When to plant Sweet corn in California

In spring, from Feb 1 – Mar 15 in Agoura Hills to May 15 – June 1 in Susanville.

In fall, June 1 – Aug 15.

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

Sweet corn planting dates by place in California
PlaceSpringFall
AdelantoMar 15 – May 1June 1 – Aug 15
Agoura HillsFeb 1 – Mar 15Not listed
Alameda—Not listed
Albany—Not listed
Alhambra—Not listed
Aliso Viejo—Not listed
American CanyonMar 1 – Apr 15June 1 – Sept 1
Anaheim—Not listed
AndersonMar 1 – Apr 15June 1 – Sept 1
Antioch—Not listed
Apple ValleyMar 15 – May 1June 1 – Aug 15
Arcadia—Not listed
ArcataFeb 20 – Apr 15Not listed
Arroyo GrandeFeb 1 – Mar 15Not listed
Artesia—Not listed
ArvinFeb 1 – Mar 15Not listed
AtascaderoMar 10 – Apr 15June 1 – Aug 15
AtwaterMar 1 – Apr 15June 1 – Sept 1
AuburnMar 1 – Apr 15Not listed
AvenalFeb 20 – Apr 15Not listed
Azusa—Not listed
BakersfieldFeb 1 – Mar 15Not listed
Baldwin Park—Not listed
BanningFeb 1 – Mar 15Not listed
BarstowFeb 20 – Apr 15June 1 – Sept 1
BeaumontFeb 1 – Mar 15Not listed
Bell——
Bell Gardens——
Bellflower——
BelmontFeb 1 – Mar 15Not listed
BeniciaFeb 1 – Mar 15Not listed
Berkeley—Not listed
Beverly Hills——
BlytheFeb 1 – Mar 15Not listed
BrawleyFeb 1 – Mar 15Not listed
Brea—Not listed
Brentwood—Not listed
Buena Park——
Burbank—Not listed
Burlingame—Not listed
CalabasasFeb 1 – Mar 15Not listed
Calexico—Not listed
California CityMar 10 – Apr 15June 1 – Sept 1
CalimesaFeb 1 – Mar 15Not listed
Camarillo—Not listed
CampbellFeb 1 – Mar 15Not listed
Canyon LakeFeb 1 – Mar 15Not listed
CarlsbadFeb 1 – Mar 15Not listed
Carpinteria——
Carson——
Cathedral City——
CeresFeb 1 – Mar 15Not listed
Cerritos—Not listed
ChicoMar 1 – Apr 15June 1 – Sept 1
ChinoFeb 1 – Mar 15Not listed
Chino HillsFeb 1 – Mar 15Not listed
ChowchillaFeb 10 – Apr 1Not listed
Chula Vista—Not listed
Citrus Heights—Not listed
Claremont—Not listed
ClaytonMar 10 – Apr 15Not listed
ClearlakeApr 10 – June 1June 1 – Aug 15
Clovis—Not listed
Coachella—Not listed
CoalingaFeb 20 – Apr 15Not listed
Colton—Not listed
Commerce——
Compton——
Concord—Not listed
CorcoranFeb 20 – Apr 15Not listed
CoronaFeb 1 – Mar 15Not listed
Coronado——
Corte MaderaFeb 1 – Mar 15Not listed
Costa Mesa——
Covina—Not listed
Cudahy——
Culver City——
Cupertino—Not listed
Cypress——
Daly City—Not listed
Dana Point—Not listed
DanvilleMar 10 – Apr 15Not listed
DavisFeb 10 – Apr 1Not listed
DelanoFeb 1 – Mar 15Not listed
Desert Hot SpringsMar 1 – Apr 15Not listed
Diamond Bar—Not listed
DinubaFeb 1 – Mar 15Not listed
DixonFeb 10 – Apr 1Not listed
Downey——
DuarteMay 10 – June 15June 1 – Aug 15
DublinFeb 20 – Apr 15Not listed
East Palo AltoFeb 1 – Mar 15Not listed
EastvaleFeb 1 – Mar 15Not listed
El Cajon—Not listed
El Centro—Not listed
El Cerrito—Not listed
El Monte—Not listed
El Paso de Robles (Paso Robles)Mar 10 – Apr 15June 1 – Aug 15
El Segundo——
Elk GroveFeb 1 – Mar 15Not listed
Emeryville—Not listed
Encinitas—Not listed
Escondido—Not listed
EurekaFeb 20 – Apr 15Not listed
ExeterFeb 20 – Apr 15Not listed
FairfieldFeb 1 – Mar 15Not listed
FarmersvilleFeb 1 – Mar 15Not listed
Fillmore—Not listed
Folsom—Not listed
Fontana—Not listed
FortunaFeb 1 – Mar 15Not listed
Foster CityFeb 1 – Mar 15Not listed
Fountain Valley——
Fremont—Not listed
Fresno—Not listed
Fullerton——
GaltFeb 10 – Apr 1Not listed
Garden Grove——
Gardena——
GilroyMar 1 – Apr 15Not listed
Glendale—Not listed
