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California, US

Planting calendar for Santa Rosa

Last frost around January 21, first frost around January 9: about 353 frost-free days.

Last frost
January 21
on average
First frost
January 9
on average
Frost-free days
353
in a typical year

Sow now: November

See the whole year

The year at a glance

When each crop can be sown in Santa Rosa. 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 Santa Rosa, 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 under coverOctober: Not this monthNovember: 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 under coverOctober: Not this monthNovember: Not this monthDecember: Not this month
Bell pepperJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Sow under coverMay: Sow outdoors and under coverJune: Sow under coverJuly: Sow under coverAugust: Sow outdoors and under coverSeptember: Sow under coverOctober: Not this monthNovember: Not this monthDecember: Not this month
EggplantJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Sow under coverMay: Sow outdoors and under coverJune: Sow under coverJuly: Sow under coverAugust: Sow outdoors and under coverSeptember: Sow under coverOctober: Not this monthNovember: 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 under coverOctober: Not this monthNovember: 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 under coverOctober: Not this monthNovember: Not this monthDecember: Not this month
Roots
CarrotJanuary: 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
BeetJanuary: Sow 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 under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow under coverNovember: Not this monthDecember: Not this month
ParsnipJanuary: 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 under coverNovember: Sow 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 outdoors and 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 under cover
PotatoJanuary: 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 under coverNovember: Not this monthDecember: Plant 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 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
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: Sow under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow under coverDecember: Sow 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: Sow under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow under cover
Swiss chardJanuary: Sow 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: Not this month
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: Sow under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow 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 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: Not this monthNovember: 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 outdoors and 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 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: Sow under cover
Onion family
OnionJanuary: 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
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 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
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 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 outdoors and under coverJuly: Sow under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow under coverNovember: Sow under coverDecember: Sow outdoors and under cover
BroccoliJanuary: 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
CauliflowerJanuary: 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 under coverNovember: Sow 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 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
KaleJanuary: Sow 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 under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow under coverNovember: Not this monthDecember: Not this month
Bok choyJanuary: Not this monthFebruary: Sow 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: Not this month
Herbs
BasilJanuary: Not this monthFebruary: Sow under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and 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 under coverDecember: Sow under cover
CilantroJanuary: 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 outdoors and under coverNovember: Sow under coverDecember: Not this month
ChivesJanuary: 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 under coverNovember: Not this monthDecember: Sow under cover
MintJanuary: Sow 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 outdoors and under coverMay: Plant under coverJune: Not this monthJuly: Plant under coverAugust: Plant outdoors and under coverSeptember: Plant outdoors and under coverOctober: Plant under coverNovember: Not this monthDecember: Plant under cover
RaspberryJanuary: 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: Not this monthNovember: Plant under coverDecember: Plant outdoors and under cover
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 20 to May 17, and Aug 8 to Aug 29; Under cover Mar 23 to Jun 14, and Jul 11 to Sep 26
Tomato growing on a plot
Sow outdoors
Apr 20 to May 17, and Aug 8 to Aug 29
Under cover
Mar 23 to Jun 14, and Jul 11 to Sep 26
First harvest
About 74 days after sowing. Sown on April 20, ready around July 3.
Warmth
Tender: needs days averaging 54°F or more, and no frost.
Tomato across the US, town by town
Chile pepperOutdoors Apr 19 to May 17, and Aug 8 to Aug 27; Under cover Mar 22 to Jun 14, and Jul 11 to Jul 30, and Aug 8 to Aug 27, and Sep 5 to Sep 24
Chile pepper growing on a plot
Sow outdoors
Apr 19 to May 17, and Aug 8 to Aug 27
Under cover
Mar 22 to Jun 14, and Jul 11 to Jul 30, and Aug 8 to Aug 27, and Sep 5 to Sep 24
First harvest
About 84 days after sowing. Sown on April 19, ready around July 12.
Warmth
Tender: needs days averaging 54°F or more, and no frost.
Chile pepper across the US, town by town
Bell pepperOutdoors Apr 25 to May 22, and Aug 8 to Aug 30; Under cover Mar 28 to Jun 19, and Jul 11 to Sep 27
Bell pepper growing on a plot
Sow outdoors
Apr 25 to May 22, and Aug 8 to Aug 30
Under cover
Mar 28 to Jun 19, and Jul 11 to Sep 27
First harvest
About 78 days after sowing. Sown on April 25, ready around July 12.
Warmth
Tender: needs days averaging 54°F or more, and no frost.
Bell pepper across the US, town by town
EggplantOutdoors Apr 25 to May 17, and Aug 8 to Aug 27; Under cover Mar 28 to Jun 14, and Jul 11 to Jul 30, and Aug 8 to Aug 27, and Sep 5 to Sep 24
Eggplant growing on a plot
Sow outdoors
Apr 25 to May 17, and Aug 8 to Aug 27
Under cover
Mar 28 to Jun 14, and Jul 11 to Jul 30, and Aug 8 to Aug 27, and Sep 5 to Sep 24
First harvest
About 90 days after sowing. Sown on April 25, ready around July 24.
Warmth
Tender: needs days averaging 54°F or more, and no frost.
Eggplant across the US, town by town
ZucchiniOutdoors Apr 19 to May 30, and Aug 8 to Sep 20; Under cover Mar 22 to Jun 27, and Jul 11 to Oct 18
Zucchini growing on a plot
Sow outdoors
Apr 19 to May 30, and Aug 8 to Sep 20
Under cover
Mar 22 to Jun 27, and Jul 11 to Oct 18
First harvest
About 53 days after sowing. Sown on April 19, ready around June 11.
Warmth
Tender: needs days averaging 54°F or more, and no frost.
Zucchini across the US, town by town
CucumberOutdoors Apr 19 to May 30, and Aug 8 to Sep 14; Under cover Mar 22 to Jun 27, and Jul 11 to Oct 12
Cucumber growing on a plot
Sow outdoors
Apr 19 to May 30, and Aug 8 to Sep 14
Under cover
Mar 22 to Jun 27, and Jul 11 to Oct 12
First harvest
About 60 days after sowing. Sown on April 19, ready around June 18.
Warmth
Tender: needs days averaging 54°F or more, and no frost.
Cucumber across the US, town by town
Winter squashOutdoors Apr 19 to May 22, and Aug 8 to Aug 31; Under cover Mar 22 to Jun 19, and Jul 11 to Sep 28
Winter squash growing on a plot
Sow outdoors
Apr 19 to May 22, and Aug 8 to Aug 31
Under cover
Mar 22 to Jun 19, and Jul 11 to Sep 28
First harvest
About 75 days after sowing. Sown on April 19, ready around July 3.
Warmth
Tender: needs days averaging 54°F or more, and no frost.
Winter squash across the US, town by town
Sweet cornOutdoors Apr 12 to May 22, and Aug 8 to Sep 2; Under cover Mar 15 to Jun 19, and Jul 11 to Sep 30
Sweet corn growing on a plot
Sow outdoors
Apr 12 to May 22, and Aug 8 to Sep 2
Under cover
Mar 15 to Jun 19, and Jul 11 to Sep 30
First harvest
About 77 days after sowing. Sown on April 12, ready around June 28.
Warmth
Tender: needs days averaging 52°F or more, and no frost.
Sweet corn across the US, town by town

