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California, US

Planting calendar for Corona

Last frost around February 20, first frost around December 9: about 292 frost-free days.

Last frost
February 20
on average
First frost
December 9
on average
Frost-free days
292
in a typical year

Sow now: November

See the whole year

The year at a glance

When each crop can be sown in Corona. Tap a crop for exact dates and when it’s ready to harvest.

Sow outdoorsSow under cover (indoors, a greenhouse or a cold frame)
When to sow each crop in Corona, month by month. Each month says whether you can sow outdoors, under cover, or both.
CropJJanFFebMMarAAprMMayJJunJJulAAugSSepOOctNNovDDec
Fruiting
TomatoJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow under coverJuly: Sow under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow under coverNovember: Not this monthDecember: Not this month
Chile pepperJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow under coverJuly: Sow under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow under coverNovember: Not this monthDecember: Not this month
Bell pepperJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow under coverJuly: Sow under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow under coverNovember: Not this monthDecember: Not this month
EggplantJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow under coverJuly: Sow under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow under coverNovember: Not this monthDecember: Not this month
ZucchiniJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow under coverJuly: Sow under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow under coverNovember: Not this monthDecember: Not this month
CucumberJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow under coverJuly: Sow under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow under coverNovember: Not this monthDecember: Not this month
Winter squashJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow under coverJuly: Sow under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow under coverNovember: Not this monthDecember: Not this month
Sweet cornJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow under coverJuly: Sow under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow under coverNovember: Not this monthDecember: Not this month
Roots
CarrotJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow under coverJune: Not this monthJuly: Sow under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under cover
BeetJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow under coverJune: Not this monthJuly: Sow under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow under coverDecember: Sow under cover
ParsnipJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow under coverMay: Not this monthJune: Not this monthJuly: Sow under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under cover
RadishJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow under coverJuly: Not this monthAugust: Sow under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow under cover
PotatoJanuary: Plant outdoors and under coverFebruary: Plant outdoors and under coverMarch: Plant outdoors and under coverApril: Not this monthMay: Not this monthJune: Not this monthJuly: Plant under coverAugust: Plant outdoors and under coverSeptember: Plant outdoors and under coverOctober: Plant outdoors and under coverNovember: Plant outdoors and under coverDecember: Plant outdoors and under cover
TurnipJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow under coverJuly: Sow under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow under coverDecember: Sow under cover
Leaves
LettuceJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow under coverJuly: Not this monthAugust: Sow under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under cover
SpinachJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow under coverJuly: Not this monthAugust: Sow under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under cover
Swiss chardJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow under coverDecember: Sow under cover
ArugulaJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow under coverJuly: Not this monthAugust: Sow under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under cover
CeleryJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow under coverMay: Not this monthJune: Not this monthJuly: Sow under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under cover
Beans and peas
Runner beanJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow under coverJuly: Sow under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow under coverNovember: Not this monthDecember: Not this month
Green beanJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow under coverJuly: Sow under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow under coverNovember: Not this monthDecember: Not this month
Fava beanJanuary: Sow outdoors and under coverFebruary: Sow under coverMarch: Not this monthApril: Not this monthMay: Not this monthJune: Not this monthJuly: Not this monthAugust: Not this monthSeptember: Not this monthOctober: Sow under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under cover
PeaJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow under coverJune: Not this monthJuly: Not this monthAugust: Sow under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow under coverDecember: Sow under cover
Onion family
OnionJanuary: Plant outdoors and under coverFebruary: Plant outdoors and under coverMarch: Plant under coverApril: Not this monthMay: Not this monthJune: Not this monthJuly: Plant under coverAugust: Plant outdoors and under coverSeptember: Plant outdoors and under coverOctober: Plant outdoors and under coverNovember: Plant outdoors and under coverDecember: Plant outdoors and under cover
GarlicJanuary: Plant outdoors and under coverFebruary: Plant under coverMarch: Not this monthApril: Not this monthMay: Not this monthJune: Not this monthJuly: Not this monthAugust: Not this monthSeptember: Not this monthOctober: Plant under coverNovember: Plant outdoors and under coverDecember: Plant outdoors and under cover
LeekJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow under coverJune: Not this monthJuly: Sow under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under cover
ScallionJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under cover
ShallotJanuary: Plant outdoors and under coverFebruary: Plant outdoors and under coverMarch: Plant outdoors and under coverApril: Plant under coverMay: Not this monthJune: Not this monthJuly: Plant under coverAugust: Plant outdoors and under coverSeptember: Plant outdoors and under coverOctober: Plant outdoors and under coverNovember: Plant outdoors and under coverDecember: Plant outdoors and under cover
Brassicas
CabbageJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow under coverJuly: Sow under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under cover
BroccoliJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow under coverJune: Not this monthJuly: Sow under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow under coverDecember: Sow outdoors and under cover
CauliflowerJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow under coverJune: Not this monthJuly: Not this monthAugust: Sow under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under cover
Brussels sproutJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow under coverMay: Not this monthJune: Not this monthJuly: Sow under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under cover
KaleJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow under coverJune: Not this monthJuly: Sow under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow under coverDecember: Sow under cover
Bok choyJanuary: Sow under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow under coverJuly: Not this monthAugust: Sow under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow under cover
Herbs
BasilJanuary: Sow under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow under coverJuly: Sow under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow under coverNovember: Not this monthDecember: Not this month
ParsleyJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under cover
CilantroJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow under coverJuly: Not this monthAugust: Sow under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under cover
ChivesJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow under coverMay: Not this monthJune: Not this monthJuly: Sow under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow under coverDecember: Sow under cover
MintJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under cover
Fruit
StrawberryJanuary: Plant outdoors and under coverFebruary: Plant outdoors and under coverMarch: Plant outdoors and under coverApril: Plant under coverMay: Not this monthJune: Not this monthJuly: Plant under coverAugust: Plant outdoors and under coverSeptember: Plant outdoors and under coverOctober: Plant outdoors and under coverNovember: Plant under coverDecember: Plant outdoors and under cover
RaspberryWinters too mild hereJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Not this monthMay: Not this monthJune: Not this monthJuly: Not this monthAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
RhubarbWinters too mild hereJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Not this monthMay: Not this monthJune: Not this monthJuly: Not this monthAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month

