When to plant Radishes in Louisiana

In spring, from Jan 1 – Apr 1 in Abbeville to Jan 20 – May 1 in Minden.

In fall, from Aug 1 – Sept 15 in Lake Charles to Oct 1 – Dec 31 in Morgan City.

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

Radishes planting dates by place in Louisiana
PlaceSpringFall
AbbevilleJan 1 – Apr 1Sept 1 – Dec 31Now
AlexandriaJan 1 – Apr 1Sept 1 – Dec 31Now
BakerJan 1 – Apr 1Sept 1 – Dec 31Now
Baton RougeJan 1 – Apr 1Sept 1 – Dec 31Now
BogalusaJan 1 – Apr 1Sept 1 – Dec 1Now
Bossier CityJan 1 – Apr 1Sept 1 – Dec 1Now
BroussardJan 1 – Apr 1Sept 1 – Dec 31Now
CarencroJan 1 – Apr 1Sept 1 – Dec 31Now
CentralJan 1 – Apr 1Sept 1 – Dec 31Now
CovingtonJan 1 – Apr 15Sept 1 – Dec 1Now
CrowleyJan 1 – Apr 1Sept 1 – Dec 31Now
GonzalesJan 1 – Apr 1Sept 1 – Dec 31Now
GretnaJan 1 – Apr 1Oct 1 – Dec 31Now
HammondJan 1 – Apr 15Sept 1 – Dec 1Now
HoumaJan 1 – Apr 1Oct 1 – Dec 31Now
KennerJan 1 – Apr 1Oct 1 – Dec 31Now
LafayetteJan 1 – Apr 1Sept 1 – Dec 31Now
Lake CharlesJan 1 – Apr 1Aug 1 – Sept 15
MandevilleJan 1 – Apr 15Sept 1 – Dec 1Now
MindenJan 20 – May 1Sept 1 – Nov 15Now
MonroeJan 1 – Apr 15Sept 1 – Nov 15Now
Morgan CityJan 1 – Apr 1Oct 1 – Dec 31Now
NatchitochesJan 1 – Apr 1Sept 1 – Dec 31Now
New IberiaJan 1 – Apr 1Aug 1 – Sept 15
New OrleansJan 1 – Apr 1—
OpelousasJan 1 – Apr 1Sept 1 – Dec 1Now
PinevilleJan 1 – Apr 1Sept 1 – Dec 31Now
RustonJan 1 – Apr 15Sept 1 – Dec 1Now
ShreveportJan 1 – Apr 15Sept 1 – Dec 1Now
SlidellJan 1 – Apr 1Sept 1 – Dec 31Now
SulphurJan 1 – Apr 1Aug 1 – Sept 15
ThibodauxJan 1 – Apr 1Aug 1 – Sept 15
West MonroeJan 1 – Apr 15Sept 1 – Nov 15Now
YoungsvilleJan 1 – Apr 1Sept 1 – Dec 31Now
ZacharyJan 1 – Apr 1Sept 1 – Dec 31Now

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 radishes.