When to plant Swiss chard in California

In spring, from Jan 1 – Apr 1 in Agoura Hills to June 1 – 15 in Truckee.

In fall, June 1 – Sept 15.

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

Swiss chard planting dates by place in California
PlaceSpringFall
AdelantoFeb 20 – May 15June 1 – Sept 15
Agoura HillsJan 1 – Apr 1June 1 – Dec 1Now
Alameda—June 1 – Dec 31Now
Albany—June 1 – Dec 31Now
Alhambra—June 1 – Dec 31Now
Aliso Viejo—June 1 – Dec 31Now
American CanyonFeb 1 – May 1June 1 – Oct 1
Anaheim—June 1 – Dec 31Now
AndersonFeb 1 – May 1June 1 – Oct 1
Antioch—June 1 – Dec 31Now
Apple ValleyFeb 20 – May 15June 1 – Sept 15
Arcadia—June 1 – Dec 31Now
ArcataJan 20 – Apr 15June 1 – Dec 1Now
Arroyo GrandeJan 1 – Apr 1June 1 – Dec 31Now
Artesia—June 1 – Dec 31Now
ArvinJan 1 – Apr 1June 1 – Dec 1Now
AtascaderoFeb 15 – May 15June 1 – Sept 15
AtwaterFeb 1 – May 1June 1 – Oct 1
AuburnFeb 1 – May 1June 1 – Nov 1Now
AvenalJan 20 – Apr 15June 1 – Nov 1Now
Azusa—June 1 – Dec 31Now
BakersfieldJan 1 – Apr 1June 1 – Dec 1Now
Baldwin Park—June 1 – Dec 31Now
BanningJan 1 – Apr 1June 1 – Dec 1Now
BarstowJan 20 – Apr 15June 1 – Oct 1
BeaumontJan 1 – Apr 1June 1 – Dec 1Now
Bell——
Bell Gardens——
Bellflower——
BelmontJan 1 – Apr 1June 1 – Dec 1Now
BeniciaJan 1 – Apr 1June 1 – Dec 31Now
Berkeley—June 1 – Dec 31Now
Beverly Hills——
BlytheJan 1 – Apr 1June 1 – Dec 1Now
BrawleyJan 1 – Apr 1June 1 – Dec 31Now
Brea—June 1 – Dec 31Now
Brentwood—June 1 – Dec 31Now
Buena Park——
Burbank—June 1 – Dec 31Now
Burlingame—June 1 – Dec 31Now
CalabasasJan 1 – Apr 1June 1 – Dec 1Now
Calexico—June 1 – Dec 31Now
California CityFeb 15 – May 15June 1 – Oct 1
CalimesaJan 1 – Apr 1June 1 – Dec 31Now
Camarillo—June 1 – Dec 31Now
CampbellJan 1 – Apr 1June 1 – Dec 1Now
Canyon LakeJan 1 – Apr 1June 1 – Dec 31Now
CarlsbadJan 1 – Apr 1June 1 – Dec 1Now
Carpinteria——
Carson——
Cathedral City——
CeresJan 1 – Apr 1June 1 – Nov 1Now
Cerritos—June 1 – Dec 31Now
ChicoFeb 1 – May 1June 1 – Oct 1
ChinoJan 1 – Apr 1June 1 – Dec 31Now
Chino HillsJan 1 – Apr 1June 1 – Dec 31Now
ChowchillaJan 10 – Apr 1June 1 – Nov 1Now
Chula Vista—June 1 – Dec 31Now
Citrus Heights—June 1 – Dec 31Now
Claremont—June 1 – Dec 31Now
ClaytonFeb 15 – May 15June 1 – Dec 31Now
ClearlakeMar 15 – June 15June 1 – Sept 15
Clovis—June 1 – Dec 1Now
Coachella—June 1 – Dec 31Now
CoalingaJan 20 – Apr 15June 1 – Nov 1Now
Colton—June 1 – Dec 31Now
Commerce——
Compton——
Concord—June 1 – Dec 1Now