Fruit rows show when to plant, not sow.

Crop by crop

Fruiting

TomatoOutdoors Apr 10 to May 12, and Aug 16 to Sep 15; Under cover Mar 13 to Jun 9, and Jul 19 to Oct 13
Tomato growing on a plot
Sow outdoors
Apr 10 to May 12, and Aug 16 to Sep 15
Under cover
Mar 13 to Jun 9, and Jul 19 to Oct 13
First harvest
About 69 days after sowing. Sown on April 10, ready around June 18.
Warmth
Tender: needs days averaging 54°F or more, and no frost.
Tomato across the US, town by town
Chile pepperOutdoors Apr 8 to May 12, and Aug 16 to Sep 13; Under cover Mar 11 to Jun 9, and Jul 19 to Oct 11
Chile pepper growing on a plot
Sow outdoors
Apr 8 to May 12, and Aug 16 to Sep 13
Under cover
Mar 11 to Jun 9, and Jul 19 to Oct 11
First harvest
About 84 days after sowing. Sown on April 8, ready around July 1.
Warmth
Tender: needs days averaging 54°F or more, and no frost.
Chile pepper across the US, town by town
Bell pepperOutdoors Apr 16 to May 17, and Aug 16 to Sep 15; Under cover Mar 19 to Jun 14, and Jul 19 to Oct 13
Bell pepper growing on a plot
Sow outdoors
Apr 16 to May 17, and Aug 16 to Sep 15
Under cover
Mar 19 to Jun 14, and Jul 19 to Oct 13
First harvest
About 78 days after sowing. Sown on April 16, ready around July 3.
Warmth
Tender: needs days averaging 54°F or more, and no frost.
Bell pepper across the US, town by town
EggplantOutdoors Apr 16 to May 12, and Aug 16 to Sep 13; Under cover Mar 19 to Jun 9, and Jul 19 to Oct 11
Eggplant growing on a plot
Sow outdoors
Apr 16 to May 12, and Aug 16 to Sep 13
Under cover
Mar 19 to Jun 9, and Jul 19 to Oct 11
First harvest
About 90 days after sowing. Sown on April 16, ready around July 15.
Warmth
Tender: needs days averaging 54°F or more, and no frost.
Eggplant across the US, town by town
ZucchiniOutdoors Apr 8 to May 25, and Aug 16 to Oct 4; Under cover Mar 11 to Jun 22, and Jul 19 to Nov 1
Zucchini growing on a plot
Sow outdoors
Apr 8 to May 25, and Aug 16 to Oct 4
Under cover
Mar 11 to Jun 22, and Jul 19 to Nov 1
First harvest
About 53 days after sowing. Sown on April 8, ready around May 31.
Warmth
Tender: needs days averaging 54°F or more, and no frost.
Zucchini across the US, town by town
CucumberOutdoors Apr 8 to May 25, and Aug 16 to Sep 29; Under cover Mar 11 to Jun 22, and Jul 19 to Oct 27
Cucumber growing on a plot
Sow outdoors
Apr 8 to May 25, and Aug 16 to Sep 29
Under cover
Mar 11 to Jun 22, and Jul 19 to Oct 27
First harvest
About 59 days after sowing. Sown on April 8, ready around June 6.
Warmth
Tender: needs days averaging 54°F or more, and no frost.
Cucumber across the US, town by town
Winter squashOutdoors Apr 8 to May 17, and Aug 16 to Sep 16; Under cover Mar 11 to Jun 14, and Jul 19 to Oct 14
Winter squash growing on a plot
Sow outdoors
Apr 8 to May 17, and Aug 16 to Sep 16
Under cover
Mar 11 to Jun 14, and Jul 19 to Oct 14
First harvest
About 71 days after sowing. Sown on April 8, ready around June 18.
Warmth
Tender: needs days averaging 54°F or more, and no frost.
Winter squash across the US, town by town
Sweet cornOutdoors Mar 31 to May 17, and Aug 16 to Sep 18; Under cover Mar 3 to Jun 14, and Jul 19 to Oct 16
Sweet corn growing on a plot
Sow outdoors
Mar 31 to May 17, and Aug 16 to Sep 18
Under cover
Mar 3 to Jun 14, and Jul 19 to Oct 16
First harvest
About 75 days after sowing. Sown on March 31, ready around June 14.
Warmth
Tender: needs days averaging 52°F or more, and no frost.
Sweet corn across the US, town by town

