Long neat rows of green potato plants stretching across a farm field

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California planting dates

When to Plant Potatoes in California

For potatoes in California, spring planting starts between Aug 1 (Butte County) and Jun 1 (Los Angeles County); fall planting runs Dec 1 to Feb 28, according to UC Master Gardener Program.

Photo: Long neat rows of green potato plants stretching across a farm field. Malcolm Neal, CC BY-SA 2.0, via Wikimedia Commons

Potatoes planting window by county

The UC table gives separate dates for the coast, the interior valleys and the desert valleys; each county uses its region.

Potato plant growing in a garden bed
Potato plant growing in a garden bed
Orange and blue spring wildflowers below the eastern face of the Sierra Nevada at Owens Peak Wilderness
Orange and blue spring wildflowers below the eastern face of the Sierra Nevada at Owens Peak Wilderness
Yellow brittlebush in bloom with desert mountains behind in Mojave Trails National Monument
Yellow brittlebush in bloom with desert mountains behind in Mojave Trails National Monument
Warm-lit rock walls of Afton Canyon in the Mojave Desert
Warm-lit rock walls of Afton Canyon in the Mojave Desert

Published dates for potatoes in California

TypeSeasonRegionPublished datesSource
Potatoes, whitespringNorth & North Coastlate-April-MayCalifornia Master Gardener Handbook Table 13.2, Table 'Recommended planting dates' (California Master Gardener Handbook Table 13.2)
Potatoes, whitewinterDesert ValleysDec–FebCalifornia Master Gardener Handbook Table 13.2, Table 'Recommended planting dates' (California Master Gardener Handbook Table 13.2)
Potatoes, whitewinterInterior ValleysFeb–MarCalifornia Master Gardener Handbook Table 13.2, Table 'Recommended planting dates' (California Master Gardener Handbook Table 13.2)
Potatoes, whitesummerInterior ValleysAugCalifornia Master Gardener Handbook Table 13.2, Table 'Recommended planting dates' (California Master Gardener Handbook Table 13.2)
Potatoes, whitewinterNorth & North Coastearly-FebCalifornia Master Gardener Handbook Table 13.2, Table 'Recommended planting dates' (California Master Gardener Handbook Table 13.2)
Potatoes, whitewinterSouth CoastFeb–MayCalifornia Master Gardener Handbook Table 13.2, Table 'Recommended planting dates' (California Master Gardener Handbook Table 13.2)
Potatoes, whitesummerSouth CoastJun–AugCalifornia Master Gardener Handbook Table 13.2, Table 'Recommended planting dates' (California Master Gardener Handbook Table 13.2)

Planting dates for potatoes by California county

CountySpringSummer and fall
AlamedaApr 1 to May 31; Feb 1 to Feb 28n/a
AlpineApr 1 to May 31; Feb 1 to Feb 28n/a
AmadorApr 1 to May 31; Feb 1 to Feb 28n/a
ButteAug 1 to Aug 31; Feb 1 to Mar 31n/a
CalaverasApr 1 to May 31; Feb 1 to Feb 28n/a
ColusaAug 1 to Aug 31; Feb 1 to Mar 31n/a
Contra CostaApr 1 to May 31; Feb 1 to Feb 28n/a
Del NorteApr 1 to May 31; Feb 1 to Feb 28n/a
El DoradoApr 1 to May 31; Feb 1 to Feb 28n/a
FresnoAug 1 to Aug 31; Feb 1 to Mar 31n/a
GlennAug 1 to Aug 31; Feb 1 to Mar 31n/a
HumboldtApr 1 to May 31; Feb 1 to Feb 28n/a
Imperialn/aDec 1 to Feb 28
Inyon/aDec 1 to Feb 28
KernAug 1 to Aug 31; Feb 1 to Mar 31n/a
KingsAug 1 to Aug 31; Feb 1 to Mar 31n/a
LakeApr 1 to May 31; Feb 1 to Feb 28n/a
LassenApr 1 to May 31; Feb 1 to Feb 28n/a
Los AngelesFeb 1 to May 31; Jun 1 to Aug 31n/a
MaderaAug 1 to Aug 31; Feb 1 to Mar 31n/a
MarinApr 1 to May 31; Feb 1 to Feb 28n/a
MariposaApr 1 to May 31; Feb 1 to Feb 28n/a
MendocinoApr 1 to May 31; Feb 1 to Feb 28n/a
MercedAug 1 to Aug 31; Feb 1 to Mar 31n/a
ModocApr 1 to May 31; Feb 1 to Feb 28n/a
MonoApr 1 to May 31; Feb 1 to Feb 28n/a
MontereyApr 1 to May 31; Feb 1 to Feb 28n/a
NapaApr 1 to May 31; Feb 1 to Feb 28n/a
NevadaApr 1 to May 31; Feb 1 to Feb 28n/a
OrangeFeb 1 to May 31; Jun 1 to Aug 31n/a
PlacerAug 1 to Aug 31; Feb 1 to Mar 31n/a
PlumasApr 1 to May 31; Feb 1 to Feb 28n/a
Riversiden/aDec 1 to Feb 28
SacramentoAug 1 to Aug 31; Feb 1 to Mar 31n/a
San BenitoApr 1 to May 31; Feb 1 to Feb 28n/a
San Bernardinon/aDec 1 to Feb 28
San DiegoFeb 1 to May 31; Jun 1 to Aug 31n/a
San FranciscoApr 1 to May 31; Feb 1 to Feb 28n/a
San JoaquinAug 1 to Aug 31; Feb 1 to Mar 31n/a
San Luis ObispoFeb 1 to May 31; Jun 1 to Aug 31n/a
San MateoApr 1 to May 31; Feb 1 to Feb 28n/a
Santa BarbaraFeb 1 to May 31; Jun 1 to Aug 31n/a
Santa ClaraApr 1 to May 31; Feb 1 to Feb 28n/a
Santa CruzApr 1 to May 31; Feb 1 to Feb 28n/a
ShastaAug 1 to Aug 31; Feb 1 to Mar 31n/a
SierraApr 1 to May 31; Feb 1 to Feb 28n/a
SiskiyouApr 1 to May 31; Feb 1 to Feb 28n/a
SolanoAug 1 to Aug 31; Feb 1 to Mar 31n/a
SonomaApr 1 to May 31; Feb 1 to Feb 28n/a
StanislausAug 1 to Aug 31; Feb 1 to Mar 31n/a
SutterAug 1 to Aug 31; Feb 1 to Mar 31n/a
TehamaAug 1 to Aug 31; Feb 1 to Mar 31n/a
TrinityApr 1 to May 31; Feb 1 to Feb 28n/a
TulareAug 1 to Aug 31; Feb 1 to Mar 31n/a
TuolumneApr 1 to May 31; Feb 1 to Feb 28n/a
VenturaFeb 1 to May 31; Jun 1 to Aug 31n/a
YoloAug 1 to Aug 31; Feb 1 to Mar 31n/a
YubaAug 1 to Aug 31; Feb 1 to Mar 31n/a