CorcoranJan 20 – Apr 15June 1 – Nov 1Now
CoronaJan 1 – Apr 1June 1 – Dec 31Now
Coronado——
Corte MaderaJan 1 – Apr 1June 1 – Dec 31Now
Costa Mesa——
Covina—June 1 – Dec 31Now
Cudahy——
Culver City——
Cupertino—June 1 – Dec 31Now
Cypress——
Daly City—June 1 – Dec 31Now
Dana Point—June 1 – Dec 31Now
DanvilleFeb 15 – May 15June 1 – Dec 31Now
DavisJan 10 – Apr 1June 1 – Nov 1Now
DelanoJan 1 – Apr 1June 1 – Dec 1Now
Desert Hot SpringsFeb 1 – May 1June 1 – Dec 1Now
Diamond Bar—June 1 – Dec 31Now
DinubaJan 1 – Apr 1June 1 – Dec 1Now
DixonJan 10 – Apr 1June 1 – Nov 1Now
Downey——
DuarteApr 15 – June 15June 1 – Sept 15
DublinJan 20 – Apr 15June 1 – Nov 1Now
East Palo AltoJan 1 – Apr 1June 1 – Dec 1Now
EastvaleJan 1 – Apr 1June 1 – Dec 31Now
El Cajon—June 1 – Dec 31Now
El Centro—June 1 – Dec 31Now
El Cerrito—June 1 – Dec 31Now
El Monte—June 1 – Dec 31Now
El Paso de Robles (Paso Robles)Feb 15 – May 15June 1 – Sept 15
El Segundo——
Elk GroveJan 1 – Apr 1June 1 – Nov 1Now
Emeryville—June 1 – Dec 31Now
Encinitas—June 1 – Dec 31Now
Escondido—June 1 – Dec 31Now
EurekaJan 20 – Apr 15June 1 – Dec 1Now
ExeterJan 20 – Apr 15June 1 – Nov 1Now
FairfieldJan 1 – Apr 1June 1 – Dec 1Now
FarmersvilleJan 1 – Apr 1June 1 – Dec 1Now
Fillmore—June 1 – Dec 31Now
Folsom—June 1 – Dec 31Now
Fontana—June 1 – Dec 31Now
FortunaJan 1 – Apr 1June 1 – Dec 31Now
Foster CityJan 1 – Apr 1June 1 – Dec 1Now
Fountain Valley——
Fremont—June 1 – Dec 31Now
Fresno—June 1 – Dec 1Now
Fullerton——
GaltJan 10 – Apr 1June 1 – Nov 1Now
Garden Grove——
Gardena——
GilroyFeb 1 – May 1June 1 – Nov 1Now
Glendale—June 1 – Dec 31Now
Glendora—June 1 – Dec 31Now
Goleta—June 1 – Dec 31Now
Grand Terrace—June 1 – Dec 31Now
Grass ValleyMar 15 – June 15June 1 – Sept 15
GreenfieldJan 20 – Apr 15June 1 – Oct 1
Grover BeachJan 1 – Apr 1June 1 – Dec 31Now
Half Moon BayJan 10 – Apr 1June 1 – Dec 31Now
HanfordJan 10 – Apr 1June 1 – Nov 1Now
Hawaiian Gardens——
Hawthorne——
Hayward—June 1 – Dec 31Now
HealdsburgJan 20 – Apr 15June 1 – Nov 1Now
HemetJan 1 – Apr 1June 1 – Dec 1Now
HerculesJan 1 – Apr 1June 1 – Dec 31Now
Hermosa Beach——
HesperiaFeb 1 – May 1June 1 – Nov 1Now
HighlandJan 1 – Apr 1June 1 – Dec 31Now
Hillsborough—June 1 – Dec 31Now
HollisterJan 20 – Apr 15June 1 – Nov 1Now
Huntington Beach——
Huntington Park——
Imperial—June 1 – Dec 31Now
Imperial Beach—June 1 – Dec 31Now
Indio—June 1 – Dec 31Now
Inglewood——
Irvine—June 1 – Dec 31Now
Jurupa Valley—June 1 – Dec 31Now