Roots

CarrotOutdoors Aug 16 to Apr 20; Under cover Jul 19 to May 18
Carrot growing on a plot
Sow outdoors
Aug 16 to Apr 20
Under cover
Jul 19 to May 18
First harvest
About 60 days after sowing. Sown on August 16, ready around October 15.
Warmth
Hardy: grows once days average 45°F.
Carrot across the US, town by town
BeetOutdoors Jan 10 to Apr 25, and Aug 16 to Oct 20; Under cover Jul 19 to Nov 17, and Dec 13 to May 23
Beet growing on a plot
Sow outdoors
Jan 10 to Apr 25, and Aug 16 to Oct 20
Under cover
Jul 19 to Nov 17, and Dec 13 to May 23
First harvest
About 42 days after sowing. Sown on January 10, ready around February 21.
Warmth
Hardy: grows once days average 45°F.
Beet across the US, town by town
ParsnipOutdoors Aug 16 to Mar 28; Under cover Jul 19 to Apr 25
Parsnip growing on a plot
Sow outdoors
Aug 16 to Mar 28
Under cover
Jul 19 to Apr 25
First harvest
About 78 days after sowing. Sown on August 16, ready around November 2.
Warmth
Hardy: grows once days average 43°F.
Parsnip across the US, town by town
RadishOutdoors Jan 11 to May 27, and Sep 2 to Nov 27; Under cover Aug 5 to Jun 24
Radish growing on a plot
Sow outdoors
Jan 11 to May 27, and Sep 2 to Nov 27
Under cover
Aug 5 to Jun 24
First harvest
About 33 days after sowing. Sown on January 11, ready around February 13.
Warmth
Hardy: grows once days average 43°F; bolts in hot weather.
Radish across the US, town by town
PotatoOutdoors Aug 16 to Mar 7; Under cover Jul 19 to Apr 4
Potato growing on a plot
Plant outdoors
Aug 16 to Mar 7
Under cover
Jul 19 to Apr 4
First harvest
About 60 days after planting. Planted on August 16, ready around October 15.
Warmth
Hardy: grows once days average 43°F.
Potato across the US, town by town
TurnipOutdoors Jan 5 to Jun 6, and Aug 25 to Nov 4; Under cover Jul 28 to Jul 4
Turnip growing on a plot
Sow outdoors
Jan 5 to Jun 6, and Aug 25 to Nov 4
Under cover
Jul 28 to Jul 4
First harvest
About 36 days after sowing. Sown on January 5, ready around February 10.
Warmth
Hardy: grows once days average 43°F.
Turnip across the US, town by town

