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Planting Calendar for Contoocook, NH

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The planting calendar below tells you when to plant in the SPRING and also plant in the FALL, based on your zip code or postal code.

Spring Planting Calendar

Our spring planting calendar starts with the very first dates that you can plant (based on the last spring frost). But if you've missed these dates, no worries! This is why we've added "last planting dates" to our spring calendar; this is meant to help new gardeners understand that if they missed the first spring planting window, they could still get crops in the ground.

In fact, many crops with short maturity times (such as radishes) can be succession planted all the way through the summer in northern areas. However, note that some cool-season crops, such as kale and lettuce, do not grow well in hot temperatures, which can cause bolting issues.  For some gardeners, especially in the South, a break to avoid summer heat is needed, but they can start once the heat has passed. 

The dates provided are based on the number of weeks before or after frost, so we can provide a unique calendar to every user in the country. Thus, several crops (especially similar crops) may appear to have the same date. Kale and lettuce, for example, or dates for starting seeds, like broccoli and cabbage. 

Fall Planting Calendar

When we say "fall," we really mean planting in summer in time for a fall harvest. Think of this as a second summer! It's easy to keep the crops going if you've already prepared the soil! 

Many crops that would be started indoors for a spring crop can just be plunked into the soil directly for a fall crop. Not only is the soil already warm but also there are less pests and it tends to be rainier so you don't need to water as often. Some fall vegetables need to be harvested by the first frost, but many are frost-tolerant and even taste better after a kiss of fall frost!

See each plant's individual Growing Guide for more specific planting, plant care, and harvesting information.

Specifically, on the charts, there are different columns labeled as follows:

  1. Start Seeds Indoors: When to sow seeds indoors to get an early start on the season.
  2. Plant Seedlings Outdoors: When to put small seedlings that you grew indoors (OR starter plants that you bought at a garden nursery) in the outdoor soil.
  3. Start Seeds Outdoors: When to plant seeds directly into the outdoor soil.
  4. Last Date to Plant: You may plant any time from the "start seeds" dates until this "last date." Don't wait any longer, or the crop won't have time to get to harvest before fall/winter frosts.

The "Moon Dates" indicate the best planting dates based on Moon phases. You can learn more about this age-old technique below.

When N/A appears in the chart, that starting method is typically not recommended, although it is likely still possible. 

