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Planting Calendar for Henniker, 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 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 23-Sep 7
N/A40Frost-hardy
BeetsFrost Jul 6-Aug 3
Moon Jul 11-23
N/A50Frost-tolerant
Bok ChoyFrost Jul 20-Aug 10
Moon Jul 24-Aug 9
N/A50Frost-tolerant
BroccoliFrost Jun 29-Jul 6
Moon Jun 29-Jul 6
Frost Jul 20-Aug 3
Moon Jul 24-Aug 3
60Frost-tolerant
Brussels SproutsFrost Jun 8-22
Moon Jun 8-11
N/A100Frost-hardy
CabbageFrost Jun 29-Jul 6
Moon Jun 29-Jul 6
Frost Jul 20-27
Moon Jul 24-27
90Frost-tolerant
CarrotsFrost Jul 13-20
Moon Jul 13-20
N/A70Frost-tolerant
CauliflowerFrost Jun 22-29
Moon Jun 25-29
Frost Jul 6-13
Moon Jul 6-10
75Frost-tolerant
ChivesFrost Jul 6-Aug 3
Moon Jul 6-10, Jul 24-Aug 3
N/A70Frost-tolerant
FennelFrost Jun 29-Jul 13
Moon Jun 29-Jul 10
N/A80Tender
GarlicFrost Oct 12-26
Moon Oct 12-20
N/A120Frost-hardy
Green BeansFrost Jul 13-27
Moon Jul 24-27
N/A55Tender
KaleFrost Jul 20-Aug 3
Moon Jul 24-Aug 3
N/A60Frost-hardy
KohlrabiFrost Jul 27-Aug 17
Moon Jul 27-Aug 9
N/A45Frost-tolerant
LettuceFrost Jul 20-Aug 3
Moon Jul 24-Aug 3
N/A60Frost-tolerant
Mustard GreensFrost Jul 27-Aug 17
Moon Jul 27-Aug 9
N/A45Tender
PeasFrost Jul 20-Aug 3
Moon Jul 24-Aug 3
N/A55Tender
RadishesFrost Aug 17-31
Moon Aug 17-22
N/A25Frost-tolerant
SpinachFrost Aug 10-31
Moon Aug 23-31
N/A30Frost-hardy
Swiss ChardFrost Jul 20-Aug 3
Moon Jul 24-Aug 3
N/A60Frost-tolerant
TurnipsFrost Jul 27-Aug 10
Moon Aug 10
N/A50Frost-tolerant

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 29-31
Frost Apr 21-May 5
Moon Apr 27-May 5
Frost Apr 14-21
Aug 31
AsparagusN/AN/AFrost Apr 28-May 12
May 12
BasilFrost Mar 31-Apr 14
Moon Mar 31-Apr 12
Frost May 26-Jun 9
Moon May 26-Jun 9
Frost May 26-Jun 9
Moon May 26-Jun 9
Aug 17
BeetsN/AFrost Apr 28-May 12
Frost Apr 14-21
Moon Apr 14-21
May 26
Bell PeppersFrost Mar 2-17
Moon Mar 2-14
Frost May 26-Jun 2
Moon May 26-Jun 2
N/AJul 6
Bok ChoyFrost Mar 31-Apr 14
Moon Mar 31-Apr 12
Frost May 26-Jun 2
Moon May 26-Jun 2
Frost May 26-Jun 2
Moon May 26-Jun 2
Jun 23
BroccoliFrost Mar 17-31
Moon Mar 29-31
Frost Apr 28-May 12
Moon Apr 28-May 12
Frost Apr 14-21
Jul 27
Brussels SproutsFrost Mar 31-Apr 14
Moon Mar 31-Apr 12
Frost Apr 28-May 12
Moon Apr 28-May 12
Frost Apr 14-21
Jun 22
CabbageFrost Mar 17-31
Moon Mar 29-31
Frost Apr 28-May 12
Moon Apr 28-May 12
Frost Apr 14-21
May 19
CantaloupesFrost Apr 21-May 5
Moon Apr 27-May 5
Frost May 12-26
Moon May 12
Frost May 19-26
Moon May 26
Jun 22
CarrotsN/AN/AFrost Apr 14-28
Moon Apr 14-26
Jul 20
CauliflowerFrost Mar 31-Apr 14
Moon Mar 31-Apr 12
Frost May 5-19
Moon May 5-12
N/AJul 13
CeleryFrost Feb 16-Mar 2
Moon Feb 27-Mar 2
Frost May 19-Jun 2
Moon May 26-Jun 2
Frost May 12
Moon May 12
Jul 20
ChivesFrost Mar 17-31
Moon Mar 29-31
Frost Apr 21-28
Moon Apr 27-28
Frost Apr 21-28
Moon Apr 27-28
Aug 3
Cilantro (Coriander)N/AN/AFrost May 12-26
Moon May 12
Jun 2
CollardsFrost Mar 31-Apr 14
Moon Mar 31-Apr 12
Frost Apr 28-May 12
Moon Apr 28-May 12
Frost Apr 21-28
Moon Apr 27-28
Jul 20
CucumbersFrost Apr 21-28
Moon Apr 27-28
Frost May 19-Jun 2
Moon May 26-Jun 2