Leaves

LettuceOutdoors Sep 10 to Nov 11, and Dec 16 to May 17; Under cover Aug 13 to Jun 14
Lettuce growing on a plot
Sow outdoors
Sep 10 to Nov 11, and Dec 16 to May 17
Under cover
Aug 13 to Jun 14
First harvest
About 42 days after sowing. Sown on September 10, ready around October 22.
Warmth
Hardy: grows once days average 43°F; bolts in hot weather.
Lettuce across the US, town by town
SpinachOutdoors Sep 10 to May 17; Under cover Aug 13 to Jun 14
Spinach growing on a plot
Sow outdoors
Sep 10 to May 17
Under cover
Aug 13 to Jun 14
First harvest
About 28 days after sowing. Sown on September 10, ready around October 8.
Warmth
Hardy: grows once days average 43°F; bolts in hot weather.
Spinach across the US, town by town
Swiss chardOutdoors Jan 5 to Nov 4; Under cover all year
Swiss chard growing on a plot
Sow outdoors
Jan 5 to Nov 4
Under cover
all year
First harvest
About 36 days after sowing. Sown on January 5, ready around February 10.
Warmth
Hardy: grows once days average 45°F.
Swiss chard across the US, town by town
ArugulaOutdoors Sep 10 to May 17; Under cover Aug 13 to Jun 14
Arugula growing on a plot
Sow outdoors
Sep 10 to May 17
Under cover
Aug 13 to Jun 14
First harvest
About 25 days after sowing. Sown on September 10, ready around October 5.
Warmth
Hardy: grows once days average 43°F; bolts in hot weather.
Arugula across the US, town by town
CeleryOutdoors Aug 16 to Mar 11; Under cover Jul 19 to Apr 8
Celery growing on a plot
Sow outdoors
Aug 16 to Mar 11
Under cover
Jul 19 to Apr 8
First harvest
About 78 days after sowing. Sown on August 16, ready around November 2.
Warmth
Hardy: grows once days average 41°F.
Celery across the US, town by town

Beans and peas

Runner beanOutdoors Mar 31 to May 25, and Aug 16 to Sep 22; Under cover Mar 3 to Jun 22, and Jul 19 to Oct 20
Runner bean growing on a plot
Sow outdoors
Mar 31 to May 25, and Aug 16 to Sep 22
Under cover
Mar 3 to Jun 22, and Jul 19 to Oct 20
First harvest
About 72 days after sowing. Sown on March 31, ready around June 11.
Warmth
Tender: needs days averaging 52°F or more, and no frost.
Runner bean across the US, town by town
Green beanOutdoors Mar 31 to Jun 2, and Aug 16 to Oct 2; Under cover Mar 3 to Jun 30, and Jul 19 to Oct 30
Green bean growing on a plot
Sow outdoors
Mar 31 to Jun 2, and Aug 16 to Oct 2
Under cover
Mar 3 to Jun 30, and Jul 19 to Oct 30
First harvest
About 63 days after sowing. Sown on March 31, ready around June 2.
Warmth
Tender: needs days averaging 52°F or more, and no frost.
Green bean across the US, town by town
Fava beanOutdoors Nov 10 to Jan 10; Under cover Oct 13 to Feb 7
Fava bean growing on a plot
Sow outdoors
Nov 10 to Jan 10
Under cover
Oct 13 to Feb 7
First harvest
About 220 days after sowing. Sown on November 10, ready around June 18.
Warmth
Hardy: goes in as the weather cools, and grows on through winter.
Fava bean across the US, town by town
PeaOutdoors Jan 8 to Apr 12, and Sep 2 to Oct 14; Under cover Aug 5 to Nov 11, and Dec 11 to May 10
Pea growing on a plot
Sow outdoors
Jan 8 to Apr 12, and Sep 2 to Oct 14
Under cover
Aug 5 to Nov 11, and Dec 11 to May 10
First harvest
About 48 days after sowing. Sown on January 8, ready around February 25.
Warmth
Hardy: grows once days average 43°F; bolts in hot weather.
Pea across the US, town by town

