California, US
Planting calendar for Concord
Frost is rare here, so sowing goes by warmth: tender crops like tomatoes go outdoors Apr 15 to May 21, and Aug 14 to Aug 26.
- Frost
- Frost is rare here
Frost comes in fewer than half of years, so there’s no last or first frost date to work from. Dates below go by how warm it is instead. On a clear, still winter night a light frost can still happen, so cover tender plants then.
Sow now: November
See the whole yearThe year at a glance
When each crop can be sown in Concord. Tap a crop for exact dates and when it’s ready to harvest.
Sow outdoorsSow under cover (indoors, a greenhouse or a cold frame)
| Crop | JJan | FFeb | MMar | AApr | MMay | JJun | JJul | AAug | SSep | OOct | NNov | DDec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fruiting | ||||||||||||
 Tomato | January: Not this month | February: Not this month | March: Sow under cover | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow under cover | July: Sow under cover | August: Sow outdoors and under cover | September: Sow under cover | October: Not this month | November: Not this month | December: Not this month |
 Chile pepper | January: Not this month | February: Not this month | March: Sow under cover | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow under cover | July: Sow under cover | August: Sow outdoors and under cover | September: Sow under cover | October: Not this month | November: Not this month | December: Not this month |
 Bell pepper | January: Not this month | February: Not this month | March: Sow under cover | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow under cover | July: Sow under cover | August: Sow outdoors and under cover | September: Sow under cover | October: Not this month | November: Not this month | December: Not this month |
 Eggplant | January: Not this month | February: Not this month | March: Sow under cover | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow under cover | July: Sow under cover | August: Sow outdoors and under cover | September: Sow under cover | October: Not this month | November: Not this month | December: Not this month |
 Zucchini | January: Not this month | February: Not this month | March: Sow under cover | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow under cover | November: Not this month | December: Not this month |
 Cucumber | January: Not this month | February: Not this month | March: Sow under cover | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow under cover | November: Not this month | December: Not this month |
 Winter squash | January: Not this month | February: Not this month | March: Sow under cover | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow under cover | July: Sow under cover | August: Sow outdoors and under cover | September: Sow under cover | October: Not this month | November: Not this month | December: Not this month |
 Sweet corn | January: Not this month | February: Not this month | March: Sow under cover | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow under cover | July: Sow under cover | August: Sow outdoors and under cover | September: Sow under cover | October: Not this month | November: Not this month | December: Not this month |
| Roots | ||||||||||||
 Carrot | January: Sow under cover | February: Sow outdoors and under cover | March: Sow outdoors and under cover | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow under cover | November: Not this month | December: Not this month |
 Beet | January: Sow under cover | February: Sow outdoors and under cover | March: Sow outdoors and under cover | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow under cover | November: Not this month | December: Not this month |
 Parsnip | January: Sow outdoors and under cover | February: Sow outdoors and under cover | March: Sow outdoors and under cover | April: Sow under cover | May: Not this month | June: Not this month | July: Sow under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow under cover | November: Sow under cover | December: Sow outdoors and under cover |
 Radish | January: Sow outdoors and under cover | February: Sow outdoors and under cover | March: Sow outdoors and under cover | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow outdoors and under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow outdoors and under cover | November: Sow outdoors and under cover | December: Sow under cover |
 Potato | January: Plant outdoors and under cover | February: Plant outdoors and under cover | March: Plant outdoors and under cover | April: Plant under cover | May: Not this month | June: Not this month | July: Plant under cover | August: Plant outdoors and under cover | September: Plant outdoors and under cover | October: Plant under cover | November: Not this month | December: Plant under cover |
 Turnip | January: Sow outdoors and under cover | February: Sow outdoors and under cover | March: Sow outdoors and under cover | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow outdoors and under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow outdoors and under cover | November: Sow under cover | December: Sow under cover |
| Leaves | ||||||||||||