California planting dates for other crops

More planting dates for California

Planting dates for each crop in California, from the UC Master Gardener Program calendar.

Planting potatoes in California: questions

When do you plant potatoes in California?

For potatoes in California, spring planting starts between Aug 1 (Butte County) and Jun 1 (Los Angeles County); fall planting runs Dec 1 to Feb 28, according to UC Master Gardener Program.

Can I plant potatoes in the fall in California?

Yes. Fall planting runs Dec 1 to Feb 28.

How do frost dates affect planting potatoes?

Yes. The California frost dates page gives the 10% and 50% dates for every county.

Where do these dates for potatoes come from?

California Master Gardener Handbook Table 13.2 Time of planting (UC Master Gardener Program statewide page; table 'Recommended planting dates', source: California Master Gardener Handbook, Table 13.2).

Do these dates change by county?

Dates follow the region the county is assigned to here, from the four regions in the UC table.

Potato plants growing in a home garden
Potato plants growing in a home garden

Photos: Long neat rows of green potato plants stretching across a farm field: Malcolm Neal, CC BY-SA 2.0, via Wikimedia Commons; Potato plants growing in a home garden: Geo Lightspeed7, CC BY-SA 4.0, via Wikimedia Commons; Potato plant growing in a garden bed: Kolforn (Kolforn), CC BY-SA 4.0, via Wikimedia Commons; Orange and blue spring wildflowers below the eastern face of the Sierra Nevada at Owens Peak Wilderness: Bob Wick, Bureau of Land Management, Public domain, via Wikimedia Commons; Yellow brittlebush in bloom with desert mountains behind in Mojave Trails National Monument: blmcalifornia, Public domain, via Wikimedia Commons; Warm-lit rock walls of Afton Canyon in the Mojave Desert: blmcalifornia, Public domain, via Wikimedia Commons; Pile of ripe tomatoes: Jubair Bin Iqbal, CC BY-SA 4.0, via Wikimedia Commons; Pepper plant in a kitchen garden loaded with green, yellow and red peppers: NPS, Public domain, via Wikimedia Commons; Tall corn plants with golden tassels against a summer sky in a field: inkknife_2000, CC BY-SA 2.0, via Wikimedia Commons; Clusters of long green bean pods hanging from a climbing bean vine: Nirajan_pant, CC BY-SA 3.0, via Wikimedia Commons; Cucumber plants growing in a greenhouse bed: HARTLEPOOLMARINA2014, CC BY-SA 4.0, via Wikimedia Commons; Zucchini plant with a yellow flower: net_efekt from Oxford, UK, CC BY 2.0, via Wikimedia Commons; Green and red leaf lettuce heads growing along drip lines in a garden bed: Forest and Kim Starr, CC BY 3.0 US, via Wikimedia Commons; Long rows of green onion plants growing in sandy farm soil: ליזי שאנן, CC BY 2.5, via Wikimedia Commons.