Glendora—Not listed
Goleta—Not listed
Grand Terrace—Not listed
Grass ValleyApr 10 – June 1June 1 – Aug 15
GreenfieldFeb 20 – Apr 15June 1 – Sept 1
Grover BeachFeb 1 – Mar 15Not listed
Half Moon BayFeb 10 – Apr 1Not listed
HanfordFeb 10 – Apr 1Not listed
Hawaiian Gardens——
Hawthorne——
Hayward—Not listed
HealdsburgFeb 20 – Apr 15Not listed
HemetFeb 1 – Mar 15Not listed
HerculesFeb 1 – Mar 15Not listed
Hermosa Beach——
HesperiaMar 1 – Apr 15Not listed
HighlandFeb 1 – Mar 15Not listed
Hillsborough—Not listed
HollisterFeb 20 – Apr 15Not listed
Huntington Beach——
Huntington Park——
Imperial—Not listed
Imperial Beach—Not listed
Indio—Not listed
Inglewood——
Irvine—Not listed
Jurupa Valley—Not listed
KermanFeb 20 – Apr 15Not listed
King CityFeb 20 – Apr 15June 1 – Sept 1
KingsburgFeb 20 – Apr 15June 1 – Sept 1
La Cañada Flintridge——
La Habra—Not listed
La Mesa—Not listed
La Mirada—Not listed
La Palma——
La Puente—Not listed
La Quinta—Not listed
La Verne—Not listed
Lafayette—Not listed
Laguna Beach—Not listed
Laguna Hills—Not listed
Laguna Niguel—Not listed
Laguna Woods—Not listed
Lake ElsinoreFeb 1 – Mar 15Not listed
Lake Forest—Not listed
Lakewood——
LancasterMar 25 – May 15June 1 – Aug 1
LarkspurFeb 1 – Mar 15Not listed
LathropFeb 10 – Apr 1Not listed
Lawndale——
Lemon Grove—Not listed
LemooreMar 1 – Apr 15June 1 – Sept 1
LincolnMar 1 – Apr 15Not listed
LindsayFeb 20 – Apr 15Not listed
LivermoreFeb 20 – Apr 15Not listed
Livingston—Not listed
LodiFeb 10 – Apr 1Not listed
Loma LindaFeb 1 – Mar 15Not listed
Lomita——
LompocFeb 1 – Mar 15Not listed
Long Beach——
Los Alamitos——
Los Altos—Not listed
Los Angeles——
Los BanosFeb 1 – Mar 15Not listed
Los GatosFeb 1 – Mar 15Not listed
Lynwood——
MaderaFeb 10 – Apr 1Not listed
Malibu——
Manhattan Beach——
MantecaFeb 10 – Apr 1Not listed
MarinaFeb 10 – Apr 1Not listed
MartinezMar 1 – Apr 15June 1 – Sept 1
MarysvilleFeb 1 – Mar 15Not listed
Maywood——
McFarlandFeb 1 – Mar 15Not listed
MendotaFeb 10 – Apr 1Not listed
MenifeeFeb 1 – Mar 15Not listed
Menlo ParkFeb 1 – Mar 15Not listed
MercedMar 1 – Apr 15June 1 – Sept 1
Mill ValleyFeb 1 – Mar 15Not listed
Millbrae—Not listed
Milpitas—Not listed
Mission Viejo—Not listed
ModestoFeb 1 – Mar 15Not listed
MonroviaMay 10 – June 15June 1 – Aug 15
Montclair—Not listed
Montebello—Not listed
Monterey—Not listed
Monterey Park—Not listed
Moorpark—Not listed
Moraga—Not listed
Moreno ValleyFeb 1 – Mar 15Not listed
Morgan HillMar 1 – Apr 15Not listed
Morro BayFeb 1 – Mar 15—
Mountain View—Not listed
MurrietaFeb 1 – Mar 15—
NapaFeb 10 – Apr 1Not listed
National City——
Newark—Not listed
NewmanMar 1 – Apr 15Not listed
Newport Beach——
NorcoFeb 1 – Mar 15Not listed
Norwalk—Not listed
Novato—Not listed
OakdaleFeb 1 – Mar 15Not listed
Oakland—Not listed
Oakley—Not listed
OceansideFeb 1 – Mar 15Not listed
Ontario—Not listed
Orange——
Orinda—Not listed
OrovilleFeb 1 – Mar 15Not listed
Oxnard—Not listed
Pacific Grove—Not listed
Pacifica——
Palm Desert—Not listed
Palm Springs—Not listed
PalmdaleMar 10 – Apr 15June 1 – Sept 1
Palo AltoFeb 1 – Mar 15Not listed
Palos Verdes Estates——
Paramount——
ParlierFeb 1 – Mar 15Not listed
Pasadena——
PattersonFeb 1 – Mar 15Not listed
PerrisFeb 1 – Mar 15Not listed
PetalumaMar 1 – Apr 15June 1 – Sept 1
Pico Rivera—Not listed
Piedmont—Not listed
Pinole—Not listed
Pittsburg—Not listed
Placentia—Not listed
PlacervilleMar 25 – May 15June 1 – Sept 1
Pleasant Hill—Not listed