Frost May 26-Jun 2
Moon May 26-Jun 2
Jul 20
DillN/AN/AFrost May 5-26
Moon May 5-12, May 26
Aug 3
Dry BeansN/AN/AFrost May 26-Jun 2
Moon May 26-Jun 2
Jun 22
EggplantsFrost Mar 17-31
Moon Mar 29-31
Frost May 26-Jun 2
Moon May 26-Jun 2
N/AJul 20
Fava BeansN/AN/AFrost Apr 14-21
May 26
FennelFrost Mar 31-Apr 14
Moon Mar 31-Apr 12
Frost May 19-26
Moon May 26
Frost May 12-26
Moon May 12
Jul 13
GarlicN/AN/AN/A
Green BeansN/AN/AFrost May 19-Jun 9
Moon May 26-Jun 9
Jul 20
Honeydew MelonsFrost Apr 21-28
Moon Apr 27-28
Frost May 26-Jun 2
Moon May 26-Jun 2
Frost May 26-Jun 2
Moon May 26-Jun 2
Jun 29
Jalapeño PeppersFrost Mar 2-17
Moon Mar 2-14
Frost May 26-Jun 2
Moon May 26-Jun 2
N/A
KaleFrost Mar 17-31
Moon Mar 29-31
Frost Apr 28-May 12
Moon Apr 28-May 12
Frost Apr 14-21
May 26
KohlrabiFrost Mar 31-Apr 14
Moon Mar 31-Apr 12
Frost Apr 21-28
Moon Apr 27-28
Frost Apr 14-21
May 26
LeeksFrost Mar 2-17
Moon Mar 2-14
Frost Apr 21-May 5
Moon Apr 27-May 5
N/AJun 15
LettuceFrost Mar 31-Apr 14
Moon Mar 31-Apr 12
Frost Apr 21-28
Moon Apr 27-28
Frost Apr 14-21
May 26
MicrogreensN/AN/AN/A
Mustard GreensN/AN/AN/A
OkraFrost Apr 14-28
Moon Apr 27-28
Frost May 26-Jun 2
Moon May 26-Jun 2
Frost May 26-Jun 9
Moon May 26-Jun 9
Jul 20
OnionsN/AFrost Apr 14-28
Moon Apr 14-26
N/AJun 22
OreganoFrost Mar 2-31
Moon Mar 2-14, Mar 29-31
Frost May 19-Jun 2
Moon May 26-Jun 2
N/AJul 20
ParsleyFrost Mar 2-17
Moon Mar 2-14
Frost May 19-Jun 2
Moon May 26-Jun 2
Frost Apr 14-May 19
Moon Apr 27-May 12
Jul 13
ParsnipsN/AN/AFrost Apr 14-21
Moon Apr 14-21
Jun 22
PeanutsN/AN/AFrost Jun 2-16
Moon Jun 12-16
PeasN/AN/AFrost Apr 14-21
May 26
PotatoesN/AN/AFrost Apr 14-28
Moon Apr 14-26
Jul 20
PumpkinsFrost Apr 21-May 5
Moon Apr 27-May 5
Frost May 26-Jun 2
Moon May 26-Jun 2
Frost May 26-Jun 2
Moon May 26-Jun 2
Jun 15
RadishesN/AN/AFrost Apr 14-21
Moon Apr 14-21
Aug 3
RosemaryFrost Feb 16-Mar 2
Moon Feb 27-Mar 2
Frost May 26-Jun 2
Moon May 26-Jun 2
N/AAug 3
SageFrost Mar 17-31
Moon Mar 29-31
Frost May 19-Jun 2
Moon May 26-Jun 2
N/AJul 13
SalsifyN/AN/AFrost Apr 14-28
Moon Apr 14-26
Jun 22
SpinachFrost Mar 31-Apr 14
Moon Mar 31-Apr 12
Frost Apr 21-28
Moon Apr 27-28
Frost Apr 14-21
May 26
Sweet CornN/AN/AFrost May 26-Jun 9
Moon May 26-Jun 9
Jul 13
Sweet PotatoesN/AN/AFrost May 26-Jun 9
Jun 15
Swiss ChardFrost Mar 31-Apr 14
Moon Mar 31-Apr 12
Frost Apr 28-May 12
Moon Apr 28-May 12
Frost Apr 21-May 12
Moon Apr 27-May 12
May 26
ThymeFrost Mar 2-17
Moon Mar 2-14
Frost May 19-26
Moon May 26
N/AJul 6
TomatillosFrost Mar 31-Apr 14
Moon Mar 31-Apr 12
Frost May 26-Jun 9
Moon May 26-Jun 9
N/AJul 13
TomatoesFrost Mar 17-31
Moon Mar 29-31
Frost May 26-Jun 2
Moon May 26-Jun 2
N/AJun 29
TurnipsN/AN/AFrost Apr 14-21
Moon Apr 14-21
Aug 31
WatermelonsFrost Apr 21-May 5
Moon Apr 27-May 5
Frost May 26-Jun 2
Moon May 26-Jun 2
Frost May 19-26
Moon May 26
Jun 29
Winter SquashFrost Apr 21-28
Moon Apr 27-28
Frost May 19-Jun 2
Moon May 26-Jun 2
Frost May 26-Jun 2
Moon May 26-Jun 2
Jun 8
Zucchini (Summer Squash)Frost Apr 21-28
Moon Apr 27-28
Frost May 19-Jun 2
Moon May 26-Jun 2
Frost May 26-Jun 2
Moon May 26-Jun 2
Jul 27
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