Roots

CarrotOutdoors Jan 30 to Jun 5, and Aug 8 to Sep 25; Under cover Jan 2 to Oct 23
Carrot growing on a plot
Sow outdoors
Jan 30 to Jun 5, and Aug 8 to Sep 25
Under cover
Jan 2 to Oct 23
First harvest
About 115 days after sowing. Sown on January 30, ready around May 25.
Warmth
Hardy: grows once days average 45°F.
Carrot across the US, town by town
BeetOutdoors Jan 30 to Jun 7, and Aug 8 to Sep 29; Under cover Jan 2 to Oct 27
Beet growing on a plot
Sow outdoors
Jan 30 to Jun 7, and Aug 8 to Sep 29
Under cover
Jan 2 to Oct 27
First harvest
About 85 days after sowing. Sown on January 30, ready around April 25.
Warmth
Hardy: grows once days average 45°F.
Beet across the US, town by town
ParsnipOutdoors Aug 8 to Sep 16, and Dec 1 to May 2; Under cover Jul 11 to Oct 14, and Nov 3 to May 30
Parsnip growing on a plot
Sow outdoors
Aug 8 to Sep 16, and Dec 1 to May 2
Under cover
Jul 11 to Oct 14, and Nov 3 to May 30
First harvest
About 78 days after sowing. Sown on August 8, ready around October 25.
Warmth
Hardy: grows once days average 43°F.
Parsnip across the US, town by town
RadishOutdoors Jan 15 to Jun 21, and Jul 28 to Nov 9; Under cover Dec 18 to Dec 7
Radish growing on a plot
Sow outdoors
Jan 15 to Jun 21, and Jul 28 to Nov 9
Under cover
Dec 18 to Dec 7
First harvest
About 35 days after sowing. Sown on January 15, ready around February 19.
Warmth
Hardy: grows once days average 43°F; bolts in hot weather.
Radish across the US, town by town
PotatoOutdoors Aug 8 to Sep 26, and Dec 30 to Apr 6; Under cover Jul 11 to Oct 24, and Dec 2 to May 4
Potato growing on a plot
Plant outdoors
Aug 8 to Sep 26, and Dec 30 to Apr 6
Under cover
Jul 11 to Oct 24, and Dec 2 to May 4
First harvest
About 60 days after planting. Planted on August 8, ready around October 7.
Warmth
Hardy: grows once days average 43°F.
Potato across the US, town by town
TurnipOutdoors Jan 15 to Oct 14; Under cover Dec 18 to Nov 11
Turnip growing on a plot
Sow outdoors
Jan 15 to Oct 14
Under cover
Dec 18 to Nov 11
First harvest
About 78 days after sowing. Sown on January 15, ready around April 3.
Warmth
Hardy: grows once days average 43°F.
Turnip across the US, town by town

