When to plant Sweet potatoes in California

In spring, from Feb 15 – May 15 in Agoura Hills to May 20 – June 10 in Tehachapi.

For a fall crop, from May 20 – June 10 in Susanville to June 1 – July 1 in Yucca Valley.

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

Sweet potatoes planting dates by place in California
PlaceSpringFall
AdelantoApr 10 – June 1June 1 – July 1
Agoura HillsFeb 15 – May 15June 1 – July 1
Alameda—June 1 – July 1
Albany—June 1 – July 1
Alhambra—June 1 – July 1
Aliso Viejo—June 1 – July 1
American CanyonMar 20 – June 1June 1 – July 1
Anaheim—June 1 – July 1
AndersonMar 20 – June 1June 1 – July 1
Antioch—June 1 – July 1
Apple ValleyApr 10 – June 1June 1 – July 1
Arcadia—June 1 – July 1
ArcataMar 20 – June 1June 1 – July 1
Arroyo GrandeFeb 15 – May 15June 1 – July 1
Artesia—June 1 – July 1
ArvinFeb 15 – May 15June 1 – July 1
AtascaderoApr 1 – June 1June 1 – July 1
AtwaterMar 20 – June 1June 1 – July 1
AuburnMar 20 – June 1June 1 – July 1
AvenalMar 20 – June 1June 1 – July 1
Azusa—June 1 – July 1
BakersfieldFeb 15 – May 15June 1 – July 1
Baldwin Park—June 1 – July 1
BanningFeb 15 – May 15June 1 – July 1
BarstowMar 20 – June 1June 1 – July 1
BeaumontFeb 15 – May 15June 1 – July 1
BelmontFeb 15 – May 15June 1 – July 1
BeniciaFeb 15 – May 15June 1 – July 1
Berkeley—June 1 – July 1
BlytheFeb 15 – May 15June 1 – July 1
BrawleyFeb 15 – May 15June 1 – July 1
Brea—June 1 – July 1
Brentwood—June 1 – July 1
Burbank—June 1 – July 1
Burlingame—June 1 – July 1
CalabasasFeb 15 – May 15June 1 – July 1
Calexico—June 1 – July 1
California CityApr 1 – June 1June 1 – July 1
CalimesaFeb 15 – May 15June 1 – July 1
Camarillo—June 1 – July 1
CampbellFeb 15 – May 15June 1 – July 1
Canyon LakeFeb 15 – May 15June 1 – July 1
CarlsbadFeb 15 – May 15June 1 – July 1
CeresFeb 15 – May 15June 1 – July 1
Cerritos—June 1 – July 1
ChicoMar 20 – June 1June 1 – July 1
ChinoFeb 15 – May 15June 1 – July 1
Chino HillsFeb 15 – May 15June 1 – July 1
ChowchillaMar 1 – May 15June 1 – July 1
Chula Vista—June 1 – July 1
Citrus Heights—June 1 – July 1
Claremont—June 1 – July 1
ClaytonApr 1 – June 1June 1 – July 1
ClearlakeMay 1 – June 1June 1 – July 1
Clovis—June 1 – July 1
Coachella—June 1 – July 1
CoalingaMar 20 – June 1June 1 – July 1
Colton—June 1 – July 1
Concord—June 1 – July 1
CorcoranMar 20 – June 1June 1 – July 1
CoronaFeb 15 – May 15June 1 – July 1
Corte MaderaFeb 15 – May 15June 1 – July 1
Covina—June 1 – July 1
Cupertino—June 1 – July 1
Daly City—June 1 – July 1
Dana Point—June 1 – July 1
DanvilleApr 1 – June 1June 1 – July 1
DavisMar 1 – May 15June 1 – July 1
DelanoFeb 15 – May 15June 1 – July 1
Desert Hot SpringsMar 20 – June 1June 1 – July 1
Diamond Bar—June 1 – July 1
DinubaFeb 15 – May 15June 1 – July 1
