When to plant Onion sets in Louisiana

In spring, from Jan 1 – 15 in Abbeville to Feb 1 – Mar 20 in Minden.

In fall, from Oct 1 – Dec 1 in Minden to Nov 1 – Dec 31 in Zachary.

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

Onion sets planting dates by place in Louisiana
PlaceSpringFall
AbbevilleJan 1 – 15Nov 1 – Dec 31Soon
AlexandriaJan 1 – Mar 1Nov 1 – Dec 31Soon
BakerJan 1 – Mar 1Nov 1 – Dec 31Soon
Baton RougeJan 1 – Mar 1Nov 1 – Dec 31Soon
BogalusaJan 1 – Mar 1Nov 1 – Dec 31Soon
Bossier CityJan 1 – Mar 1Nov 1 – Dec 31Soon
BroussardJan 1 – 15Nov 1 – Dec 31Soon
CarencroJan 1 – Mar 1Nov 1 – Dec 31Soon
CentralJan 1 – Mar 1Nov 1 – Dec 31Soon
CovingtonJan 15 – Mar 10Nov 1 – Dec 31Soon
CrowleyJan 1 – 15Nov 1 – Dec 31Soon
GonzalesJan 1 – 15Nov 1 – Dec 31Soon
GretnaJan 1 – 15Nov 1 – Dec 31Soon
HammondJan 15 – Mar 10Nov 1 – Dec 31Soon
HoumaJan 1 – 15Nov 1 – Dec 31Soon
KennerJan 1 – 15Nov 1 – Dec 31Soon
LafayetteJan 1 – Mar 1Nov 1 – Dec 31Soon
Lake CharlesJan 1 – 15Nov 1 – Dec 31Soon
MandevilleJan 15 – Mar 10Nov 1 – Dec 31Soon
MindenFeb 1 – Mar 20Oct 1 – Dec 1Now
MonroeJan 15 – Mar 10Oct 1 – Dec 1Now
Morgan CityJan 1 – 15Nov 1 – Dec 31Soon
NatchitochesJan 1 – Mar 1Nov 1 – Dec 31Soon
New IberiaJan 1 – 15Nov 1 – Dec 31Soon
New OrleansJan 1 – 15—
OpelousasJan 1 – Mar 1Nov 1 – Dec 31Soon
PinevilleJan 1 – Mar 1Nov 1 – Dec 31Soon
RustonJan 15 – Mar 10Nov 1 – Dec 31Soon
ShreveportJan 15 – Mar 10Nov 1 – Dec 31Soon
SlidellJan 1 – Mar 1Nov 1 – Dec 31Soon
SulphurJan 1 – 15Nov 1 – Dec 31Soon
ThibodauxJan 1 – 15Nov 1 – Dec 31Soon
West MonroeJan 15 – Mar 10Oct 1 – Dec 1Now
YoungsvilleJan 1 – 15Nov 1 – Dec 31Soon
ZacharyJan 1 – Mar 1Nov 1 – Dec 31Soon

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 onion sets.