 Lettuce | January: Sow outdoors and under cover | February: Sow outdoors and under cover | March: Sow outdoors and under cover | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow outdoors and under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow outdoors and under cover | November: Sow under cover | December: Sow under cover |
 Spinach | January: Sow outdoors and under cover | February: Sow outdoors and under cover | March: Sow outdoors and under cover | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow outdoors and under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow outdoors and under cover | November: Sow outdoors and under cover | December: Sow under cover |
 Swiss chard | January: Sow under cover | February: Sow outdoors and under cover | March: Sow outdoors and under cover | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow outdoors and under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow outdoors and under cover | November: Sow under cover | December: Not this month |
 Arugula | January: Sow outdoors and under cover | February: Sow outdoors and under cover | March: Sow outdoors and under cover | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow outdoors and under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow outdoors and under cover | November: Sow outdoors and under cover | December: Sow under cover |
 Celery | January: Sow outdoors and under cover | February: Sow outdoors and under cover | March: Sow outdoors and under cover | April: Sow under cover | May: Not this month | June: Not this month | July: Sow under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow under cover | November: Sow outdoors and under cover | December: Sow outdoors and under cover |
| Beans and peas | ||||||||||||
 Runner bean | January: Not this month | February: Not this month | March: Sow under cover | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow under cover | August: Sow outdoors and under cover | September: Sow under cover | October: Not this month | November: Not this month | December: Not this month |
 Green bean | January: Not this month | February: Not this month | March: Sow under cover | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow under cover | November: Not this month | December: Not this month |
 Fava bean | January: Sow outdoors and under cover | February: Sow under cover | March: Not this month | April: Not this month | May: Not this month | June: Not this month | July: Not this month | August: Not this month | September: Not this month | October: Sow under cover | November: Sow outdoors and under cover | December: Sow outdoors and under cover |
 Pea | January: Sow outdoors and under cover | February: Sow outdoors and under cover | March: Sow outdoors and under cover | April: Sow outdoors and under cover | May: Sow under cover | June: Not this month | July: Sow under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow under cover | November: Not this month | December: Sow under cover |
| Onion family | ||||||||||||
 Onion | January: Plant outdoors and under cover | February: Plant outdoors and under cover | March: Plant outdoors and under cover | April: Not this month | May: Not this month | June: Not this month | July: Plant under cover | August: Plant outdoors and under cover | September: Plant outdoors and under cover | October: Plant outdoors and under cover | November: Plant outdoors and under cover | December: Plant outdoors and under cover |
 Garlic | January: Plant outdoors and under cover | February: Plant under cover | March: Not this month | April: Not this month | May: Not this month | June: Not this month | July: Not this month | August: Not this month | September: Not this month | October: Plant under cover | November: Plant outdoors and under cover | December: Plant outdoors and under cover |
 Leek | January: Sow outdoors and under cover | February: Sow outdoors and under cover | March: Sow outdoors and under cover | April: Sow outdoors and under cover | May: Sow under cover | June: Not this month | July: Sow under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow outdoors and under cover | November: Sow outdoors and under cover | December: Sow outdoors and under cover |
 Scallion | January: Sow outdoors and under cover | February: Sow outdoors and under cover | March: Sow outdoors and under cover | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow outdoors and under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow outdoors and under cover | November: Sow outdoors and under cover | December: Sow outdoors and under cover |
 Shallot | January: Plant outdoors and under cover | February: Plant outdoors and under cover | March: Plant outdoors and under cover | April: Plant under cover | May: Not this month | June: Not this month | July: Plant under cover | August: Plant outdoors and under cover | September: Plant outdoors and under cover | October: Plant under cover | November: Plant outdoors and under cover | December: Plant outdoors and under cover |
| Brassicas | ||||||||||||
 Cabbage | January: Sow outdoors and under cover | February: Sow outdoors and under cover | March: Sow outdoors and under cover | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow under cover | July: Sow under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow under cover | November: Sow under cover | December: Sow outdoors and under cover |