DixonMar 1 – May 15June 1 – July 1
DuarteMay 20 – June 10June 1 – July 1
DublinMar 20 – June 1June 1 – July 1
East Palo AltoFeb 15 – May 15June 1 – July 1
EastvaleFeb 15 – May 15June 1 – July 1
El Cajon—June 1 – July 1
El Centro—June 1 – July 1
El Cerrito—June 1 – July 1
El Monte—June 1 – July 1
El Paso de Robles (Paso Robles)Apr 1 – June 1June 1 – July 1
Elk GroveFeb 15 – May 15June 1 – July 1
Emeryville—June 1 – July 1
Encinitas—June 1 – July 1
Escondido—June 1 – July 1
EurekaMar 20 – June 1June 1 – July 1
ExeterMar 20 – June 1June 1 – July 1
FairfieldFeb 15 – May 15June 1 – July 1
FarmersvilleFeb 15 – May 15June 1 – July 1
Fillmore—June 1 – July 1
Folsom—June 1 – July 1
Fontana—June 1 – July 1
FortunaFeb 15 – May 15June 1 – July 1
Foster CityFeb 15 – May 15June 1 – July 1
Fremont—June 1 – July 1
Fresno—June 1 – July 1
GaltMar 1 – May 15June 1 – July 1
GilroyMar 20 – June 1June 1 – July 1
Glendale—June 1 – July 1
Glendora—June 1 – July 1
Goleta—June 1 – July 1
Grand Terrace—June 1 – July 1
Grass ValleyMay 1 – June 1June 1 – July 1
GreenfieldMar 20 – June 1June 1 – July 1
Grover BeachFeb 15 – May 15June 1 – July 1
Half Moon BayMar 1 – May 15June 1 – July 1
HanfordMar 1 – May 15June 1 – July 1
Hayward—June 1 – July 1
HealdsburgMar 20 – June 1June 1 – July 1
HemetFeb 15 – May 15June 1 – July 1
HerculesFeb 15 – May 15June 1 – July 1
HesperiaMar 20 – June 1June 1 – July 1
HighlandFeb 15 – May 15June 1 – July 1
Hillsborough—June 1 – July 1
HollisterMar 20 – June 1June 1 – July 1
Imperial—June 1 – July 1
Imperial Beach—June 1 – July 1
Indio—June 1 – July 1
Irvine—June 1 – July 1
Jurupa Valley—June 1 – July 1
KermanMar 20 – June 1June 1 – July 1
King CityMar 20 – June 1June 1 – July 1
KingsburgMar 20 – June 1June 1 – July 1
La Habra—June 1 – July 1
La Mesa—June 1 – July 1
La Mirada—June 1 – July 1
La Puente—June 1 – July 1
La Quinta—June 1 – July 1
La Verne—June 1 – July 1
Lafayette—June 1 – July 1
Laguna Beach—June 1 – July 1
Laguna Hills—June 1 – July 1
Laguna Niguel—June 1 – July 1
Laguna Woods—June 1 – July 1
Lake ElsinoreFeb 15 – May 15June 1 – July 1
Lake Forest—June 1 – July 1
LancasterApr 20 – June 1June 1 – 15
LarkspurFeb 15 – May 15June 1 – July 1
LathropMar 1 – May 15June 1 – July 1
Lemon Grove—June 1 – July 1
LemooreMar 20 – June 1June 1 – July 1
LincolnMar 20 – June 1June 1 – July 1
LindsayMar 20 – June 1June 1 – July 1
LivermoreMar 20 – June 1June 1 – July 1
Livingston—June 1 – July 1
LodiMar 1 – May 15June 1 – July 1
Loma LindaFeb 15 – May 15June 1 – July 1
LompocFeb 15 – May 15June 1 – July 1
Los Altos—June 1 – July 1
Los BanosFeb 15 – May 15June 1 – July 1
Los GatosFeb 15 – May 15June 1 – July 1
MaderaMar 1 – May 15June 1 – July 1
MantecaMar 1 – May 15June 1 – July 1