Leaves

LettuceOutdoors Jan 15 to Jun 3, and Aug 13 to Oct 13; Under cover Jul 16 to Nov 10, and Dec 18 to Jul 1
Lettuce growing on a plot
Sow outdoors
Jan 15 to Jun 3, and Aug 13 to Oct 13
Under cover
Jul 16 to Nov 10, and Dec 18 to Jul 1
First harvest
About 91 days after sowing. Sown on January 15, ready around April 16.
Warmth
Hardy: grows once days average 43°F; bolts in hot weather.
Lettuce across the US, town by town
SpinachOutdoors Jan 8 to Jun 3, and Aug 13 to Nov 23; Under cover Jul 16 to Jul 1
Spinach growing on a plot
Sow outdoors
Jan 8 to Jun 3, and Aug 13 to Nov 23
Under cover
Jul 16 to Jul 1
First harvest
About 27 days after sowing. Sown on January 8, ready around February 4.
Warmth
Hardy: grows once days average 43°F; bolts in hot weather.
Spinach across the US, town by town
Swiss chardOutdoors Jan 30 to Oct 14; Under cover Jan 2 to Nov 11
Swiss chard growing on a plot
Sow outdoors
Jan 30 to Oct 14
Under cover
Jan 2 to Nov 11
First harvest
About 73 days after sowing. Sown on January 30, ready around April 13.
Warmth
Hardy: grows once days average 45°F.
Swiss chard across the US, town by town
ArugulaOutdoors Jan 15 to Jun 3, and Aug 13 to Nov 16; Under cover Jul 16 to Jul 1
Arugula growing on a plot
Sow outdoors
Jan 15 to Jun 3, and Aug 13 to Nov 16
Under cover
Jul 16 to Jul 1
First harvest
About 52 days after sowing. Sown on January 15, ready around March 8.
Warmth
Hardy: grows once days average 43°F; bolts in hot weather.
Arugula across the US, town by town
CeleryOutdoors Aug 8 to Sep 28, and Nov 20 to Mar 23; Under cover Jul 11 to Apr 20
Celery growing on a plot
Sow outdoors
Aug 8 to Sep 28, and Nov 20 to Mar 23
Under cover
Jul 11 to Apr 20
First harvest
About 78 days after sowing. Sown on August 8, ready around October 25.
Warmth
Hardy: grows once days average 41°F.
Celery across the US, town by town