 Broccoli | January: Sow under cover | February: Sow outdoors and under cover | March: Sow outdoors and under cover | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow under cover | November: Not this month | December: Not this month |
 Cauliflower | January: Sow outdoors and under cover | February: Sow outdoors and under cover | March: Sow outdoors and under cover | April: Sow outdoors and under cover | May: Sow under cover | June: Not this month | July: Sow under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow under cover | November: Sow under cover | December: Sow outdoors and under cover |
 Brussels sprout | January: Sow outdoors and under cover | February: Sow outdoors and under cover | March: Sow outdoors and under cover | April: Sow under cover | May: Not this month | June: Not this month | July: Sow under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow outdoors and under cover | November: Sow outdoors and under cover | December: Sow outdoors and under cover |
 Kale | January: Sow under cover | February: Sow outdoors and under cover | March: Sow outdoors and under cover | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow under cover | November: Not this month | December: Not this month |
 Bok choy | January: Not this month | February: Sow under cover | March: Sow outdoors and under cover | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow outdoors and under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow outdoors and under cover | November: Sow under cover | December: Not this month |
| Herbs | ||||||||||||
 Basil | January: Not this month | February: Sow under cover | March: Sow outdoors and under cover | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow under cover | November: Not this month | December: Not this month |
 Parsley | January: Sow outdoors and under cover | February: Sow outdoors and under cover | March: Sow outdoors and under cover | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow outdoors and under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow outdoors and under cover | November: Sow under cover | December: Sow under cover |
 Cilantro | January: Sow under cover | February: Sow outdoors and under cover | March: Sow outdoors and under cover | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow outdoors and under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow outdoors and under cover | November: Sow under cover | December: Not this month |
 Chives | January: Sow outdoors and under cover | February: Sow outdoors and under cover | March: Sow outdoors and under cover | April: Sow under cover | May: Not this month | June: Not this month | July: Sow under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow under cover | November: Not this month | December: Sow under cover |
 Mint | January: Sow under cover | February: Sow outdoors and under cover | March: Sow outdoors and under cover | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow outdoors and under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow outdoors and under cover | November: Sow outdoors and under cover | December: Sow outdoors and under cover |
| Fruit | ||||||||||||
 Strawberry | January: Plant outdoors and under cover | February: Plant outdoors and under cover | March: Plant outdoors and under cover | April: Plant under cover | May: Not this month | June: Not this month | July: Plant under cover | August: Plant outdoors and under cover | September: Plant outdoors and under cover | October: Plant under cover | November: Not this month | December: Plant under cover |
 Raspberry | January: Plant outdoors and under cover | February: Plant under cover | March: Not this month | April: Not this month | May: Not this month | June: Not this month | July: Not this month | August: Not this month | September: Not this month | October: Not this month | November: Plant under cover | December: Plant outdoors and under cover |
 RhubarbWinters too mild here | January: Not this month | February: Not this month | March: Not this month | April: Not this month | May: Not this month | June: Not this month | July: Not this month | August: Not this month | September: Not this month | October: Not this month | November: Not this month | December: Not this month |
Fruit rows show when to plant, not sow.
Crop by crop
Fruiting
TomatoOutdoors Apr 15 to May 21, and Aug 14 to Aug 26; Under cover Mar 18 to Jun 18, and Jul 17 to Jul 29, and Aug 14 to Aug 26, and Sep 11 to Sep 23
- Sow outdoors
- Apr 15 to May 21, and Aug 14 to Aug 26
- Under cover
- Mar 18 to Jun 18, and Jul 17 to Jul 29, and Aug 14 to Aug 26, and Sep 11 to Sep 23
- First harvest
- About 82 days after sowing. Sown on April 15, ready around July 6.
- Warmth
- Tender: needs days averaging 54°F or more, and no frost.
Chile pepperOutdoors Apr 14 to May 21, and Aug 14 to Aug 24; Under cover Mar 17 to Jun 18, and Jul 17 to Jul 27, and Aug 14 to Aug 24, and Sep 11 to Sep 21
- Sow outdoors
- Apr 14 to May 21, and Aug 14 to Aug 24
- Under cover
- Mar 17 to Jun 18, and Jul 17 to Jul 27, and Aug 14 to Aug 24, and Sep 11 to Sep 21
- First harvest
- About 84 days after sowing. Sown on April 14, ready around July 7.
- Warmth
- Tender: needs days averaging 54°F or more, and no frost.
