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Planting Calendar for Port Huron, MI | Almanac.com

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Planting Calendar for Port Huron, MI

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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.

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're 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 also 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.

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 can 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-seasons crops such as kale and lettuce do not grow well in hot tempertures, 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. 

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 October 30 (at PORT HURON, MI climate station).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds OutdoorsTransplantAverage Days to MaturityFrost Tolerance
ArugulaFrost Sep 11-Oct 16
Moon Sep 14-29
N/A40Frost-hardy
BeetsFrost Aug 7-Sep 4
Moon Aug 7-15, Aug 31-Sep 4
N/A50Frost-tolerant
Bok ChoyFrost Aug 21-Sep 11
Moon Aug 21-30
N/A50Frost-tolerant
BroccoliFrost Jul 31-Aug 7
Moon Jul 31-Aug 1
Frost Aug 21-Sep 4
Moon Aug 21-30
60Frost-tolerant
CabbageFrost Jul 31-Aug 7
Moon Jul 31-Aug 1
Frost Aug 21-28
Moon Aug 21-28
90Frost-tolerant
CarrotsFrost Aug 14-21
Moon Aug 14-15
N/A70Frost-tolerant
CauliflowerFrost Jul 24-31
Moon Jul 24-31
Frost Aug 7-14
75Frost-tolerant
ChivesFrost Aug 7-Sep 4
Moon Aug 16-30
N/A70Frost-tolerant
GarlicFrost Nov 12-26
Moon Nov 12
N/A120Frost-hardy
Green BeansFrost Aug 14-28
Moon Aug 16-28
N/A55Tender
KaleFrost Aug 21-Sep 4
Moon Aug 21-30
N/A60Frost-hardy
KohlrabiFrost Aug 28-Sep 18
Moon Aug 28-30, Sep 14-18
N/A45Frost-tolerant
LettuceFrost Aug 21-Sep 4
Moon Aug 21-30
N/A60Frost-tolerant
PeasFrost Aug 21-Sep 4
Moon Aug 21-30
N/A55Tender
RadishesFrost Sep 18-Oct 2
Moon Sep 30-Oct 2
N/A25Frost-tolerant
SpinachFrost Sep 11-Oct 2
Moon Sep 14-29
N/A30Frost-hardy
Swiss ChardFrost Aug 21-Sep 4
Moon Aug 21-30
N/A60Frost-tolerant
TurnipsFrost Aug 28-Sep 11
Moon Aug 31-Sep 11
N/A50Frost-tolerant