MarinaMar 1 – May 15June 1 – July 1
MartinezMar 20 – June 1June 1 – July 1
MarysvilleFeb 15 – May 15June 1 – July 1
McFarlandFeb 15 – May 15June 1 – July 1
MendotaMar 1 – May 15June 1 – July 1
MenifeeFeb 15 – May 15June 1 – July 1
Menlo ParkFeb 15 – May 15June 1 – July 1
MercedMar 20 – June 1June 1 – July 1
Mill ValleyFeb 15 – May 15June 1 – July 1
Millbrae—June 1 – July 1
Milpitas—June 1 – July 1
Mission Viejo—June 1 – July 1
ModestoFeb 15 – May 15June 1 – July 1
MonroviaMay 20 – June 10June 1 – July 1
Montclair—June 1 – July 1
Montebello—June 1 – July 1
Monterey—June 1 – July 1
Monterey Park—June 1 – July 1
Moorpark—June 1 – July 1
Moraga—June 1 – July 1
Moreno ValleyFeb 15 – May 15June 1 – July 1
Morgan HillMar 20 – June 1June 1 – July 1
Morro BayFeb 15 – May 15—
Mountain View—June 1 – July 1
MurrietaFeb 15 – May 15—
NapaMar 1 – May 15June 1 – July 1
Newark—June 1 – July 1
NewmanMar 20 – June 1June 1 – July 1
NorcoFeb 15 – May 15June 1 – July 1
Norwalk—June 1 – July 1
Novato—June 1 – July 1
OakdaleFeb 15 – May 15June 1 – July 1
Oakland—June 1 – July 1
Oakley—June 1 – July 1
OceansideFeb 15 – May 15June 1 – July 1
Ontario—June 1 – July 1
Orinda—June 1 – July 1
OrovilleFeb 15 – May 15June 1 – July 1
Oxnard—June 1 – July 1
Pacific Grove—June 1 – July 1
Palm Desert—June 1 – July 1
Palm Springs—June 1 – July 1
PalmdaleApr 1 – June 1June 1 – July 1
Palo AltoFeb 15 – May 15June 1 – July 1
ParlierFeb 15 – May 15June 1 – July 1
PattersonFeb 15 – May 15June 1 – July 1
PerrisFeb 15 – May 15June 1 – July 1
PetalumaMar 20 – June 1June 1 – July 1
Pico Rivera—June 1 – July 1
Piedmont—June 1 – July 1
Pinole—June 1 – July 1
Pittsburg—June 1 – July 1
Placentia—June 1 – July 1
PlacervilleApr 20 – June 1June 1 – July 1
Pleasant Hill—June 1 – July 1
PleasantonMar 20 – June 1June 1 – July 1
Pomona—June 1 – July 1
Port Hueneme—June 1 – July 1
PortervilleFeb 15 – May 15June 1 – July 1
Poway—June 1 – July 1
Rancho Cordova—June 1 – July 1
Rancho Cucamonga—June 1 – July 1
Rancho Santa Margarita—June 1 – July 1
Red BluffMar 20 – June 1June 1 – July 1
ReddingMar 20 – June 1June 1 – July 1
RedlandsFeb 15 – May 15June 1 – July 1
Redwood CityFeb 15 – May 15June 1 – July 1
ReedleyFeb 15 – May 15June 1 – July 1
Rialto—June 1 – July 1
Richmond—June 1 – July 1
RidgecrestApr 1 – June 1June 1 – July 1
Rio Vista—June 1 – July 1
RiponMar 1 – May 15June 1 – July 1
RiverbankFeb 15 – May 15June 1 – July 1
Riverside—June 1 – July 1
RocklinMar 20 – June 1June 1 – July 1
Rohnert ParkMar 20 – June 1June 1 – July 1
Rosemead—June 1 – July 1
RosevilleMar 20 – June 1June 1 – July 1
Sacramento—June 1 – July 1
SalinasFeb 15 – May 15June 1 – July 1
San Anselmo—June 1 – July 1
San BernardinoFeb 15 – May 15June 1 – July 1
San Buenaventura (Ventura)—June 1 – July 1