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Planting Dates for Spring

On average, your last spring frost occurs on May 12 (at HOPKINTON LAKE, NH climate station, elevation 429 feet).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds IndoorsPlant Seedlings
or Transplants
Start Seeds OutdoorsLast Date to Plant
ArugulaFrost Mar 17-31
Moon Mar 17-25
Frost Apr 21-May 5
Moon Apr 21-23
Frost Apr 14-21
Moon Apr 14-21
Aug 31
AsparagusN/AN/AFrost Apr 28-May 12
Moon Apr 28-May 6
May 12
BasilFrost Mar 31-Apr 14
Moon Apr 8-14
Frost May 26-Jun 9
Moon Jun 6-9
Frost May 26-Jun 9
Moon Jun 6-9
Aug 17
BeetsN/AFrost Apr 28-May 12
Moon Apr 28-May 6
Frost Apr 14-21
May 26
Bell PeppersFrost Mar 2-17
Frost May 26-Jun 2
N/AJul 6
Bok ChoyFrost Mar 31-Apr 14
Moon Apr 8-14
Frost May 26-Jun 2
Frost May 26-Jun 2
Jun 23
BroccoliFrost Mar 17-31
Moon Mar 17-25
Frost Apr 28-May 12
Moon May 7-12
Frost Apr 14-21
Moon Apr 14-21
Jul 27
Brussels SproutsFrost Mar 31-Apr 14
Moon Apr 8-14
Frost Apr 28-May 12
Moon May 7-12
Frost Apr 14-21
Moon Apr 14-21
Jun 22
CabbageFrost Mar 17-31
Moon Mar 17-25
Frost Apr 28-May 12
Moon May 7-12
Frost Apr 14-21
Moon Apr 14-21
Jun 15
CantaloupesFrost Apr 21-May 5
Moon Apr 21-23
Frost May 12-26
Moon May 12-23
Frost May 19-26
Moon May 19-23
Jun 22
CarrotsN/AN/AFrost Apr 14-28
Moon Apr 24-28
Jul 20
CauliflowerFrost Mar 31-Apr 14
Moon Apr 8-14
Frost May 5-19
Moon May 7-19
N/AJul 20
CeleryFrost Feb 17-Mar 2
Moon Feb 17-24
Frost May 19-Jun 2
Moon May 19-23
Frost May 12
Moon May 12
Jul 20
ChivesFrost Mar 17-31
Moon Mar 17-25
Frost Apr 21-28
Moon Apr 21-23
Frost Apr 21-28
Moon Apr 21-23
Aug 3
Cilantro (Coriander)N/AN/AFrost May 12-26
Moon May 12-23
Jun 2
CollardsFrost Mar 31-Apr 14
Moon Apr 8-14
Frost Apr 28-May 12
Moon May 7-12
Frost Apr 21-28
Moon Apr 21-23
Jul 20
CucumbersFrost Apr 21-28
Moon Apr 21-23
Frost May 19-Jun 2
Moon May 19-23
Frost May 26-Jun 2
Jul 20
DillN/AN/AFrost May 5-26
Moon May 7-23
Aug 3
Dry BeansN/AN/AFrost May 26-Jun 2
Jun 22
EggplantsFrost Mar 17-31
Moon Mar 17-25
Frost May 26-Jun 2
N/AJul 20
Fava BeansN/AN/AFrost Apr 14-21
Moon Apr 14-21
May 26
FennelFrost Mar 31-Apr 14
Moon Apr 8-14
Frost May 19-26
Moon May 19-23
Frost May 12-26
Moon May 12-23
Jul 13
GarlicN/AN/AN/A
Green BeansN/AN/AFrost May 19-Jun 9
Moon May 19-23, Jun 6-9
Jul 20
Honeydew MelonsFrost Apr 21-28
Moon Apr 21-23
Frost May 26-Jun 2
Frost May 26-Jun 2
Jun 29
Jalapeño PeppersFrost Mar 2-17
Frost May 26-Jun 2
N/A
KaleFrost Mar 17-31
Moon Mar 17-25
Frost Apr 28-May 12
Moon May 7-12
Frost Apr 14-21
Moon Apr 14-21
May 26
KohlrabiFrost Mar 31-Apr 14
Moon Apr 8-14
Frost Apr 21-28
Moon Apr 21-23
Frost Apr 14-21
Moon Apr 14-21
May 26
LeeksFrost Mar 2-17
Frost Apr 21-May 5
Moon Apr 21-23
N/AJun 15
LettuceFrost Mar 31-Apr 14
Moon Apr 8-14
Frost Apr 21-28
Moon Apr 21-23
Frost Apr 14-21
Moon Apr 14-21
May 26
Mustard GreensN/AN/AN/A
OkraFrost Apr 14-28
Moon Apr 14-23
Frost May 26-Jun 2
Frost May 26-Jun 9
Moon Jun 6-9
Jul 20
OnionsN/AFrost Apr 14-28
Moon Apr 24-28
N/AJun 22
OreganoFrost Mar 2-31
Moon Mar 18-25
Frost May 19-Jun 2
Moon May 19-23
N/AJul 20
ParsleyFrost Mar 2-17
Frost May 19-Jun 2
Moon May 19-23
Frost Apr 14-May 19
Moon Apr 14-23, May 7-19
Jul 13
ParsnipsN/AN/AFrost Apr 14-21
Jun 22
PeanutsN/AN/AFrost Jun 2-16
Moon Jun 2-5
PeasN/AN/AFrost Apr 14-21
Moon Apr 14-21
May 26
PotatoesN/AN/AFrost Apr 14-28
Moon Apr 24-28
Jul 20
PumpkinsFrost Apr 21-May 5
Moon Apr 21-23
Frost May 26-Jun 2
Frost May 26-Jun 2
Jun 15
RadishesN/AN/AFrost Apr 14-21
Aug 3
RosemaryFrost Feb 17-Mar 2
Moon Feb 17-24
Frost May 26-Jun 2
N/AAug 3
SageFrost Mar 17-31
Moon Mar 17-25
Frost May 19-Jun 2
Moon May 19-23
N/AJul 13
SalsifyN/AN/AFrost Apr 14-28
Moon Apr 24-28
Jun 22
SpinachFrost Mar 31-Apr 14
Moon Apr 8-14
Frost Apr 21-28
Moon Apr 21-23
Frost Apr 14-21
Moon Apr 14-21
May 26
Sweet CornN/AN/AFrost May 26-Jun 9
Moon Jun 6-9
Jul 13
Sweet PotatoesN/AN/AFrost May 26-Jun 9
Moon May 26-Jun 5
Jun 15
Swiss ChardFrost Mar 31-Apr 14
Moon Apr 8-14
Frost Apr 28-May 12
Moon May 7-12
Frost Apr 21-May 12
Moon Apr 21-23, May 7-12
May 26
ThymeFrost Mar 2-17
Frost May 19-26
Moon May 19-23
N/AJul 6
TomatillosFrost Mar 31-Apr 14
Moon Apr 8-14
Frost May 26-Jun 9
Moon Jun 6-9
N/AJul 13
TomatoesFrost Mar 17-31
Moon Mar 17-25
Frost May 26-Jun 2
N/AJun 29
TurnipsN/AN/AFrost Apr 14-21
Aug 31
WatermelonsFrost Apr 21-May 5
Moon Apr 21-23
Frost May 26-Jun 2
Frost May 19-26
Moon May 19-23
Jun 29
Winter SquashFrost Apr 21-28
Moon Apr 21-23
Frost May 19-Jun 2
Moon May 19-23
Frost May 26-Jun 2
Jun 8
Zucchini (Summer Squash)Frost Apr 21-28
Moon Apr 21-23
Frost May 19-Jun 2
Moon May 19-23
Frost May 26-Jun 2
Jul 27

