in Guymon.

In fall, June 1 – July 20.

Dates are for setting out plants. USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.

Peppers planting dates by place in Oklahoma
PlaceSpringFall
AdaApr 15 – June 1June 1 – July 20
AltusMay 1 – June 1June 1 – July 20
ArdmoreApr 1 – June 1June 1 – Aug 1
BartlesvilleMay 1 – June 1June 1 – July 10
BethanyApr 15 – June 1June 1 – July 20
BixbyApr 15 – June 1June 1 – July 20
Broken ArrowApr 15 – June 1June 1 – July 20
ChickashaApr 15 – June 1June 1 – July 20
ChoctawApr 15 – June 1June 1 – Aug 1
ClaremoreMay 1 – June 1June 1 – July 20
CowetaApr 15 – June 1June 1 – July 20
Del CityApr 15 – June 1June 1 – Aug 1
DuncanApr 10 – June 1June 1 – Aug 1
DurantApr 15 – June 1June 1 – Aug 1
EdmondMay 1 – June 1June 1 – July 20
El RenoMay 1 – June 1June 1 – July 20
Elk CityMay 1 – June 1June 1 – July 20
EnidMay 1 – June 1June 1 – July 20
GlenpoolApr 15 – June 1June 1 – July 20
GuthrieApr 15 – June 1June 1 – July 20
GuymonMay 10 – June 1June 1 – July 10
JenksApr 15 – June 1June 1 – July 20
LawtonApr 15 – June 1June 1 – Aug 1
McAlesterApr 15 – June 1June 1 – July 20
MiamiMay 1 – June 1June 1 – July 20
Midwest CityApr 15 – June 1June 1 – Aug 1
MooreApr 15 – June 1June 1 – Aug 1
MuskogeeMay 1 – June 1June 1 – July 20
MustangApr 15 – June 1June 1 – July 20
NewcastleApr 15 – June 1June 1 – Aug 1
NormanApr 15 – June 1June 1 – July 20
Oklahoma CityApr 15 – June 1June 1 – July 20
OkmulgeeMay 1 – June 1June 1 – July 20
OwassoApr 15 – June 1June 1 – July 20
Ponca CityMay 1 – June 1June 1 – July 20
Sand SpringsApr 15 – June 1June 1 – July 20
SapulpaApr 15 – June 1June 1 – July 20
ShawneeApr 15 – June 1June 1 – Aug 1
StillwaterMay 1 – June 1June 1 – July 20
TahlequahApr 15 – June 1June 1 – July 20
TulsaApr 15 – June 1June 1 – July 20
Warr AcresApr 15 – June 1June 1 – July 20
WeatherfordApr 15 – June 1June 1 – July 20
WoodwardMay 1 – June 1June 1 – July 20
YukonApr 15 – June 1June 1 – July 20

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 peppers.