San CarlosFeb 15 – May 15June 1 – July 1
San Clemente—June 1 – July 1
San Dimas—June 1 – July 1
San Fernando—June 1 – July 1
San Francisco—June 1 – July 1
San Gabriel—June 1 – July 1
San JacintoFeb 15 – May 15June 1 – July 1
San Jose—June 1 – July 1
San Juan Capistrano—June 1 – July 1
San Leandro—June 1 – July 1
San Luis ObispoFeb 15 – May 15June 1 – July 1
San Marcos—June 1 – July 1
San Mateo—June 1 – July 1
San Pablo—June 1 – July 1
San Rafael—June 1 – July 1
San RamonApr 1 – June 1June 1 – July 1
SangerFeb 15 – May 15June 1 – July 1
Santa Clara—June 1 – July 1
Santa Clarita—June 1 – July 1
Santa CruzFeb 15 – May 15June 1 – July 1
Santa Fe Springs—June 1 – July 1
Santa MariaMar 1 – May 15June 1 – July 1
Santa Paula—June 1 – July 1
Santa RosaMar 20 – June 1June 1 – July 1
Santee—June 1 – July 1
SaratogaFeb 15 – May 15June 1 – July 1
Scotts ValleyApr 10 – June 1June 1 – July 1
Seaside—June 1 – July 1
SelmaFeb 15 – May 15June 1 – July 1
ShafterMar 20 – June 1June 1 – July 1
Shasta LakeMar 1 – May 15June 1 – July 1
Sierra MadreMay 20 – June 10June 1 – July 1
Simi ValleyFeb 15 – May 15June 1 – July 1
Solana Beach—June 1 – July 1
SoledadMay 10 – June 10June 1 – 15
SonomaMar 20 – June 1June 1 – July 1
South El Monte—June 1 – July 1
South Lake TahoeNot listedNot listed
South San Francisco—June 1 – July 1
StocktonMar 1 – May 15June 1 – July 1
Suisun CityFeb 15 – May 15June 1 – July 1
Sunnyvale—June 1 – July 1
SusanvilleNot listedMay 20 – June 10
TehachapiMay 20 – June 10June 1 – 15
TemeculaFeb 15 – May 15—
Temple City—June 1 – July 1
Thousand Oaks—June 1 – July 1
TracyMar 20 – June 1June 1 – July 1
TruckeeNot listedNot listed
TulareFeb 15 – May 15June 1 – July 1
Turlock—June 1 – July 1
Tustin—June 1 – July 1
Twentynine PalmsFeb 15 – May 15June 1 – July 1
UkiahApr 10 – June 1June 1 – July 1
Union City—June 1 – July 1
Upland—June 1 – July 1
VacavilleMar 20 – June 1June 1 – July 1
VallejoFeb 15 – May 15June 1 – July 1
VictorvilleApr 10 – June 1June 1 – July 1
VisaliaFeb 15 – May 15June 1 – July 1
VistaFeb 15 – May 15—
Walnut—June 1 – July 1
Walnut Creek—June 1 – July 1
WascoFeb 15 – May 15June 1 – July 1
WatsonvilleFeb 15 – May 15June 1 – July 1
West Covina—June 1 – July 1
West SacramentoFeb 15 – May 15June 1 – July 1
Whittier—June 1 – July 1
WildomarFeb 15 – May 15June 1 – July 1
WindsorMar 20 – June 1June 1 – July 1
WoodlandMar 1 – May 15June 1 – July 1
Yorba LindaFeb 15 – May 15June 1 – July 1
Yuba CityFeb 15 – May 15June 1 – July 1
YucaipaFeb 15 – May 15June 1 – July 1
Yucca ValleyApr 1 – June 1June 1 – July 1

Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. “—” means outside the table. 63 other places in California have frost dates outside the table. The full USDA table for sweet potatoes.

Updated