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Planting Calendar for Shenandoah, IA | Almanac.com

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Planting Calendar for Shenandoah, IA

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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 11 (at SHENANDOAH, IA climate station).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds OutdoorsTransplantAverage Days to MaturityFrost Tolerance
ArugulaFrost Aug 23-Sep 27
Moon Aug 23-30, Sep 14-27
N/A40Frost-hardy
BeetsFrost Jul 19-Aug 16
Moon Aug 2-15
N/A50Frost-tolerant
Bok ChoyFrost Aug 2-23
Moon Aug 16-23
N/A50Frost-tolerant
BroccoliFrost Jul 12-19
Moon Jul 17-19
Frost Aug 2-16
Moon Aug 16
60Frost-tolerant
CabbageFrost Jul 12-19
Moon Jul 17-19
Frost Aug 2- 9
90Frost-tolerant
CarrotsFrost Jul 26-Aug 2
Moon Aug 2
N/A70Frost-tolerant
CauliflowerFrost Jul 5-12
Frost Jul 19-26
Moon Jul 19-26
75Frost-tolerant
ChivesFrost Jul 19-Aug 16
Moon Jul 19-Aug 1, Aug 16
N/A70Frost-tolerant
GarlicFrost Oct 25-Nov 7
Moon Oct 29-Nov 7
N/A120Frost-hardy
Green BeansFrost Jul 26-Aug 9
Moon Jul 26-Aug 1
N/A55Tender
KaleFrost Aug 2-16
Moon Aug 16
N/A60Frost-hardy
KohlrabiFrost Aug 9-30
Moon Aug 16-30
N/A45Frost-tolerant
LettuceFrost Aug 2-16
Moon Aug 16
N/A60Frost-tolerant
PeasFrost Aug 2-16
Moon Aug 16
N/A55Tender
RadishesFrost Aug 30-Sep 13
Moon Aug 31-Sep 13
N/A25Frost-tolerant
SpinachFrost Aug 23-Sep 13
Moon Aug 23-30
N/A30Frost-hardy
Swiss ChardFrost Aug 2-16
Moon Aug 16
N/A60Frost-tolerant
TurnipsFrost Aug 9-23
Moon Aug 9-15
N/A50Frost-tolerant

