When to plant Onions in Alabama

In spring, from Jan 1 – Feb 1 in Dothan to Mar 1 – Apr 1 in Talladega.

In fall, from Sept 1 – Oct 15 in Alexander City to Oct 1 – Dec 31 in Troy.

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 Alabama
PlaceSpringFall
AlabasterJan 15 – Feb 15Oct 1 – Dec 31Now
AlbertvilleFeb 10 – Mar 10Oct 1 – Dec 31Now
Alexander CityFeb 15 – Mar 15Sept 1 – Oct 15
AnnistonFeb 10 – Mar 10Sept 1 – Oct 15
AthensFeb 10 – Mar 10Sept 1 – Oct 15
AuburnJan 15 – Feb 15Oct 1 – Dec 31Now
BessemerFeb 10 – Mar 10Sept 1 – Oct 15
BirminghamFeb 10 – Mar 10Sept 1 – Oct 15
BoazFeb 15 – Mar 15Not listed
CaleraJan 15 – Feb 15Oct 1 – Dec 31Now
Center PointFeb 15 – Mar 15Not listed
ChelseaFeb 10 – Mar 10Sept 1 – Oct 15
ClayFeb 15 – Mar 15Not listed
CullmanFeb 15 – Mar 15Not listed
DaphneJan 15 – Feb 15Oct 1 – Dec 31Now
DecaturFeb 15 – Mar 15Sept 1 – Oct 15
DothanJan 1 – Feb 1Oct 1 – Dec 31Now
EnterpriseJan 15 – Feb 15Oct 1 – Dec 31Now
EufaulaJan 15 – Feb 15Oct 1 – Dec 31Now
FairhopeJan 15 – Feb 15Oct 1 – Dec 31Now
FlorenceFeb 15 – Mar 15Not listed
FoleyJan 1 – Feb 1Oct 1 – Dec 31Now
Fort PayneFeb 15 – Mar 15Sept 1 – Oct 15
GadsdenFeb 10 – Mar 10Sept 1 – Oct 15
GardendaleFeb 15 – Mar 15Not listed
Gulf ShoresJan 1 – Feb 1Oct 1 – Dec 31Now
HartselleFeb 15 – Mar 15Sept 1 – Oct 15
HelenaFeb 10 – Mar 10Sept 1 – Oct 15
HomewoodFeb 10 – Mar 10Sept 1 – Oct 15
HooverFeb 10 – Mar 10Sept 1 – Oct 15
HueytownFeb 10 – Mar 10Sept 1 – Oct 15
HuntsvilleFeb 10 – Mar 10Sept 1 – Oct 15
IrondaleFeb 10 – Mar 10Sept 1 – Oct 15
JacksonvilleMar 1 – Apr 1Not listed
JasperFeb 15 – Mar 15Not listed
LeedsFeb 10 – Mar 10Sept 1 – Oct 15
MadisonFeb 10 – Mar 10Sept 1 – Oct 15
MillbrookJan 15 – Feb 15Sept 1 – Oct 15
MobileJan 1 – 15Oct 1 – Dec 31Now
MontgomeryJan 1 – Feb 1Oct 1 – Dec 31Now
MoodyFeb 15 – Mar 15Not listed
Mountain BrookFeb 10 – Mar 10Sept 1 – Oct 15
Muscle ShoalsFeb 15 – Mar 15Not listed
NorthportFeb 10 – Mar 10Sept 1 – Oct 15
OpelikaFeb 15 – Mar 15Sept 1 – Oct 15
OxfordFeb 10 – Mar 10Sept 1 – Oct 15
OzarkJan 1 – Feb 1Oct 1 – Dec 31Now
PelhamFeb 10 – Mar 10Sept 1 – Oct 15
Pell CityFeb 15 – Mar 15Not listed
Phenix CityJan 1 – Feb 1Oct 1 – Dec 31Now
Pike RoadJan 1 – Feb 1Oct 1 – Dec 31Now
PrattvilleJan 15 – Feb 15Sept 1 – Oct 15
PrichardJan 1 – Feb 1Oct 1 – Dec 31Now
Rainbow CityFeb 10 – Mar 10Sept 1 – Oct 15
RussellvilleFeb 15 – Mar 15Not listed
SaralandJan 1 – Feb 1Oct 1 – Dec 31Now
ScottsboroFeb 15 – Mar 15Not listed
SelmaJan 15 – Feb 15Oct 1 – Dec 31Now
Spanish FortJan 15 – Feb 15Oct 1 – Dec 31Now
SylacaugaFeb 15 – Mar 15Not listed
TalladegaMar 1 – Apr 1Not listed
TroyJan 15 – Feb 15Oct 1 – Dec 31Now
TrussvilleFeb 15 – Mar 15Not listed
TuscaloosaFeb 10 – Mar 10Sept 1 – Oct 15
ValleyFeb 15 – Mar 15Sept 1 – Oct 15
Vestavia HillsFeb 10 – Mar 10Sept 1 – Oct 15

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.