PleasantonFeb 20 – Apr 15Not listed
Pomona—Not listed
Port Hueneme—Not listed
PortervilleFeb 1 – Mar 15Not listed
Poway—Not listed
Rancho Cordova—Not listed
Rancho Cucamonga—Not listed
Rancho Mirage——
Rancho Palos Verdes——
Rancho Santa Margarita—Not listed
Red BluffFeb 20 – Apr 15Not listed
ReddingMar 1 – Apr 15June 1 – Sept 1
RedlandsFeb 1 – Mar 15Not listed
Redondo Beach——
Redwood CityFeb 1 – Mar 15Not listed
ReedleyFeb 1 – Mar 15Not listed
Rialto—Not listed
Richmond—Not listed
RidgecrestMar 10 – Apr 15June 1 – Aug 15
Rio Vista—Not listed
RiponFeb 10 – Apr 1Not listed
RiverbankFeb 1 – Mar 15Not listed
Riverside—Not listed
RocklinMar 1 – Apr 15Not listed
Rohnert ParkMar 1 – Apr 15Not listed
Rosemead—Not listed
RosevilleFeb 20 – Apr 15June 1 – Sept 1
Sacramento—Not listed
SalinasFeb 1 – Mar 15Not listed
San Anselmo—Not listed
San BernardinoFeb 1 – Mar 15Not listed
San Bruno——
San Buenaventura (Ventura)—Not listed
San CarlosFeb 1 – Mar 15Not listed
San Clemente—Not listed
San Diego——
San Dimas—Not listed
San Fernando—Not listed
San Francisco—Not listed
San Gabriel—Not listed
San JacintoFeb 1 – Mar 15Not listed
San Jose—Not listed
San Juan Capistrano—Not listed
San Leandro—Not listed
San Luis ObispoFeb 1 – Mar 15Not listed
San Marcos—Not listed
San Marino——
San Mateo—Not listed
San Pablo—Not listed
San Rafael—Not listed
San RamonMar 10 – Apr 15Not listed
SangerFeb 1 – Mar 15Not listed
Santa Ana——
Santa Barbara——
Santa Clara—Not listed
Santa Clarita—Not listed
Santa CruzFeb 1 – Mar 15Not listed
Santa Fe Springs—Not listed
Santa MariaFeb 10 – Apr 1Not listed
Santa Monica——
Santa Paula—Not listed
Santa RosaMar 1 – Apr 15Not listed
Santee—Not listed
SaratogaFeb 1 – Mar 15Not listed
Scotts ValleyMar 15 – May 1June 1 – Aug 15
Seal Beach——
Seaside—Not listed
SelmaFeb 1 – Mar 15Not listed
ShafterFeb 20 – Apr 15June 1 – Sept 1
Shasta LakeFeb 10 – Apr 1Not listed
Sierra MadreMay 10 – June 15June 1 – Aug 15
Signal Hill——
Simi ValleyFeb 1 – Mar 15Not listed
Solana Beach—Not listed
SoledadApr 25 – June 15June 1 – Aug 1
SonomaMar 1 – Apr 15Not listed
South El Monte—Not listed
South Gate——
South Lake TahoeNot listedJune 1 – July 1
South Pasadena——
South San Francisco—Not listed
Stanton——
StocktonFeb 10 – Apr 1Not listed
Suisun CityFeb 1 – Mar 15Not listed
Sunnyvale—Not listed
SusanvilleMay 15 – June 1June 1 – July 10
TehachapiMay 10 – June 15June 1 – Aug 1
TemeculaFeb 1 – Mar 15—
Temple City—Not listed
Thousand Oaks—Not listed
Torrance——
TracyMar 1 – Apr 15Not listed
TruckeeNot listedJune 1 – July 1
TulareFeb 1 – Mar 15Not listed
Turlock—Not listed
Tustin—Not listed
Twentynine PalmsFeb 1 – Mar 15Not listed
UkiahMar 15 – May 1June 1 – Sept 1
Union City—Not listed
Upland—Not listed
VacavilleFeb 20 – Apr 15Not listed
VallejoFeb 1 – Mar 15Not listed
VictorvilleMar 15 – May 1June 1 – Aug 15
VisaliaFeb 1 – Mar 15Not listed
VistaFeb 1 – Mar 15—
Walnut—Not listed
Walnut Creek—Not listed
WascoFeb 1 – Mar 15Not listed
WatsonvilleFeb 1 – Mar 15Not listed
West Covina—Not listed
West Hollywood——
West SacramentoFeb 1 – Mar 15Not listed
Westminster——
Whittier—Not listed
WildomarFeb 1 – Mar 15Not listed
WindsorMar 1 – Apr 15June 1 – Sept 1
WoodlandFeb 10 – Apr 1Not listed
Yorba LindaFeb 1 – Mar 15Not listed
Yuba CityFeb 1 – Mar 15Not listed
YucaipaFeb 1 – Mar 15Not listed
Yucca ValleyMar 10 – Apr 15Not 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 sweet corn.