When to plant Onions in Tennessee

In spring, from Feb 10 – Mar 10 in Chattanooga to Mar 15 – Apr 10 in Johnson City.

In fall, from Sept 1 – Oct 15 in Arlington to Oct 1 – Dec 31 in Memphis.

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 Tennessee
PlaceSpringFall
AlcoaFeb 15 – Mar 15Not listed
ArlingtonFeb 15 – Mar 15Sept 1 – Oct 15
AthensMar 1 – Apr 1Not listed
AtokaFeb 15 – Mar 15Not listed
BartlettFeb 15 – Mar 15Sept 1 – Oct 15
BrentwoodMar 1 – Apr 1Not listed
BristolMar 15 – Apr 10Spring-planted
ChattanoogaFeb 10 – Mar 10Sept 1 – Oct 15
ClarksvilleFeb 15 – Mar 15Not listed
ClevelandMar 1 – Apr 1Not listed
ClintonFeb 15 – Mar 15Not listed
CollegedaleFeb 10 – Mar 10Sept 1 – Oct 15
ColliervilleFeb 15 – Mar 15Not listed
ColumbiaMar 1 – Apr 1Not listed
CookevilleMar 1 – Apr 1Spring-planted
CrossvilleMar 15 – Apr 10Spring-planted
DicksonMar 1 – Apr 1Spring-planted
DyersburgFeb 15 – Mar 15Not listed
East RidgeFeb 10 – Mar 10Sept 1 – Oct 15
ElizabethtonMar 15 – Apr 10Spring-planted
FairviewMar 1 – Apr 1Not listed
FarragutMar 1 – Apr 1Not listed
FranklinFeb 15 – Mar 15Not listed
GallatinMar 15 – Apr 10Spring-planted
GermantownFeb 10 – Mar 10Sept 1 – Oct 15
GoodlettsvilleMar 1 – Apr 1Not listed
GreenevilleMar 15 – Apr 10Spring-planted
Hartsville/Trousdale CountyMar 1 – Apr 1Not listed
HendersonvilleMar 1 – Apr 1Not listed
JacksonFeb 15 – Mar 15Not listed
Johnson CityMar 15 – Apr 10Spring-planted
KingsportMar 1 – Apr 1Not listed
KnoxvilleMar 1 – Apr 1Not listed
La VergneMar 1 – Apr 1Spring-planted
LakelandFeb 15 – Mar 15Sept 1 – Oct 15
LawrenceburgMar 1 – Apr 1Not listed
LebanonMar 1 – Apr 1Not listed
Lenoir CityMar 1 – Apr 1Not listed
LewisburgMar 1 – Apr 1Spring-planted
ManchesterMar 1 – Apr 1Spring-planted
MartinFeb 15 – Mar 15Not listed
MaryvilleFeb 15 – Mar 15Not listed
McMinnvilleMar 1 – Apr 1Not listed
MemphisFeb 10 – Mar 10Oct 1 – Dec 31Now
MillingtonFeb 15 – Mar 15Sept 1 – Oct 15
MorristownMar 1 – Apr 1Not listed
Mount JulietFeb 15 – Mar 15Not listed
MurfreesboroMar 1 – Apr 1Not listed
NashvilleFeb 15 – Mar 15Not listed
NolensvilleMar 1 – Apr 1Not listed
Oak RidgeMar 1 – Apr 1Not listed
OaklandFeb 15 – Mar 15Not listed
ParisMar 1 – Apr 1Not listed
PortlandMar 1 – Apr 1Not listed
Red BankFeb 15 – Mar 15Sept 1 – Oct 15
SeviervilleMar 1 – Apr 1Not listed
ShelbyvilleMar 1 – Apr 1Not listed
SmyrnaMar 1 – Apr 1Spring-planted
Soddy-DaisyMar 1 – Apr 1Not listed
Spring HillFeb 15 – Mar 15Not listed
SpringfieldMar 1 – Apr 1Not listed
TullahomaMar 1 – Apr 1Not listed
Union CityFeb 15 – Mar 15Not listed
White HouseMar 1 – Apr 1Not listed
WinchesterMar 1 – Apr 1Not listed

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.