KermanJan 20 – Apr 15June 1 – Nov 1Now
King CityJan 20 – Apr 15June 1 – Oct 1
KingsburgJan 20 – Apr 15June 1 – Oct 1
La Cañada Flintridge——
La Habra—June 1 – Dec 31Now
La Mesa—June 1 – Dec 31Now
La Mirada—June 1 – Dec 31Now
La Palma——
La Puente—June 1 – Dec 31Now
La Quinta—June 1 – Dec 31Now
La Verne—June 1 – Dec 31Now
Lafayette—June 1 – Dec 31Now
Laguna Beach—June 1 – Dec 31Now
Laguna Hills—June 1 – Dec 31Now
Laguna Niguel—June 1 – Dec 31Now
Laguna Woods—June 1 – Dec 31Now
Lake ElsinoreJan 1 – Apr 1June 1 – Dec 31Now
Lake Forest—June 1 – Dec 31Now
Lakewood——
LancasterMar 1 – May 25June 1 – Sept 10
LarkspurJan 1 – Apr 1June 1 – Dec 31Now
LathropJan 10 – Apr 1June 1 – Nov 1Now
Lawndale——
Lemon Grove—June 1 – Dec 31Now
LemooreFeb 1 – May 1June 1 – Oct 1
LincolnFeb 1 – May 1June 1 – Nov 1Now
LindsayJan 20 – Apr 15June 1 – Nov 1Now
LivermoreJan 20 – Apr 15June 1 – Nov 1Now
Livingston—June 1 – Dec 31Now
LodiJan 10 – Apr 1June 1 – Nov 1Now
Loma LindaJan 1 – Apr 1June 1 – Dec 31Now
Lomita——
LompocJan 1 – Apr 1June 1 – Dec 31Now
Long Beach——
Los Alamitos——
Los Altos—June 1 – Dec 31Now
Los Angeles——
Los BanosJan 1 – Apr 1June 1 – Dec 1Now
Los GatosJan 1 – Apr 1June 1 – Dec 1Now
Lynwood——
MaderaJan 10 – Apr 1June 1 – Nov 1Now
Malibu——
Manhattan Beach——
MantecaJan 10 – Apr 1June 1 – Nov 1Now
MarinaJan 10 – Apr 1June 1 – Dec 1Now
MartinezFeb 1 – May 1June 1 – Oct 1
MarysvilleJan 1 – Apr 1June 1 – Dec 1Now
Maywood——
McFarlandJan 1 – Apr 1June 1 – Dec 1Now
MendotaJan 10 – Apr 1June 1 – Nov 1Now
MenifeeJan 1 – Apr 1June 1 – Dec 31Now
Menlo ParkJan 1 – Apr 1June 1 – Dec 1Now
MercedFeb 1 – May 1June 1 – Oct 1
Mill ValleyJan 1 – Apr 1June 1 – Dec 31Now
Millbrae—June 1 – Dec 31Now
Milpitas—June 1 – Dec 31Now
Mission Viejo—June 1 – Dec 31Now
ModestoJan 1 – Apr 1June 1 – Nov 1Now
MonroviaApr 15 – June 15June 1 – Sept 15
Montclair—June 1 – Dec 31Now
Montebello—June 1 – Dec 31Now
Monterey—June 1 – Dec 31Now
Monterey Park—June 1 – Dec 31Now
Moorpark—June 1 – Dec 31Now
Moraga—June 1 – Dec 31Now
Moreno ValleyJan 1 – Apr 1June 1 – Dec 31Now
Morgan HillFeb 1 – May 1June 1 – Nov 1Now
Morro BayJan 1 – Apr 1—
Mountain View—June 1 – Dec 31Now
MurrietaJan 1 – Apr 1—
NapaJan 10 – Apr 1June 1 – Nov 1Now
National City——
Newark—June 1 – Dec 31Now
NewmanFeb 1 – May 1June 1 – Nov 1Now
Newport Beach——
NorcoJan 1 – Apr 1June 1 – Dec 31Now
Norwalk—June 1 – Dec 31Now
Novato—June 1 – Dec 31Now
OakdaleJan 1 – Apr 1June 1 – Nov 1Now