Beans and peas

Runner beanOutdoors Apr 12 to May 29, and Aug 8 to Sep 7; Under cover Mar 15 to Jun 26, and Jul 11 to Oct 5
Runner bean growing on a plot
Sow outdoors
Apr 12 to May 29, and Aug 8 to Sep 7
Under cover
Mar 15 to Jun 26, and Jul 11 to Oct 5
First harvest
About 73 days after sowing. Sown on April 12, ready around June 24.
Warmth
Tender: needs days averaging 52°F or more, and no frost.
Runner bean across the US, town by town
Green beanOutdoors Apr 12 to Jun 12, and Aug 8 to Sep 17; Under cover Mar 15 to Oct 15
Green bean growing on a plot
Sow outdoors
Apr 12 to Jun 12, and Aug 8 to Sep 17
Under cover
Mar 15 to Oct 15
First harvest
About 63 days after sowing. Sown on April 12, ready around June 14.
Warmth
Tender: needs days averaging 52°F or more, and no frost.
Green bean across the US, town by town
Fava beanOutdoors Oct 31 to Jan 14; Under cover Oct 3 to Feb 11
Fava bean growing on a plot
Sow outdoors
Oct 31 to Jan 14
Under cover
Oct 3 to Feb 11
First harvest
About 220 days after sowing. Sown on October 31, ready around June 8.
Warmth
Hardy: goes in as the weather cools, and grows on through winter.
Fava bean across the US, town by town
PeaOutdoors Jan 15 to May 17, and Aug 8 to Sep 22; Under cover Jul 11 to Oct 20, and Dec 18 to Jun 14
Pea growing on a plot
Sow outdoors
Jan 15 to May 17, and Aug 8 to Sep 22
Under cover
Jul 11 to Oct 20, and Dec 18 to Jun 14
First harvest
About 103 days after sowing. Sown on January 15, ready around April 28.
Warmth
Hardy: grows once days average 43°F; bolts in hot weather.
Pea across the US, town by town

Onion family

OnionOutdoors Aug 8 to Oct 7, and Oct 29 to Mar 23; Under cover Jul 11 to Apr 20
Onion growing on a plot
Plant outdoors
Aug 8 to Oct 7, and Oct 29 to Mar 23
Under cover
Jul 11 to Apr 20
First harvest
About 84 days after planting. Planted on August 8, ready around October 31.
Warmth
Hardy: grows once days average 43°F.
Onion across the US, town by town
GarlicOutdoors Oct 31 to Jan 14; Under cover Oct 3 to Feb 11
Garlic growing on a plot
Plant outdoors
Oct 31 to Jan 14
Under cover
Oct 3 to Feb 11
First harvest
About 250 days after planting. Planted on October 31, ready around July 8.
Warmth
Hardy: goes in as the weather cools, and grows on through winter.
Garlic across the US, town by town
LeekOutdoors Aug 8 to May 29; Under cover Jul 11 to Jun 26
Leek growing on a plot
Sow outdoors
Aug 8 to May 29
Under cover
Jul 11 to Jun 26
First harvest
About 90 days after sowing. Sown on August 8, ready around November 6.
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 8 to Sep 28, and Nov 20 to Mar 30; Under cover Jul 11 to Apr 27
Shallot growing on a plot
Plant outdoors
Aug 8 to Sep 28, and Nov 20 to Mar 30
Under cover
Jul 11 to Apr 27
First harvest
About 78 days after planting. Planted on August 8, ready around October 25.
Warmth
Hardy: grows once days average 41°F.
Shallot across the US, town by town

Brassicas

CabbageOutdoors Aug 8 to Oct 5, and Dec 7 to Jun 7; Under cover all year
Cabbage growing on a plot
Sow outdoors
Aug 8 to Oct 5, and Dec 7 to Jun 7
Under cover
all year
First harvest
About 66 days after sowing. Sown on August 8, ready around October 13.
Warmth
Hardy: grows once days average 43°F.
Cabbage across the US, town by town
BroccoliOutdoors Jan 30 to May 29, and Aug 8 to Sep 20; Under cover Jan 2 to Jun 26, and Jul 11 to Oct 18
Broccoli growing on a plot
Sow outdoors
Jan 30 to May 29, and Aug 8 to Sep 20
Under cover
Jan 2 to Jun 26, and Jul 11 to Oct 18
First harvest
About 106 days after sowing. Sown on January 30, ready around May 16.
Warmth
Hardy: grows once days average 45°F.
Broccoli across the US, town by town
CauliflowerOutdoors Aug 8 to Sep 16, and Dec 14 to May 17; Under cover Jul 11 to Oct 14, and Nov 16 to Jun 14
Cauliflower growing on a plot
Sow outdoors
Aug 8 to Sep 16, and Dec 14 to May 17
Under cover
Jul 11 to Oct 14, and Nov 16 to Jun 14
First harvest
About 72 days after sowing. Sown on August 8, ready around October 19.
Warmth
Hardy: grows once days average 43°F; bolts in hot weather.
Cauliflower across the US, town by town
Brussels sproutOutdoors Aug 8 to Apr 12; Under cover Jul 11 to May 10
Brussels sprout growing on a plot
Sow outdoors
Aug 8 to Apr 12
Under cover
Jul 11 to May 10
First harvest
About 108 days after sowing. Sown on August 8, ready around November 24.
Warmth
Hardy: grows once days average 43°F.
Brussels sprout across the US, town by town
KaleOutdoors Jan 30 to Jun 7, and Aug 8 to Sep 27; Under cover Jan 2 to Oct 25
Kale growing on a plot
Sow outdoors
Jan 30 to Jun 7, and Aug 8 to Sep 27
Under cover
Jan 2 to Oct 25
First harvest
About 95 days after sowing. Sown on January 30, ready around May 5.
Warmth
Hardy: grows once days average 45°F.
Kale across the US, town by town
Bok choyOutdoors Feb 28 to Jun 3, and Aug 13 to Oct 27; Under cover Jan 31 to Jul 1, and Jul 16 to Nov 24
Bok choy growing on a plot
Sow outdoors
Feb 28 to Jun 3, and Aug 13 to Oct 27
Under cover
Jan 31 to Jul 1, and Jul 16 to Nov 24
First harvest
About 50 days after sowing. Sown on February 28, ready around April 19.
Warmth
Hardy: grows once days average 46°F; bolts in hot weather.
Bok choy across the US, town by town