Bell pepperOutdoors Apr 21 to May 27, and Aug 14 to Aug 27; Under cover Mar 24 to Jun 24, and Jul 17 to Jul 30, and Aug 14 to Aug 27, and Sep 11 to Sep 24
- Sow outdoors
- Apr 21 to May 27, and Aug 14 to Aug 27
- Under cover
- Mar 24 to Jun 24, and Jul 17 to Jul 30, and Aug 14 to Aug 27, and Sep 11 to Sep 24
- First harvest
- About 78 days after sowing. Sown on April 21, ready around July 8.
- Warmth
- Tender: needs days averaging 54°F or more, and no frost.
EggplantOutdoors Apr 21 to May 21, and Aug 14 to Aug 24; Under cover Mar 24 to Jun 18, and Jul 17 to Jul 27, and Aug 14 to Aug 24, and Sep 11 to Sep 21
- Sow outdoors
- Apr 21 to May 21, and Aug 14 to Aug 24
- Under cover
- Mar 24 to Jun 18, and Jul 17 to Jul 27, and Aug 14 to Aug 24, and Sep 11 to Sep 21
- First harvest
- About 90 days after sowing. Sown on April 21, ready around July 20.
- Warmth
- Tender: needs days averaging 54°F or more, and no frost.
ZucchiniOutdoors Apr 14 to Jun 8, and Aug 14 to Sep 19; Under cover Mar 17 to Jul 6, and Jul 17 to Oct 17
- Sow outdoors
- Apr 14 to Jun 8, and Aug 14 to Sep 19
- Under cover
- Mar 17 to Jul 6, and Jul 17 to Oct 17
- First harvest
- About 57 days after sowing. Sown on April 14, ready around June 10.
- Warmth
- Tender: needs days averaging 54°F or more, and no frost.
CucumberOutdoors Apr 14 to Jun 8, and Aug 14 to Sep 13; Under cover Mar 17 to Jul 6, and Jul 17 to Oct 11
- Sow outdoors
- Apr 14 to Jun 8, and Aug 14 to Sep 13
- Under cover
- Mar 17 to Jul 6, and Jul 17 to Oct 11
- First harvest
- About 65 days after sowing. Sown on April 14, ready around June 18.
- Warmth
- Tender: needs days averaging 54°F or more, and no frost.
Winter squashOutdoors Apr 14 to May 27, and Aug 14 to Aug 28; Under cover Mar 17 to Jun 24, and Jul 17 to Jul 31, and Aug 14 to Aug 28, and Sep 11 to Sep 25
- Sow outdoors
- Apr 14 to May 27, and Aug 14 to Aug 28
- Under cover
- Mar 17 to Jun 24, and Jul 17 to Jul 31, and Aug 14 to Aug 28, and Sep 11 to Sep 25
- First harvest
- About 83 days after sowing. Sown on April 14, ready around July 6.
- Warmth
- Tender: needs days averaging 54°F or more, and no frost.
Sweet cornOutdoors Apr 7 to May 27, and Aug 14 to Aug 30; Under cover Mar 10 to Jun 24, and Jul 17 to Aug 2, and Aug 14 to Aug 30, and Sep 11 to Sep 27
- Sow outdoors
- Apr 7 to May 27, and Aug 14 to Aug 30
- Under cover
- Mar 10 to Jun 24, and Jul 17 to Aug 2, and Aug 14 to Aug 30, and Sep 11 to Sep 27
- First harvest
- About 84 days after sowing. Sown on April 7, ready around June 30.
- Warmth
- Tender: needs days averaging 52°F or more, and no frost.
Roots
CarrotOutdoors Feb 1 to Jun 17, and Aug 14 to Sep 23; Under cover Jan 4 to Oct 21
- Sow outdoors
- Feb 1 to Jun 17, and Aug 14 to Sep 23
- Under cover
- Jan 4 to Oct 21
- First harvest
- About 113 days after sowing. Sown on February 1, ready around May 25.
- Warmth
- Hardy: grows once days average 45°F.
BeetOutdoors Feb 1 to Jun 21, and Aug 14 to Sep 28; Under cover Jan 4 to Oct 26
- Sow outdoors
- Feb 1 to Jun 21, and Aug 14 to Sep 28
- Under cover
- Jan 4 to Oct 26
- First harvest
- About 81 days after sowing. Sown on February 1, ready around April 23.
- Warmth
- Hardy: grows once days average 45°F.