Oakland—June 1 – Dec 31Now
Oakley—June 1 – Dec 31Now
OceansideJan 1 – Apr 1June 1 – Dec 1Now
Ontario—June 1 – Dec 31Now
Orange——
Orinda—June 1 – Dec 31Now
OrovilleJan 1 – Apr 1June 1 – Dec 1Now
Oxnard—June 1 – Dec 31Now
Pacific Grove—June 1 – Dec 31Now
Pacifica——
Palm Desert—June 1 – Dec 31Now
Palm Springs—June 1 – Dec 31Now
PalmdaleFeb 15 – May 15June 1 – Oct 1
Palo AltoJan 1 – Apr 1June 1 – Dec 1Now
Palos Verdes Estates——
Paramount——
ParlierJan 1 – Apr 1June 1 – Dec 1Now
Pasadena——
PattersonJan 1 – Apr 1June 1 – Nov 1Now
PerrisJan 1 – Apr 1June 1 – Dec 31Now
PetalumaFeb 1 – May 1June 1 – Oct 1
Pico Rivera—June 1 – Dec 31Now
Piedmont—June 1 – Dec 31Now
Pinole—June 1 – Dec 31Now
Pittsburg—June 1 – Dec 31Now
Placentia—June 1 – Dec 31Now
PlacervilleMar 1 – May 25June 1 – Oct 1
Pleasant Hill—June 1 – Dec 31Now
PleasantonJan 20 – Apr 15June 1 – Nov 1Now
Pomona—June 1 – Dec 31Now
Port Hueneme—June 1 – Dec 31Now
PortervilleJan 1 – Apr 1June 1 – Dec 1Now
Poway—June 1 – Dec 31Now
Rancho Cordova—June 1 – Dec 31Now
Rancho Cucamonga—June 1 – Dec 31Now
Rancho Mirage——
Rancho Palos Verdes——
Rancho Santa Margarita—June 1 – Dec 31Now
Red BluffJan 20 – Apr 15June 1 – Nov 1Now
ReddingFeb 1 – May 1June 1 – Oct 1
RedlandsJan 1 – Apr 1June 1 – Dec 31Now
Redondo Beach——
Redwood CityJan 1 – Apr 1June 1 – Dec 1Now
ReedleyJan 1 – Apr 1June 1 – Dec 1Now
Rialto—June 1 – Dec 31Now
Richmond—June 1 – Dec 31Now
RidgecrestFeb 15 – May 15June 1 – Sept 15
Rio Vista—June 1 – Dec 31Now
RiponJan 10 – Apr 1June 1 – Nov 1Now
RiverbankJan 1 – Apr 1June 1 – Nov 1Now
Riverside—June 1 – Dec 31Now
RocklinFeb 1 – May 1June 1 – Nov 1Now
Rohnert ParkFeb 1 – May 1June 1 – Nov 1Now
Rosemead—June 1 – Dec 31Now
RosevilleJan 20 – Apr 15June 1 – Oct 1
Sacramento—June 1 – Dec 31Now
SalinasJan 1 – Apr 1June 1 – Dec 1Now
San Anselmo—June 1 – Dec 31Now
San BernardinoJan 1 – Apr 1June 1 – Dec 31Now
San Bruno——
San Buenaventura (Ventura)—June 1 – Dec 31Now
San CarlosJan 1 – Apr 1June 1 – Dec 1Now
San Clemente—June 1 – Dec 31Now
San Diego——
San Dimas—June 1 – Dec 31Now
San Fernando—June 1 – Dec 31Now
San Francisco—June 1 – Dec 31Now
San Gabriel—June 1 – Dec 31Now
San JacintoJan 1 – Apr 1June 1 – Dec 1Now
San Jose—June 1 – Dec 31Now
San Juan Capistrano—June 1 – Dec 31Now
San Leandro—June 1 – Dec 31Now
San Luis ObispoJan 1 – Apr 1June 1 – Dec 1Now
San Marcos—June 1 – Dec 31Now
San Marino——
San Mateo—June 1 – Dec 31Now
San Pablo—June 1 – Dec 31Now