Onion family

OnionOutdoors Aug 16 to Mar 2; Under cover Jul 19 to Mar 30
Onion growing on a plot
Plant outdoors
Aug 16 to Mar 2
Under cover
Jul 19 to Mar 30
First harvest
About 84 days after planting. Planted on August 16, ready around November 8.
Warmth
Hardy: grows once days average 43°F.
Onion across the US, town by town
GarlicOutdoors Nov 10 to Jan 10; Under cover Oct 13 to Feb 7
Garlic growing on a plot
Plant outdoors
Nov 10 to Jan 10
Under cover
Oct 13 to Feb 7
First harvest
About 250 days after planting. Planted on November 10, ready around July 18.
Warmth
Hardy: goes in as the weather cools, and grows on through winter.
Garlic across the US, town by town
LeekOutdoors Aug 16 to Apr 27; Under cover Jul 19 to May 25
Leek growing on a plot
Sow outdoors
Aug 16 to Apr 27
Under cover
Jul 19 to May 25
First harvest
About 90 days after sowing. Sown on August 16, ready around November 14.
Warmth
Hardy: grows once days average 43°F.
Leek across the US, town by town
ScallionOutdoors all year
Scallion growing on a plot
Sow outdoors
all year
Under cover
all year
First harvest
About 42 days after sowing. Sown on January 1, ready around February 12.
Warmth
Hardy: grows once days average 41°F.
Scallion across the US, town by town
ShallotOutdoors Aug 16 to Mar 25; Under cover Jul 19 to Apr 22
Shallot growing on a plot
Plant outdoors
Aug 16 to Mar 25
Under cover
Jul 19 to Apr 22
First harvest
About 78 days after planting. Planted on August 16, ready around November 2.
Warmth
Hardy: grows once days average 41°F.
Shallot across the US, town by town

Brassicas

CabbageOutdoors Aug 16 to May 12; Under cover Jul 19 to Jun 9
Cabbage growing on a plot
Sow outdoors
Aug 16 to May 12
Under cover
Jul 19 to Jun 9
First harvest
About 66 days after sowing. Sown on August 16, ready around October 21.
Warmth
Hardy: grows once days average 43°F.
Cabbage across the US, town by town
BroccoliOutdoors Aug 16 to Oct 16, and Dec 24 to Apr 10; Under cover Jul 19 to Nov 13, and Nov 26 to May 8
Broccoli growing on a plot
Sow outdoors
Aug 16 to Oct 16, and Dec 24 to Apr 10
Under cover
Jul 19 to Nov 13, and Nov 26 to May 8
First harvest
About 54 days after sowing. Sown on August 16, ready around October 9.
Warmth
Hardy: grows once days average 45°F.
Broccoli across the US, town by town
CauliflowerOutdoors Sep 2 to Apr 12; Under cover Aug 5 to May 10
Cauliflower growing on a plot
Sow outdoors
Sep 2 to Apr 12
Under cover
Aug 5 to May 10
First harvest
About 72 days after sowing. Sown on September 2, ready around November 13.
Warmth
Hardy: grows once days average 43°F; bolts in hot weather.
Cauliflower across the US, town by town
Brussels sproutOutdoors Aug 16 to Mar 12; Under cover Jul 19 to Apr 9
Brussels sprout growing on a plot
Sow outdoors
Aug 16 to Mar 12
Under cover
Jul 19 to Apr 9
First harvest
About 108 days after sowing. Sown on August 16, ready around December 2.
Warmth
Hardy: grows once days average 43°F.
Brussels sprout across the US, town by town
KaleOutdoors Aug 16 to Oct 21, and Dec 30 to Apr 25; Under cover Jul 19 to Nov 18, and Dec 2 to May 23
Kale growing on a plot
Sow outdoors
Aug 16 to Oct 21, and Dec 30 to Apr 25
Under cover
Jul 19 to Nov 18, and Dec 2 to May 23
First harvest
About 48 days after sowing. Sown on August 16, ready around October 3.
Warmth
Hardy: grows once days average 45°F.
Kale across the US, town by town
Bok choyOutdoors Feb 6 to May 17, and Sep 10 to Nov 17; Under cover Jan 9 to Jun 14, and Aug 13 to Dec 15
Bok choy growing on a plot
Sow outdoors
Feb 6 to May 17, and Sep 10 to Nov 17
Under cover
Jan 9 to Jun 14, and Aug 13 to Dec 15
First harvest
About 51 days after sowing. Sown on February 6, ready around March 29.
Warmth
Hardy: grows once days average 46°F; bolts in hot weather.
Bok choy across the US, town by town