ParsnipOutdoors Aug 14 to Sep 14, and Dec 3 to Apr 2; Under cover Jul 17 to Oct 12, and Nov 5 to Apr 30
- Sow outdoors
- Aug 14 to Sep 14, and Dec 3 to Apr 2
- Under cover
- Jul 17 to Oct 12, and Nov 5 to Apr 30
- First harvest
- About 78 days after sowing. Sown on August 14, ready around October 31.
- Warmth
- Hardy: grows once days average 43°F.
RadishOutdoors Jan 16 to Nov 9; Under cover Dec 19 to Dec 7
- Sow outdoors
- Jan 16 to Nov 9
- Under cover
- Dec 19 to Dec 7
- First harvest
- About 35 days after sowing. Sown on January 16, ready around February 20.
- Warmth
- Hardy: grows once days average 43°F; bolts in hot weather.
PotatoOutdoors Aug 14 to Sep 24, and Dec 30 to Mar 12; Under cover Jul 17 to Oct 22, and Dec 2 to Apr 9
- Plant outdoors
- Aug 14 to Sep 24, and Dec 30 to Mar 12
- Under cover
- Jul 17 to Oct 22, and Dec 2 to Apr 9
- First harvest
- About 60 days after planting. Planted on August 14, ready around October 13.
- Warmth
- Hardy: grows once days average 43°F.
TurnipOutdoors Jan 16 to Oct 14; Under cover Dec 19 to Nov 11
- Sow outdoors
- Jan 16 to Oct 14
- Under cover
- Dec 19 to Nov 11
- First harvest
- About 76 days after sowing. Sown on January 16, ready around April 2.
- Warmth
- Hardy: grows once days average 43°F.
Leaves
LettuceOutdoors Jan 16 to Oct 12; Under cover Dec 19 to Nov 9
- Sow outdoors
- Jan 16 to Oct 12
- Under cover
- Dec 19 to Nov 9
- First harvest
- About 88 days after sowing. Sown on January 16, ready around April 14.
- Warmth
- Hardy: grows once days average 43°F; bolts in hot weather.
SpinachOutdoors Jan 9 to Nov 20; Under cover all year
- Sow outdoors
- Jan 9 to Nov 20
- Under cover
- all year
- First harvest
- About 27 days after sowing. Sown on January 9, ready around February 5.
- Warmth
- Hardy: grows once days average 43°F; bolts in hot weather.
Swiss chardOutdoors Feb 1 to Oct 14; Under cover Jan 4 to Nov 11
- Sow outdoors
- Feb 1 to Oct 14
- Under cover
- Jan 4 to Nov 11
- First harvest
- About 70 days after sowing. Sown on February 1, ready around April 12.
- Warmth
- Hardy: grows once days average 45°F.
ArugulaOutdoors Jan 16 to Nov 15; Under cover all year
- Sow outdoors
- Jan 16 to Nov 15
- Under cover
- all year
- First harvest
- About 51 days after sowing. Sown on January 16, ready around March 8.
- Warmth
- Hardy: grows once days average 43°F; bolts in hot weather.
CeleryOutdoors Aug 14 to Sep 28, and Nov 20 to Mar 16; Under cover Jul 17 to Apr 13
- Sow outdoors
- Aug 14 to Sep 28, and Nov 20 to Mar 16
- Under cover
- Jul 17 to Apr 13
- First harvest
- About 78 days after sowing. Sown on August 14, ready around October 31.
- Warmth
- Hardy: grows once days average 41°F.
Beans and peas
Runner beanOutdoors Apr 7 to Jun 8, and Aug 14 to Sep 4; Under cover Mar 10 to Jul 6, and Jul 17 to Oct 2
- Sow outdoors
- Apr 7 to Jun 8, and Aug 14 to Sep 4
- Under cover
- Mar 10 to Jul 6, and Jul 17 to Oct 2
- First harvest
- About 80 days after sowing. Sown on April 7, ready around June 26.
- Warmth
- Tender: needs days averaging 52°F or more, and no frost.
Green beanOutdoors Apr 7 to Jun 21, and Aug 14 to Sep 16; Under cover Mar 10 to Oct 14
- Sow outdoors
- Apr 7 to Jun 21, and Aug 14 to Sep 16
- Under cover
- Mar 10 to Oct 14
- First harvest
- About 67 days after sowing. Sown on April 7, ready around June 13.