Planting Dates for Spring

On average, your last spring frost occurs on April 25 (at PORT HURON, MI climate station, elevation 590 feet).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds IndoorsPlant Seedlings
or Transplants
Start Seeds OutdoorsLast Date to Plant
ArugulaFrost Feb 27-Mar 14
Moon Feb 27-Mar 7
Frost Apr 4-18
Moon Apr 4- 5
Frost Mar 28-Apr 4
Moon Mar 28-Apr 4
Oct 2
AsparagusN/AN/AFrost Apr 11-25
Moon Apr 11-18
Apr 25
BasilFrost Mar 14-28
Moon Mar 21-28
Frost May 9-23
Moon May 19-23
Frost May 9-23
Moon May 19-23
Sep 18
BeetsN/AFrost Apr 11-25
Moon Apr 11-18
Frost Mar 28-Apr 4
May 9
Bell PeppersFrost Feb 13-27
Moon Feb 20-27
Frost May 9-16
N/AAug 7
Bok ChoyFrost Mar 14-28
Moon Mar 21-28
Frost May 9-16
Frost May 9-16
Jun 6
BroccoliFrost Feb 27-Mar 14
Moon Feb 27-Mar 7
Frost Apr 11-25
Moon Apr 19-25
Frost Mar 28-Apr 4
Moon Mar 28-Apr 4
Aug 28
Brussels SproutsFrost Mar 14-28
Moon Mar 21-28
Frost Jan 16-30
Moon Jan 21-30
Frost Dec 19-Jan 2
Moon Dec 23-Jan 2
Jul 24
CabbageFrost Feb 27-Mar 14
Moon Feb 27-Mar 7
Frost Apr 11-25
Moon Apr 19-25
Frost Mar 28-Apr 4
Moon Mar 28-Apr 4
Jul 17
CantaloupesFrost Apr 4-18
Moon Apr 4- 5
Frost Apr 25-May 9
Moon Apr 25-May 5
Frost May 2- 9
Moon May 2- 5
Jul 24
CarrotsN/AN/AFrost Mar 28-Apr 11
Moon Apr 6-11
Aug 21
CauliflowerFrost Mar 14-28
Moon Mar 21-28
Frost Apr 18-May 2
Moon Apr 19-May 2
N/AAug 21
CeleryFrost Jan 30-Feb 13
Moon Jan 30-Feb 5
Frost May 2-16
Moon May 2- 5
Frost Apr 25
Moon Apr 25
Aug 21
ChivesFrost Feb 27-Mar 14
Moon Feb 27-Mar 7
Frost Apr 4-11
Moon Apr 4- 5
Frost Apr 4-11
Moon Apr 4- 5
Sep 4
Cilantro (Coriander)N/AN/AFrost Apr 25-May 9
Moon Apr 25-May 5
May 16
CollardsFrost Mar 14-28
Moon Mar 21-28
Frost Apr 11-25
Moon Apr 19-25
Frost Apr 4-11
Moon Apr 4- 5
Aug 21
CornN/AN/AFrost May 9-23
Moon May 19-23
Aug 14
CucumbersFrost Apr 4-11
Moon Apr 4- 5
Frost May 2-16
Moon May 2- 5
Frost May 9-16
Aug 21
DillN/AN/AFrost Apr 18-May 9
Moon Apr 19-May 5
Sep 4
EggplantsFrost Feb 27-Mar 14
Moon Feb 27-Mar 7
Frost May 9-16
N/AAug 21
Fava Beans (Broad Beans)N/AN/AFrost Mar 28-Apr 4
Moon Mar 28-Apr 4
May 9
GarlicN/AN/AN/A
Green BeansN/AN/AFrost May 2-23
Moon May 2- 5, May 19-23
Aug 21
Jalapeño PeppersFrost Feb 13-27
Moon Feb 20-27
Frost May 9-16
N/A
KaleFrost Feb 27-Mar 14
Moon Feb 27-Mar 7
Frost Apr 11-25
Moon Apr 19-25
Frost Mar 28-Apr 4
Moon Mar 28-Apr 4
May 9
KohlrabiFrost Mar 14-28
Moon Mar 21-28
Frost Apr 4-11
Moon Apr 4- 5
Frost Mar 28-Apr 4
Moon Mar 28-Apr 4
May 9
LettuceFrost Mar 14-28
Moon Mar 21-28
Frost Apr 4-11
Moon Apr 4- 5
Frost Mar 28-Apr 4
Moon Mar 28-Apr 4
May 9
OkraFrost Mar 28-Apr 11
Moon Mar 28-Apr 5
Frost May 9-16
Frost May 9-23
Moon May 19-23
Aug 21
Onion SetsN/AFrost Mar 28-Apr 11
Moon Apr 6-11
N/AJul 24
OreganoFrost Feb 13-Mar 14
Moon Feb 20-Mar 7
Frost May 2-16
Moon May 2- 5
N/AAug 21
ParsleyFrost Feb 13-27
Moon Feb 20-27
Frost May 2-16
Moon May 2- 5
Frost Mar 28-May 2
Moon Mar 28-Apr 5, Apr 19-May 2
Aug 14
ParsnipsN/AN/AFrost Mar 28-Apr 4
Jul 24
PeasN/AN/AFrost Mar 28-Apr 4
Moon Mar 28-Apr 4
May 9
PotatoesN/AN/AFrost Mar 28-Apr 11
Moon Apr 6-11
Aug 21
PumpkinsFrost Apr 4-18
Moon Apr 4- 5
Frost May 9-16
Frost May 9-16
Jul 17
RadishesN/AN/AFrost Mar 28-Apr 4
Sep 4
RosemaryFrost Jan 30-Feb 13
Moon Jan 30-Feb 5
Frost May 9-16
N/ASep 4
SageFrost Feb 27-Mar 14
Moon Feb 27-Mar 7
Frost May 2-16
Moon May 2- 5
N/AAug 14
SpinachFrost Mar 14-28
Moon Mar 21-28
Frost Apr 4-11
Moon Apr 4- 5
Frost Mar 28-Apr 4
Moon Mar 28-Apr 4
May 9
Sweet PotatoesN/AN/AFrost May 9-23
Moon May 9-18
Jul 17
Swiss ChardFrost Mar 14-28
Moon Mar 21-28
Frost Apr 11-25
Moon Apr 19-25
Frost Apr 4-25
Moon Apr 4- 5, Apr 19-25
May 9
ThymeFrost Feb 13-27
Moon Feb 20-27
Frost May 2- 9
Moon May 2- 5
N/AAug 7
TomatillosFrost Mar 14-28
Moon Mar 21-28
Frost May 9-23
Moon May 19-23
N/AAug 14
TomatoesFrost Feb 27-Mar 14
Moon Feb 27-Mar 7
Frost May 9-16
N/AJul 31
TurnipsN/AN/AFrost Mar 28-Apr 4
Oct 2
WatermelonsFrost Apr 4-18
Moon Apr 4- 5
Frost May 9-16
Frost May 2- 9
Moon May 2- 5
Jul 31
Winter SquashFrost Apr 4-11
Moon Apr 4- 5
Frost May 2-16
Moon May 2- 5
Frost May 9-16
Jul 10
Zucchini and Summer SquashFrost Apr 4-11
Moon Apr 4- 5
Frost May 2-16
Moon May 2- 5
Frost May 9-16
Aug 28
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