Herbs

BasilOutdoors Feb 20 to Jun 2, and Aug 16 to Oct 5; Under cover Jan 23 to Jun 30, and Jul 19 to Nov 2
Basil growing on a plot
Sow outdoors
Feb 20 to Jun 2, and Aug 16 to Oct 5
Under cover
Jan 23 to Jun 30, and Jul 19 to Nov 2
First harvest
About 69 days after sowing. Sown on February 20, ready around April 30.
Warmth
Tender: needs days averaging 46°F or more, and no frost.
Basil across the US, town by town
ParsleyOutdoors all year
Parsley growing on a plot
Sow outdoors
all year
Under cover
all year
First harvest
About 45 days after sowing. Sown on January 1, ready around February 15.
Warmth
Hardy: grows once days average 43°F.
Parsley across the US, town by town
CilantroOutdoors Sep 10 to Nov 26, and Dec 22 to May 17; Under cover Aug 13 to Jun 14
Cilantro growing on a plot
Sow outdoors
Sep 10 to Nov 26, and Dec 22 to May 17
Under cover
Aug 13 to Jun 14
First harvest
About 30 days after sowing. Sown on September 10, ready around October 10.
Warmth
Hardy: grows once days average 45°F; bolts in hot weather.
Cilantro across the US, town by town
ChivesOutdoors Jan 1 to Mar 28, and Aug 16 to Oct 19; Under cover Jul 19 to Nov 16, and Dec 4 to Apr 25
Chives growing on a plot
Sow outdoors
Jan 1 to Mar 28, and Aug 16 to Oct 19
Under cover
Jul 19 to Nov 16, and Dec 4 to Apr 25
First harvest
Crops every year once it’s established.
Warmth
Hardy: grows once days average 43°F.
Chives across the US, town by town
MintOutdoors all year
Mint growing on a plot
Sow outdoors
all year
Under cover
all year
First harvest
Crops every year once it’s established.
Warmth
Hardy: grows once days average 45°F.
Mint across the US, town by town

Fruit

StrawberryOutdoors Aug 16 to Nov 1, and Dec 6 to Mar 12; Under cover Jul 19 to Apr 9
Strawberry growing on a plot
Plant outdoors
Aug 16 to Nov 1, and Dec 6 to Mar 12
Under cover
Jul 19 to Apr 9
First harvest
Crops every year once it’s established.
Warmth
Hardy: grows once days average 43°F.
Strawberry across the US, town by town
RaspberryNot here: winters too mild here
Raspberry growing on a plot
Plant outdoors
Not here: winters too mild here
Under cover
No
First harvest
Crops every year once it’s established.
Warmth
Hardy: goes in as the weather cools, and grows on through winter.
Raspberry across the US, town by town
RhubarbNot here: winters too mild here
Rhubarb growing on a plot
Plant outdoors
Not here: winters too mild here
Under cover
No
First harvest
Crops every year once it’s established.
Warmth
Hardy: goes in as the weather cools, and grows on through winter.
Rhubarb across the US, town by town

Questions about growing in Corona

When is the last frost in Corona?

On average around February 20, and the first autumn frost comes around December 9. In a cold spring a frost can come a week or two late, so tender plants are safest out a week after the date.

Can I grow tomatoes outdoors in Corona?

Yes. Plant them outdoors Apr 10 to May 12, and Aug 16 to Sep 15, or under cover Mar 13 to Jun 9, and Jul 19 to Oct 13.

What can I sow in Corona in November?

Outdoors: carrot, parsnip, radish, potato, lettuce, spinach, arugula, celery, fava bean, onion, garlic, leek, scallion, shallot, cabbage, cauliflower, Brussels sprout, bok choy, parsley, cilantro, mint. Under cover: beet, turnip, Swiss chard, pea, broccoli, kale, chives, strawberry.

How accurate are these dates?

They’re worked out from 30 years of climate data for this spot, adjusted for its height, so they’re a good guide for a typical year. Check the forecast before planting out anything tender.

Get these dates as reminders

Bia turns this calendar into a nudge when it’s time to sow, plant out and harvest, for your backyard or community garden plot in Corona. Free for 2 months.

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How these dates are worked out: climate records for this spot (ERA5-Land, 1995 to 2024), the local frost dates and the height above sea level turn a seed-packet date into a local one. Contains modified Copernicus Climate Change Service information; towns from GeoNames (CC BY 4.0). How sowing dates work