- Warmth
- Tender: needs days averaging 52°F or more, and no frost.
Fava beanOutdoors Nov 1 to Jan 15; Under cover Oct 4 to Feb 12
- Sow outdoors
- Nov 1 to Jan 15
- Under cover
- Oct 4 to Feb 12
- First harvest
- About 220 days after sowing. Sown on November 1, ready around June 9.
- Warmth
- Hardy: goes in as the weather cools, and grows on through winter.
PeaOutdoors Jan 15 to Apr 17, and Aug 14 to Sep 20; Under cover Jul 17 to Oct 18, and Dec 18 to May 15
- Sow outdoors
- Jan 15 to Apr 17, and Aug 14 to Sep 20
- Under cover
- Jul 17 to Oct 18, and Dec 18 to May 15
- First harvest
- About 48 days after sowing. Sown on January 15, ready around March 4.
- Warmth
- Hardy: grows once days average 43°F; bolts in hot weather.
Onion family
OnionOutdoors Aug 14 to Mar 7; Under cover Jul 17 to Apr 4
- Plant outdoors
- Aug 14 to Mar 7
- Under cover
- Jul 17 to Apr 4
- First harvest
- About 84 days after planting. Planted on August 14, ready around November 6.
- Warmth
- Hardy: grows once days average 43°F.
GarlicOutdoors Nov 1 to Jan 15; Under cover Oct 4 to Feb 12
- Plant outdoors
- Nov 1 to Jan 15
- Under cover
- Oct 4 to Feb 12
- First harvest
- About 250 days after planting. Planted on November 1, ready around July 9.
- Warmth
- Hardy: goes in as the weather cools, and grows on through winter.
LeekOutdoors Aug 14 to May 2; Under cover Jul 17 to May 30
- Sow outdoors
- Aug 14 to May 2
- Under cover
- Jul 17 to May 30
- First harvest
- About 90 days after sowing. Sown on August 14, ready around November 12.
- Warmth
- Hardy: grows once days average 43°F.
ScallionOutdoors all year
- 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.
ShallotOutdoors Aug 14 to Sep 28, and Nov 20 to Mar 30; Under cover Jul 17 to Apr 27
- Plant outdoors
- Aug 14 to Sep 28, and Nov 20 to Mar 30
- Under cover
- Jul 17 to Apr 27
- First harvest
- About 78 days after planting. Planted on August 14, ready around October 31.
- Warmth
- Hardy: grows once days average 41°F.
Brassicas
CabbageOutdoors Aug 14 to Oct 4, and Dec 7 to May 17; Under cover Jul 17 to Jun 14
- Sow outdoors
- Aug 14 to Oct 4, and Dec 7 to May 17
- Under cover
- Jul 17 to Jun 14
- First harvest
- About 66 days after sowing. Sown on August 14, ready around October 19.
- Warmth
- Hardy: grows once days average 43°F.
BroccoliOutdoors Feb 1 to Jun 8, and Aug 14 to Sep 18; Under cover Jan 4 to Jul 6, and Jul 17 to Oct 16
- Sow outdoors
- Feb 1 to Jun 8, and Aug 14 to Sep 18
- Under cover
- Jan 4 to Jul 6, and Jul 17 to Oct 16
- First harvest
- About 103 days after sowing. Sown on February 1, ready around May 15.
- Warmth
- Hardy: grows once days average 45°F.
CauliflowerOutdoors Aug 14 to Sep 14, and Dec 15 to Apr 17; Under cover Jul 17 to Oct 12, and Nov 17 to May 15
- Sow outdoors
- Aug 14 to Sep 14, and Dec 15 to Apr 17
- Under cover
- Jul 17 to Oct 12, and Nov 17 to May 15
- First harvest
- About 72 days after sowing. Sown on August 14, ready around October 25.
- Warmth
- Hardy: grows once days average 43°F; bolts in hot weather.
Brussels sproutOutdoors Aug 14 to Mar 17; Under cover Jul 17 to Apr 14
- Sow outdoors
- Aug 14 to Mar 17
- Under cover
- Jul 17 to Apr 14
- First harvest
- About 108 days after sowing. Sown on August 14, ready around November 30.
