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Planting Calendar for Sheldon, 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.

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 9 (at SHELDON, IA climate station, elevation 1420 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 14-28
Moon Mar 14-25
Frost Apr 18-May 2
Moon Apr 18-23
Frost Apr 11-18
Moon Apr 11-18
Aug 26
AsparagusN/AN/AFrost Apr 25-May 9
Moon Apr 25-May 6
May 9
BasilFrost Mar 28-Apr 11
Moon Apr 8-11
Frost May 23-Jun 6
Moon May 23
Frost May 23-Jun 6
Moon May 23
Aug 12
BeetsN/AFrost Apr 25-May 9
Moon Apr 25-May 6
Frost Apr 11-18
May 23
Bell PeppersFrost Feb 28-Mar 14
Frost May 23-30
Moon May 23
N/AJul 1
Bok ChoyFrost Mar 28-Apr 11
Moon Apr 8-11
Frost May 23-30
Moon May 23
Frost May 23-30
Moon May 23
Jun 20
BroccoliFrost Mar 14-28
Moon Mar 14-25
Frost Apr 25-May 9
Moon May 7-9
Frost Apr 11-18
Moon Apr 11-18
Jul 22
Brussels SproutsFrost Mar 28-Apr 11
Moon Apr 8-11
Frost Apr 25-May 9
Moon May 7-9
Frost Apr 11-18
Moon Apr 11-18
Jun 17
CabbageFrost Mar 14-28
Moon Mar 14-25
Frost Apr 25-May 9
Moon May 7-9
Frost Apr 11-18
Moon Apr 11-18
Jun 10
CantaloupesFrost Apr 18-May 2
Moon Apr 18-23
Frost May 9-23
Moon May 9-23
Frost May 16-23
Moon May 16-23
Jun 17
CarrotsN/AN/AFrost Apr 11-25
Moon Apr 24-25
Jul 15
CauliflowerFrost Mar 28-Apr 11
Moon Apr 8-11
Frost May 2-16
Moon May 7-16
N/AJul 15
CeleryFrost Feb 14-28
Moon Feb 14-24
Frost May 16-30
Moon May 16-23
Frost May 9
Moon May 9
Jul 15
ChivesFrost Mar 14-28
Moon Mar 14-25
Frost Apr 18-25
Moon Apr 18-23
Frost Apr 18-25
Moon Apr 18-23
Jul 29
Cilantro (Coriander)N/AN/AFrost May 9-23
Moon May 9-23
May 30
CollardsFrost Mar 28-Apr 11
Moon Apr 8-11
Frost Apr 25-May 9
Moon May 7-9
Frost Apr 18-25
Moon Apr 18-23
Jul 15
CucumbersFrost Apr 18-25
Moon Apr 18-23
Frost May 16-30
Moon May 16-23
Frost May 23-30
Moon May 23
Jul 15
DillN/AN/AFrost May 2-23
Moon May 7-23
Jul 29
Dry BeansN/AN/AFrost May 23-30
Moon May 23
Jun 17
EggplantsFrost Mar 14-28
Moon Mar 14-25
Frost May 23-30
Moon May 23
N/AJul 15
Fava BeansN/AN/AFrost Apr 11-18
Moon Apr 11-18
May 23
FennelFrost Mar 28-Apr 11
Moon Apr 8-11
Frost May 16-23
Moon May 16-23
Frost May 9-23
Moon May 9-23
Jul 8
GarlicN/AN/AN/A
Green BeansN/AN/AFrost May 16-Jun 6
Moon May 16-23, Jun 6
Jul 15
Honeydew MelonsFrost Apr 18-25
Moon Apr 18-23
Frost May 23-30
Moon May 23
Frost May 23-30
Moon May 23
Jun 24
Jalapeño PeppersFrost Feb 28-Mar 14
Frost May 23-30
Moon May 23
N/A
KaleFrost Mar 14-28
Moon Mar 14-25
Frost Apr 25-May 9
Moon May 7-9
Frost Apr 11-18
Moon Apr 11-18
May 23
KohlrabiFrost Mar 28-Apr 11
Moon Apr 8-11
Frost Apr 18-25
Moon Apr 18-23
Frost Apr 11-18
Moon Apr 11-18
May 23
LeeksFrost Feb 28-Mar 14
Frost Apr 18-May 2
Moon Apr 18-23
N/AJun 10
LettuceFrost Mar 28-Apr 11
Moon Apr 8-11
Frost Apr 18-25
Moon Apr 18-23
Frost Apr 11-18
Moon Apr 11-18
May 23
Mustard GreensN/AN/AN/A
OkraFrost Apr 11-25
Moon Apr 11-23
Frost May 23-30
Moon May 23
Frost May 23-Jun 6
Moon May 23
Jul 15
OnionsN/AFrost Apr 11-25
Moon Apr 24-25
N/AJun 17
OreganoFrost Feb 28-Mar 28
Moon Mar 15-25
Frost May 16-30
Moon May 16-23
N/AJul 15
ParsleyFrost Feb 28-Mar 14
Frost May 16-30
Moon May 16-23
Frost Apr 11-May 16
Moon Apr 11-23, May 7-16
Jul 8
ParsnipsN/AN/AFrost Apr 11-18
Jun 17
PeanutsN/AN/AFrost May 30-Jun 13
Moon May 30-Jun 5
PeasN/AN/AFrost Apr 11-18
Moon Apr 11-18
May 23
PotatoesN/AN/AFrost Apr 11-25
Moon Apr 24-25
Jul 15
PumpkinsFrost Apr 18-May 2
Moon Apr 18-23
Frost May 23-30
Moon May 23
Frost May 23-30
Moon May 23
Jun 10
RadishesN/AN/AFrost Apr 11-18
Jul 29
RosemaryFrost Feb 14-28
Moon Feb 14-24
Frost May 23-30
Moon May 23
N/AJul 29
SageFrost Mar 14-28
Moon Mar 14-25
Frost May 16-30
Moon May 16-23
N/AJul 8
SalsifyN/AN/AFrost Apr 11-25
Moon Apr 24-25
Jun 17
SpinachFrost Mar 28-Apr 11
Moon Apr 8-11
Frost Apr 18-25
Moon Apr 18-23
Frost Apr 11-18
Moon Apr 11-18
May 23
Sweet CornN/AN/AFrost May 23-Jun 6
Moon May 23
Jul 8
Sweet PotatoesN/AN/AFrost May 23-Jun 6
Moon May 24-Jun 5
Jun 10
Swiss ChardFrost Mar 28-Apr 11
Moon Apr 8-11
Frost Apr 25-May 9
Moon May 7-9
Frost Apr 18-May 9
Moon Apr 18-23, May 7-9
May 23
ThymeFrost Feb 28-Mar 14
Frost May 16-23
Moon May 16-23
N/AJul 1
TomatillosFrost Mar 28-Apr 11
Moon Apr 8-11
Frost May 23-Jun 6
Moon May 23
N/AJul 8
TomatoesFrost Mar 14-28
Moon Mar 14-25
Frost May 23-30
Moon May 23
N/AJun 24
TurnipsN/AN/AFrost Apr 11-18
Aug 26
WatermelonsFrost Apr 18-May 2
Moon Apr 18-23
Frost May 23-30
Moon May 23
Frost May 16-23
Moon May 16-23
Jun 24
Winter SquashFrost Apr 18-25
Moon Apr 18-23
Frost May 16-30
Moon May 16-23
Frost May 23-30
Moon May 23
Jun 3
Zucchini (Summer Squash)Frost Apr 18-25
Moon Apr 18-23
Frost May 16-30
Moon May 16-23
Frost May 23-30
Moon May 23
Jul 22