Herbs

BasilOutdoors Feb 28 to Jun 7, and Aug 8 to Sep 22; Under cover Jan 31 to Oct 20
Basil growing on a plot
Sow outdoors
Feb 28 to Jun 7, and Aug 8 to Sep 22
Under cover
Jan 31 to Oct 20
First harvest
About 70 days after sowing. Sown on February 28, ready around May 9.
Warmth
Tender: needs days averaging 46°F or more, and no frost.
Basil across the US, town by town
ParsleyOutdoors Dec 30 to Oct 26; Under cover Dec 2 to Nov 23
Parsley growing on a plot
Sow outdoors
Dec 30 to Oct 26
Under cover
Dec 2 to Nov 23
First harvest
About 45 days after sowing. Sown on December 30, ready around February 13.
Warmth
Hardy: grows once days average 43°F.
Parsley across the US, town by town
CilantroOutdoors Jan 30 to Jun 3, and Aug 13 to Oct 30; Under cover Jan 2 to Jul 1, and Jul 16 to Nov 27
Cilantro growing on a plot
Sow outdoors
Jan 30 to Jun 3, and Aug 13 to Oct 30
Under cover
Jan 2 to Jul 1, and Jul 16 to Nov 27
First harvest
About 61 days after sowing. Sown on January 30, ready around April 1.
Warmth
Hardy: grows once days average 45°F; bolts in hot weather.
Cilantro across the US, town by town
ChivesOutdoors Jan 15 to May 2, and Aug 8 to Sep 26; Under cover Jul 11 to Oct 24, and Dec 18 to May 30
Chives growing on a plot
Sow outdoors
Jan 15 to May 2, and Aug 8 to Sep 26
Under cover
Jul 11 to Oct 24, and Dec 18 to May 30
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 Jan 30 to Jan 1; Under cover all year
Mint growing on a plot
Sow outdoors
Jan 30 to Jan 1
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 Jan 11 to Apr 12, and Aug 8 to Sep 28; Under cover Jul 11 to Oct 26, and Dec 14 to May 10
Strawberry growing on a plot
Plant outdoors
Jan 11 to Apr 12, and Aug 8 to Sep 28
Under cover
Jul 11 to Oct 26, and Dec 14 to May 10
First harvest
Crops every year once it’s established.
Warmth
Hardy: grows once days average 43°F.
Strawberry across the US, town by town
RaspberryOutdoors Dec 2 to Jan 14; Under cover Nov 4 to Feb 11
Raspberry growing on a plot
Plant outdoors
Dec 2 to Jan 14
Under cover
Nov 4 to Feb 11
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 Santa Rosa

When is the last frost in Santa Rosa?

On average around January 21, and the first autumn frost comes around January 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 Santa Rosa?

Yes. Plant them outdoors Apr 20 to May 17, and Aug 8 to Aug 29, or under cover Mar 23 to Jun 14, and Jul 11 to Sep 26.

What can I sow in Santa Rosa in November?

Outdoors: radish, spinach, arugula, celery, fava bean, onion, garlic, leek, scallion, shallot, Brussels sprout, mint. Under cover: parsnip, turnip, lettuce, Swiss chard, cabbage, cauliflower, bok choy, parsley, cilantro, raspberry.

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 Santa Rosa. 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