- Warmth
- Hardy: grows once days average 43°F.
KaleOutdoors Feb 1 to Jun 21, and Aug 14 to Sep 26; Under cover Jan 4 to Oct 24
- Sow outdoors
- Feb 1 to Jun 21, and Aug 14 to Sep 26
- Under cover
- Jan 4 to Oct 24
- First harvest
- About 92 days after sowing. Sown on February 1, ready around May 4.
- Warmth
- Hardy: grows once days average 45°F.
Bok choyOutdoors Feb 25 to Oct 27; Under cover Jan 28 to Nov 24
- Sow outdoors
- Feb 25 to Oct 27
- Under cover
- Jan 28 to Nov 24
- First harvest
- About 49 days after sowing. Sown on February 25, ready around April 15.
- Warmth
- Hardy: grows once days average 46°F; bolts in hot weather.
Herbs
BasilOutdoors Feb 25 to Jun 21, and Aug 14 to Sep 21; Under cover Jan 28 to Oct 19
- Sow outdoors
- Feb 25 to Jun 21, and Aug 14 to Sep 21
- Under cover
- Jan 28 to Oct 19
- First harvest
- About 69 days after sowing. Sown on February 25, ready around May 5.
- Warmth
- Tender: needs days averaging 46°F or more, and no frost.
ParsleyOutdoors Dec 29 to Oct 24; Under cover Dec 1 to Nov 21
- Sow outdoors
- Dec 29 to Oct 24
- Under cover
- Dec 1 to Nov 21
- First harvest
- About 45 days after sowing. Sown on December 29, ready around February 12.
- Warmth
- Hardy: grows once days average 43°F.
CilantroOutdoors Feb 1 to Oct 29; Under cover Jan 4 to Nov 26
- Sow outdoors
- Feb 1 to Oct 29
- Under cover
- Jan 4 to Nov 26
- First harvest
- About 59 days after sowing. Sown on February 1, ready around April 1.
- Warmth
- Hardy: grows once days average 45°F; bolts in hot weather.
ChivesOutdoors Jan 15 to Apr 2, and Aug 14 to Sep 24; Under cover Jul 17 to Oct 22, and Dec 18 to Apr 30
- Sow outdoors
- Jan 15 to Apr 2, and Aug 14 to Sep 24
- Under cover
- Jul 17 to Oct 22, and Dec 18 to Apr 30
- First harvest
- Crops every year once it’s established.
- Warmth
- Hardy: grows once days average 43°F.
MintOutdoors Feb 1 to Dec 30; Under cover all year
- Sow outdoors
- Feb 1 to Dec 30
- Under cover
- all year
- First harvest
- Crops every year once it’s established.
- Warmth
- Hardy: grows once days average 45°F.
Fruit
StrawberryOutdoors Jan 10 to Mar 17, and Aug 14 to Sep 26; Under cover Jul 17 to Oct 24, and Dec 13 to Apr 14
- Plant outdoors
- Jan 10 to Mar 17, and Aug 14 to Sep 26
- Under cover
- Jul 17 to Oct 24, and Dec 13 to Apr 14
- First harvest
- Crops every year once it’s established.
- Warmth
- Hardy: grows once days average 43°F.
RaspberryOutdoors Dec 4 to Jan 15; Under cover Nov 6 to Feb 12
- Plant outdoors
- Dec 4 to Jan 15
- Under cover
- Nov 6 to Feb 12
- First harvest
- Crops every year once it’s established.
- Warmth
- Hardy: goes in as the weather cools, and grows on through winter.
RhubarbNot here: winters too mild here
- 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.
Questions about growing in Concord
Does it frost in Concord?
Not often: frost comes in fewer than half of years, so sowing here goes by warmth rather than frost dates. A light frost can still happen on a clear, still winter night.
Can I grow tomatoes outdoors in Concord?
Yes. Plant them outdoors Apr 15 to May 21, and Aug 14 to Aug 26, or under cover Mar 18 to Jun 18, and Jul 17 to Jul 29, and Aug 14 to Aug 26, and Sep 11 to Sep 23.
What can I sow in Concord 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 Concord. Free for 2 months.
App StoreComing soonHow 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