Planting Dates for Fall

On average, your first fall frost occurs on September 23 (at SHELDON, IA climate station).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds OutdoorsTransplantAverage Days to MaturityFrost Tolerance
ArugulaFrost Aug 5-Sep 9
Moon Aug 5-19, Sep 2-9
N/A40Frost-hardy
BeetsFrost Jul 1-29
Moon Jul 1-4, Jul 22-29
N/A50Frost-tolerant
Bok ChoyFrost Jul 15-Aug 5
Moon Jul 15-21, Aug 4-5
N/A50Frost-tolerant
BroccoliFrost Jun 24-Jul 1
Frost Jul 15-29
Moon Jul 15-21
60Frost-tolerant
Brussels SproutsFrost Jun 3-17
Moon Jun 6-17
N/A100Frost-hardy
CabbageFrost Jun 24-Jul 1
Frost Jul 15-22
Moon Jul 15-21
90Frost-tolerant
CarrotsFrost Jul 8-15
N/A70Frost-tolerant
CauliflowerFrost Jun 17-24
Moon Jun 17-21
Frost Jul 1-8
Moon Jul 5-8
75Frost-tolerant
ChivesFrost Jul 1-29
Moon Jul 5-21
N/A70Frost-tolerant
FennelFrost Jun 24-Jul 8
Moon Jul 5-8
N/A80Tender
GarlicFrost Oct 7-21
Moon Oct 18-21
N/A120Frost-hardy
Green BeansFrost Jul 8-22
Moon Jul 8-21
N/A55Tender
KaleFrost Jul 15-29
Moon Jul 15-21
N/A60Frost-hardy
KohlrabiFrost Jul 22-Aug 12
Moon Aug 4-12
N/A45Frost-tolerant
LettuceFrost Jul 15-29
Moon Jul 15-21
N/A60Frost-tolerant
Mustard GreensFrost Jul 22-Aug 12
Moon Aug 4-12
N/A45Tender
PeasFrost Jul 15-29
Moon Jul 15-21
N/A55Tender
RadishesFrost Aug 12-26
Moon Aug 20-26
N/A25Frost-tolerant
SpinachFrost Aug 5-26
Moon Aug 5-19
N/A30Frost-hardy
Swiss ChardFrost Jul 15-29
Moon Jul 15-21
N/A60Frost-tolerant
TurnipsFrost Jul 22-Aug 5
Moon Jul 22-Aug 3
N/A50Frost-tolerant
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