Planting Dates for Fall

On average, your first fall frost occurs on September 28 (at HOPKINTON LAKE, NH climate station).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds OutdoorsTransplantAverage Days to MaturityFrost Tolerance
ArugulaFrost Aug 10-Sep 14
Moon Aug 10-19, Sep 2-14
N/A40Frost-hardy
BeetsFrost Jul 6-Aug 3
Moon Jul 22-Aug 3
N/A50Frost-tolerant
Bok ChoyFrost Jul 20-Aug 10
Moon Jul 20-21, Aug 4-10
N/A50Frost-tolerant
BroccoliFrost Jun 29-Jul 6
Moon Jul 5-6
Frost Jul 20-Aug 3
Moon Jul 20-21
60Frost-tolerant
Brussels SproutsFrost Jun 8-22
Moon Jun 8-21
N/A100Frost-hardy
CabbageFrost Jun 29-Jul 6
Moon Jul 5-6
Frost Jul 20-27
Moon Jul 20-21
90Frost-tolerant
CarrotsFrost Jul 13-20
N/A70Frost-tolerant
CauliflowerFrost Jun 22-29
Frost Jul 6-13
Moon Jul 6-13
75Frost-tolerant
ChivesFrost Jul 6-Aug 3
Moon Jul 6-21
N/A70Frost-tolerant
FennelFrost Jun 29-Jul 13
Moon Jul 5-13
N/A80Tender
GarlicFrost Oct 12-26
Moon Oct 18-26
N/A120Frost-hardy
Green BeansFrost Jul 13-27
Moon Jul 13-21
N/A55Tender
KaleFrost Jul 20-Aug 3
Moon Jul 20-21
N/A60Frost-hardy
KohlrabiFrost Jul 27-Aug 17
Moon Aug 4-17
N/A45Frost-tolerant
LettuceFrost Jul 20-Aug 3
Moon Jul 20-21
N/A60Frost-tolerant
Mustard GreensFrost Jul 27-Aug 17
Moon Aug 4-17
N/A45Tender
PeasFrost Jul 20-Aug 3
Moon Jul 20-21
N/A55Tender
RadishesFrost Aug 17-31
Moon Aug 20-31
N/A25Frost-tolerant
SpinachFrost Aug 10-31
Moon Aug 10-19
N/A30Frost-hardy
Swiss ChardFrost Jul 20-Aug 3
Moon Jul 20-21
N/A60Frost-tolerant
TurnipsFrost Jul 27-Aug 10
Moon Jul 27-Aug 3
N/A50Frost-tolerant
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