When to plant Onions in Mississippi

In spring, from Jan 1 – 15 in Bay St. Louis to Feb 15 – Mar 15 in Oxford.

In fall, from Sept 1 – Oct 15 in Brandon to Oct 1 – Dec 31 in Vicksburg.

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.

Onion plants planting dates by place in Mississippi
PlaceSpringFall
Bay St. LouisJan 1 – 15Oct 1 – Dec 31Now
BiloxiJan 1 – 15Oct 1 – Dec 31Now
BrandonJan 15 – Feb 15Sept 1 – Oct 15
BrookhavenFeb 10 – Mar 10Sept 1 – Oct 15
ByramJan 15 – Feb 15Oct 1 – Dec 31Now
CantonFeb 10 – Mar 10Sept 1 – Oct 15
ClarksdaleFeb 10 – Mar 10Sept 1 – Oct 15
ClevelandJan 15 – Feb 15Sept 1 – Oct 15
ClintonJan 15 – Feb 15Oct 1 – Dec 31Now
ColumbusJan 15 – Feb 15Sept 1 – Oct 15
CorinthFeb 15 – Mar 15Not listed
D'IbervilleJan 1 – 15Oct 1 – Dec 31Now
FlowoodJan 15 – Feb 15Sept 1 – Oct 15
GautierJan 1 – Feb 1Oct 1 – Dec 31Now
GreenvilleJan 15 – Feb 15Sept 1 – Oct 15
GreenwoodFeb 10 – Mar 10Sept 1 – Oct 15
GrenadaFeb 15 – Mar 15Not listed
GulfportJan 1 – 15Oct 1 – Dec 31Now
HattiesburgJan 15 – Feb 15Oct 1 – Dec 31Now
HernandoFeb 15 – Mar 15Sept 1 – Oct 15
Horn LakeFeb 10 – Mar 10Oct 1 – Dec 31Now
JacksonJan 15 – Feb 15Oct 1 – Dec 31Now
LaurelJan 15 – Feb 15Sept 1 – Oct 15
Long BeachJan 1 – 15Oct 1 – Dec 31Now
MadisonJan 15 – Feb 15Oct 1 – Dec 31Now
McCombJan 15 – Feb 15Oct 1 – Dec 31Now
MeridianFeb 10 – Mar 10Sept 1 – Oct 15
Moss PointJan 1 – Feb 1Oct 1 – Dec 31Now
NatchezFeb 10 – Mar 10Sept 1 – Oct 15
Ocean SpringsJan 1 – 15Oct 1 – Dec 31Now
Olive BranchFeb 15 – Mar 15Sept 1 – Oct 15
OxfordFeb 15 – Mar 15Not listed
PascagoulaJan 15 – Feb 15Oct 1 – Dec 31Now
PearlJan 15 – Feb 15Sept 1 – Oct 15
PetalJan 15 – Feb 15Sept 1 – Oct 15
PicayuneJan 15 – Feb 15Oct 1 – Dec 31Now
RidgelandJan 15 – Feb 15Oct 1 – Dec 31Now
SouthavenFeb 10 – Mar 10Oct 1 – Dec 31Now
StarkvilleFeb 10 – Mar 10Sept 1 – Oct 15
TupeloFeb 10 – Mar 10Sept 1 – Oct 15
VicksburgJan 1 – Feb 1Oct 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 onion plants.