San Rafael—June 1 – Dec 31Now
San RamonFeb 15 – May 15June 1 – Dec 31Now
SangerJan 1 – Apr 1June 1 – Dec 1Now
Santa Ana——
Santa Barbara——
Santa Clara—June 1 – Dec 31Now
Santa Clarita—June 1 – Dec 31Now
Santa CruzJan 1 – Apr 1June 1 – Dec 1Now
Santa Fe Springs—June 1 – Dec 31Now
Santa MariaJan 10 – Apr 1June 1 – Dec 1Now
Santa Monica——
Santa Paula—June 1 – Dec 31Now
Santa RosaFeb 1 – May 1June 1 – Nov 1Now
Santee—June 1 – Dec 31Now
SaratogaJan 1 – Apr 1June 1 – Dec 1Now
Scotts ValleyFeb 20 – May 15June 1 – Sept 15
Seal Beach——
Seaside—June 1 – Dec 31Now
SelmaJan 1 – Apr 1June 1 – Dec 1Now
ShafterJan 20 – Apr 15June 1 – Oct 1
Shasta LakeJan 10 – Apr 1June 1 – Dec 31Now
Sierra MadreApr 15 – June 15June 1 – Sept 15
Signal Hill——
Simi ValleyJan 1 – Apr 1June 1 – Dec 1Now
Solana Beach—June 1 – Dec 31Now
SoledadApr 1 – June 15June 1 – Sept 10
SonomaFeb 1 – May 1June 1 – Nov 1Now
South El Monte—June 1 – Dec 31Now
South Gate——
South Lake TahoeJune 1 – 15June 1 – July 5
South Pasadena——
South San Francisco—June 1 – Dec 31Now
Stanton——
StocktonJan 10 – Apr 1June 1 – Dec 1Now
Suisun CityJan 1 – Apr 1June 1 – Dec 1Now
Sunnyvale—June 1 – Dec 31Now
SusanvilleMay 10 – June 15June 1 – July 20
TehachapiApr 15 – June 15June 1 – Sept 10
TemeculaJan 1 – Apr 1—
Temple City—June 1 – Dec 31Now
Thousand Oaks—June 1 – Dec 31Now
Torrance——
TracyFeb 1 – May 1June 1 – Nov 1Now
TruckeeJune 1 – 15June 1 – July 1
TulareJan 1 – Apr 1June 1 – Dec 1Now
Turlock—June 1 – Dec 31Now
Tustin—June 1 – Dec 31Now
Twentynine PalmsJan 1 – Apr 1June 1 – Dec 1Now
UkiahFeb 20 – May 15June 1 – Oct 1
Union City—June 1 – Dec 31Now
Upland—June 1 – Dec 31Now
VacavilleJan 20 – Apr 15June 1 – Nov 1Now
VallejoJan 1 – Apr 1June 1 – Dec 31Now
VictorvilleFeb 20 – May 15June 1 – Sept 15
VisaliaJan 1 – Apr 1June 1 – Dec 1Now
VistaJan 1 – Apr 1—
Walnut—June 1 – Dec 31Now
Walnut Creek—June 1 – Dec 31Now
WascoJan 1 – Apr 1June 1 – Nov 1Now
WatsonvilleJan 1 – Apr 1June 1 – Dec 1Now
West Covina—June 1 – Dec 31Now
West Hollywood——
West SacramentoJan 1 – Apr 1June 1 – Nov 1Now
Westminster——
Whittier—June 1 – Dec 31Now
WildomarJan 1 – Apr 1June 1 – Dec 31Now
WindsorFeb 1 – May 1June 1 – Oct 1
WoodlandJan 10 – Apr 1June 1 – Nov 1Now
Yorba LindaJan 1 – Apr 1June 1 – Dec 31Now
Yuba CityJan 1 – Apr 1June 1 – Dec 1Now
YucaipaJan 1 – Apr 1June 1 – Dec 31Now
Yucca ValleyFeb 15 – May 15June 1 – Nov 1Now

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 swiss chard.