When to plant Onion sets in Florida

In spring, from Jan 1 – Mar 1 in Alachua to Feb 1 – Mar 20 in Crestview.

In fall, from Oct 1 – Dec 1 in Crestview to Nov 1 – Dec 31 in Wildwood.

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 Florida
PlaceSpringFall
AlachuaJan 1 – Mar 1Nov 1 – Dec 31Soon
Altamonte SpringsJan 1 – 15—
ApopkaJan 1 – Mar 1Nov 1 – Dec 31Soon
Atlantic BeachJan 1 – 15—
AuburndaleJan 1 – 15—
Aventura——
Avon ParkJan 1 – 15—
BartowJan 1 – 15—
Belle GladeJan 1 – 15—
Boca RatonJan 1 – 15—
Bonita SpringsJan 1 – 15—
Boynton BeachJan 1 – 15—
BradentonJan 1 – 15—
CallawayJan 1 – 15Nov 1 – Dec 31Soon
Cape CanaveralJan 1 – 15—
Cape CoralJan 1 – 15—
CasselberryJan 1 – 15—
ClearwaterJan 1 – 15—
ClermontJan 1 – 15—
CocoaJan 1 – 15—
Cocoa BeachJan 1 – 15—
Coconut Creek——
Cooper City——
Coral Gables——
Coral Springs——
CrestviewFeb 1 – Mar 20Oct 1 – Dec 1Now
Cutler BayJan 1 – 15—
Dania Beach——
DavenportJan 1 – 15—
Davie——
Daytona BeachJan 1 – 15—
DeBaryJan 1 – 15—
Deerfield Beach——
DeLandJan 1 – 15Nov 1 – Dec 31Soon
Delray BeachJan 1 – 15—
DeltonaJan 1 – 15—
DestinJan 1 – 15Nov 1 – Dec 31Soon
Doral——
DunedinJan 1 – 15—
EdgewaterJan 1 – 15—
EsteroJan 1 – 15—
EustisJan 1 – 15Nov 1 – Dec 31Soon
Fernandina BeachJan 1 – 15Nov 1 – Dec 31Soon
Florida CityJan 1 – 15—
Fort Lauderdale——
Fort MyersJan 1 – 15—
Fort PierceJan 1 – 15—
Fort Walton BeachJan 1 – 15Nov 1 – Dec 31Soon
GainesvilleJan 1 – Mar 1Nov 1 – Dec 31Soon
Green Cove SpringsJan 1 – 15—
GreenacresJan 1 – 15—
GrovelandJan 1 – 15—
GulfportJan 1 – 15—
Haines CityJan 1 – 15—
Hallandale Beach——
Hialeah——
Hialeah Gardens——
Holly HillJan 1 – 15—
Hollywood——
HomesteadJan 1 – 15—
JacksonvilleJan 1 – 15—
Jacksonville BeachJan 1 – 15—
JupiterJan 1 – 15—
Key Biscayne——
Key West——
KissimmeeJan 1 – 15—
Lady LakeJan 1 – 15Nov 1 – Dec 31Soon
Lake CityJan 1 – Mar 1Nov 1 – Dec 31Soon
Lake MaryJan 1 – 15—
Lake WalesJan 1 – 15Nov 1 – Dec 31Soon
Lake Worth BeachJan 1 – 15—
LakelandJan 1 – 15—
LantanaJan 1 – 15—
LargoJan 1 – 15—
Lauderdale Lakes——
Lauderhill——
LeesburgJan 1 – 15—
Lighthouse Point——
LongwoodJan 1 – 15—
Lynn HavenJan 1 – 15Nov 1 – Dec 31Soon
MaitlandJan 1 – 15—
Marathon——
Marco IslandJan 1 – 15—
Margate——
MelbourneJan 1 – 15—
Miami——
Miami Beach——
Miami Gardens——
Miami Lakes——
Miami Shores——
Miami Springs——
MiltonJan 1 – Mar 1Nov 1 – Dec 31Soon
MinneolaJan 1 – 15—
Miramar——
Mount DoraJan 1 – Mar 1Nov 1 – Dec 31Soon
NaplesJan 1 – 15—
New Port RicheyJan 1 – 15—
New Smyrna BeachJan 1 – 15—
NicevilleJan 15 – Mar 10Nov 1 – Dec 31Soon
North Lauderdale——
North Miami——
North Miami Beach——
North Palm BeachJan 1 – 15—
North PortJan 1 – 15—
Oakland Park——
OcalaJan 1 – Mar 1Nov 1 – Dec 31Soon
OcoeeJan 1 – 15—
OldsmarJan 1 – 15—
Opa-locka——
Orange CityJan 1 – 15Nov 1 – Dec 31Soon
OrlandoJan 1 – 15—
Ormond BeachJan 1 – 15—
OviedoJan 1 – 15—
PalatkaJan 1 – 15Nov 1 – Dec 31Soon
Palm BayJan 1 – 15—
Palm Beach GardensJan 1 – 15—
Palm CoastJan 1 – 15—
Palm SpringsJan 1 – 15—
PalmettoJan 1 – 15—
Palmetto Bay——
Panama CityJan 1 – 15Nov 1 – Dec 31Soon
Panama City BeachJan 1 – Mar 1Nov 1 – Dec 31Soon
ParklandJan 1 – 15—
Pembroke Pines——
PensacolaJan 1 – 15Nov 1 – Dec 31Soon
Pinecrest——
Pinellas ParkJan 1 – 15—
Plant CityJan 1 – 15—
Plantation——
Pompano Beach——
Port OrangeJan 1 – 15—
Port St. LucieJan 1 – 15—
Punta GordaJan 1 – 15—
Riviera BeachJan 1 – 15—
RockledgeJan 1 – 15—
Royal Palm BeachJan 1 – 15—
Safety HarborJan 1 – 15—
SanfordJan 1 – 15—
SarasotaJan 1 – 15—
Satellite BeachJan 1 – 15—
SebastianJan 1 – 15—
SebringJan 1 – 15—
SeminoleJan 1 – 15—
South DaytonaJan 1 – 15—
South Miami——
St. AugustineJan 1 – 15—
St. CloudJan 1 – 15—
St. PetersburgJan 1 – 15—
StuartJan 1 – 15—
Sunny Isles Beach——
Sunrise——
Sweetwater——
TallahasseeJan 15 – Mar 10Nov 1 – Dec 31Soon
Tamarac——
TampaJan 1 – 15—
Tarpon SpringsJan 1 – 15—
TavaresJan 1 – 15—
Temple TerraceJan 1 – 15—
TitusvilleJan 1 – 15—
VeniceJan 1 – 15—
Vero BeachJan 1 – 15—
WellingtonJan 1 – 15—
West MelbourneJan 1 – 15—
West Palm BeachJan 1 – 15—
West Park——
Weston——
WildwoodJan 1 – Mar 1Nov 1 – Dec 31Soon
Wilton Manors——
Winter GardenJan 1 – 15—
Winter HavenJan 1 – 15—
Winter ParkJan 1 – 15—
Winter SpringsJan 1 – 15—
ZephyrhillsJan 1 – 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 sets.