Planting Dates for Spring

On average, your last spring frost occurs on April 26 (at SHENANDOAH, IA climate station, elevation 1000 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 28-Mar 15
Moon Feb 28-Mar 7
Frost Apr 5-19
Moon Apr 5
Frost Mar 29-Apr 5
Moon Mar 29-Apr 5
Sep 13
AsparagusN/AN/AFrost Apr 12-26
Moon Apr 12-18
Apr 26
BasilFrost Mar 15-29
Moon Mar 21-29
Frost May 10-24
Moon May 19-24
Frost May 10-24
Moon May 19-24
Aug 30
BeetsN/AFrost Apr 12-26
Moon Apr 12-18
Frost Mar 29-Apr 5
May 10
Bell PeppersFrost Feb 14-28
Moon Feb 20-28
Frost May 10-17
N/AJul 19
Bok ChoyFrost Mar 15-29
Moon Mar 21-29
Frost May 10-17
Frost May 10-17
Jun 7
BroccoliFrost Feb 28-Mar 15
Moon Feb 28-Mar 7
Frost Apr 12-26
Moon Apr 19-26
Frost Mar 29-Apr 5
Moon Mar 29-Apr 5
Aug 9
Brussels SproutsFrost Mar 15-29
Moon Mar 21-29
Frost Jan 17-31
Moon Jan 21-31
Frost Dec 20-Jan 3
Moon Dec 23-Jan 3
Jul 5
CabbageFrost Feb 28-Mar 15
Moon Feb 28-Mar 7
Frost Apr 12-26
Moon Apr 19-26
Frost Mar 29-Apr 5
Moon Mar 29-Apr 5
Jun 28
CantaloupesFrost Apr 5-19
Moon Apr 5
Frost Apr 26-May 10
Moon Apr 26-May 5
Frost May 3-10
Moon May 3- 5
Jul 5
CarrotsN/AN/AFrost Mar 29-Apr 12
Moon Apr 6-12
Aug 2
CauliflowerFrost Mar 15-29
Moon Mar 21-29
Frost Apr 19-May 3
Moon Apr 19-May 3
N/AAug 2
CeleryFrost Jan 31-Feb 14
Moon Jan 31-Feb 5
Frost May 3-17
Moon May 3- 5
Frost Apr 26
Moon Apr 26
Aug 2
ChivesFrost Feb 28-Mar 15
Moon Feb 28-Mar 7
Frost Apr 5-12
Moon Apr 5
Frost Apr 5-12
Moon Apr 5
Aug 16
Cilantro (Coriander)N/AN/AFrost Apr 26-May 10
Moon Apr 26-May 5
May 17
CollardsFrost Mar 15-29
Moon Mar 21-29
Frost Apr 12-26
Moon Apr 19-26
Frost Apr 5-12
Moon Apr 5
Aug 2
CornN/AN/AFrost May 10-24
Moon May 19-24
Jul 26
CucumbersFrost Apr 5-12
Moon Apr 5
Frost May 3-17
Moon May 3- 5
Frost May 10-17
Aug 2
DillN/AN/AFrost Apr 19-May 10
Moon Apr 19-May 5
Aug 16
EggplantsFrost Feb 28-Mar 15
Moon Feb 28-Mar 7
Frost May 10-17
N/AAug 2
Fava Beans (Broad Beans)N/AN/AFrost Mar 29-Apr 5
Moon Mar 29-Apr 5
May 10
GarlicN/AN/AN/A
Green BeansN/AN/AFrost May 3-24
Moon May 3- 5, May 19-24
Aug 2
Jalapeño PeppersFrost Feb 14-28
Moon Feb 20-28
Frost May 10-17
N/A
KaleFrost Feb 28-Mar 15
Moon Feb 28-Mar 7
Frost Apr 12-26
Moon Apr 19-26
Frost Mar 29-Apr 5
Moon Mar 29-Apr 5
May 10
KohlrabiFrost Mar 15-29
Moon Mar 21-29
Frost Apr 5-12
Moon Apr 5
Frost Mar 29-Apr 5
Moon Mar 29-Apr 5
May 10
LettuceFrost Mar 15-29
Moon Mar 21-29
Frost Apr 5-12
Moon Apr 5
Frost Mar 29-Apr 5
Moon Mar 29-Apr 5
May 10
OkraFrost Mar 29-Apr 12
Moon Mar 29-Apr 5
Frost May 10-17
Frost May 10-24
Moon May 19-24
Aug 2
Onion SetsN/AFrost Mar 29-Apr 12
Moon Apr 6-12
N/AJul 5
OreganoFrost Feb 14-Mar 15
Moon Feb 20-Mar 7
Frost May 3-17
Moon May 3- 5
N/AAug 2
ParsleyFrost Feb 14-28
Moon Feb 20-28
Frost May 3-17
Moon May 3- 5
Frost Mar 29-May 3
Moon Mar 29-Apr 5, Apr 19-May 3
Jul 26
ParsnipsN/AN/AFrost Mar 29-Apr 5
Jul 5
PeasN/AN/AFrost Mar 29-Apr 5
Moon Mar 29-Apr 5
May 10
PotatoesN/AN/AFrost Mar 29-Apr 12
Moon Apr 6-12
Aug 2
PumpkinsFrost Apr 5-19
Moon Apr 5
Frost May 10-17
Frost May 10-17
Jun 28
RadishesN/AN/AFrost Mar 29-Apr 5
Aug 16
RosemaryFrost Jan 31-Feb 14
Moon Jan 31-Feb 5
Frost May 10-17
N/AAug 16
SageFrost Feb 28-Mar 15
Moon Feb 28-Mar 7
Frost May 3-17
Moon May 3- 5
N/AJul 26
SpinachFrost Mar 15-29
Moon Mar 21-29
Frost Apr 5-12
Moon Apr 5
Frost Mar 29-Apr 5
Moon Mar 29-Apr 5
May 10
Sweet PotatoesN/AN/AFrost May 10-24
Moon May 10-18
Jun 28
Swiss ChardFrost Mar 15-29
Moon Mar 21-29
Frost Apr 12-26
Moon Apr 19-26
Frost Apr 5-26
Moon Apr 5, Apr 20-26
May 10
ThymeFrost Feb 14-28
Moon Feb 20-28
Frost May 3-10
Moon May 3- 5
N/AJul 19
TomatillosFrost Mar 15-29
Moon Mar 21-29
Frost May 10-24
Moon May 19-24
N/AJul 26
TomatoesFrost Feb 28-Mar 15
Moon Feb 28-Mar 7
Frost May 10-17
N/AJul 12
TurnipsN/AN/AFrost Mar 29-Apr 5
Sep 13
WatermelonsFrost Apr 5-19
Moon Apr 5
Frost May 10-17
Frost May 3-10
Moon May 3- 5
Jul 12
Winter SquashFrost Apr 5-12
Moon Apr 5
Frost May 3-17
Moon May 3- 5
Frost May 10-17
Jun 21
Zucchini and Summer SquashFrost Apr 5-12
Moon Apr 5
Frost May 3-17
Moon May 3- 5
Frost May 10-17
Aug 9
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