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Planting Calendar for Medicine Bow, WY

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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. 

Use the icon below for the best print or email format.

Planting Dates for Fall

On average, your first fall frost occurs on September 4 (at MEDICINE BOW, WY climate station).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds OutdoorsTransplantAverage Days to MaturityFrost Tolerance
ArugulaFrost Jul 17-Aug 21
Moon Jul 24-Aug 9
N/A40Frost-hardy
BeetsFrost Jun 12-Jul 10
Moon Jun 12-24
N/A50Frost-tolerant
Bok ChoyFrost Jun 26-Jul 17
Moon Jun 26-Jul 10
N/A50Frost-tolerant
BroccoliFrost Jun 5-12
Moon Jun 5-11
Frost Jun 26-Jul 10
Moon Jun 26-Jul 10
60Frost-tolerant
Brussels SproutsFrost May 15-29
Moon May 26-29
N/A100Frost-hardy
CabbageFrost Jun 5-12
Moon Jun 5-11
Frost Jun 26-Jul 3
Moon Jun 26-Jul 3
90Frost-tolerant
CarrotsFrost Jun 19-26
Moon Jun 19-24
N/A70Frost-tolerant
CauliflowerFrost May 29-Jun 5
Moon May 29-Jun 5
Frost Jun 12-19
75Frost-tolerant
ChivesFrost Jun 12-Jul 10
Moon Jun 25-Jul 10
N/A70Frost-tolerant
FennelFrost Jun 5-19
Moon Jun 5-11
N/A80Tender
GarlicFrost Sep 18-Oct 2
Moon Sep 18-20
N/A120Frost-hardy
Green BeansFrost Jun 19-Jul 3
Moon Jun 25-Jul 3
N/A55Tender
KaleFrost Jun 26-Jul 10
Moon Jun 26-Jul 10
N/A60Frost-hardy
KohlrabiFrost Jul 3-24
Moon Jul 3-10, Jul 24
N/A45Frost-tolerant
LettuceFrost Jun 26-Jul 10
Moon Jun 26-Jul 10
N/A60Frost-tolerant
Mustard GreensFrost Jul 3-24
Moon Jul 3-10, Jul 24
N/A45Tender
PeasFrost Jun 26-Jul 10
Moon Jun 26-Jul 10
N/A55Tender
RadishesFrost Jul 24-Aug 7
N/A25Frost-tolerant
SpinachFrost Jul 17-Aug 7
Moon Jul 24-Aug 7
N/A30Frost-hardy
Swiss ChardFrost Jun 26-Jul 10
Moon Jun 26-Jul 10
N/A60Frost-tolerant
TurnipsFrost Jul 3-17
Moon Jul 11-17
N/A50Frost-tolerant

Planting Dates for Spring

On average, your last spring frost occurs on June 6 (at MEDICINE BOW, WY climate station, elevation 6633 feet).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds IndoorsPlant Seedlings
or Transplants
Start Seeds OutdoorsLast Date to Plant
ArugulaFrost Apr 11-25
Moon Apr 11-12
Frost May 16-30
Moon May 26-30
Frost May 9-16
Moon May 9-12
Aug 7
AsparagusN/AN/AFrost May 23-Jun 6
Moon May 23-25
Jun 6
BasilFrost Apr 25-May 9
Moon Apr 27-May 9
Frost Jun 20-Jul 4
Moon Jun 25-Jul 4
Frost Jun 20-Jul 4
Moon Jun 25-Jul 4
Jul 24
BeetsN/AFrost May 23-Jun 6
Moon May 23-25
Frost May 9-16
Moon May 13-16
Jun 20
Bell PeppersFrost Mar 28-Apr 11
Moon Mar 29-Apr 11
Frost Jun 20-27
Moon Jun 25-27
N/AJun 12
Bok ChoyFrost Apr 25-May 9
Moon Apr 27-May 9
Frost Jun 20-27
Moon Jun 25-27
Frost Jun 20-27
Moon Jun 25-27
Jul 18
BroccoliFrost Apr 11-25
Moon Apr 11-12
Frost May 23-Jun 6
Moon May 26-Jun 6
Frost May 9-16
Moon May 9-12
Jul 3
Brussels SproutsFrost Apr 25-May 9
Moon Apr 27-May 9
Frost May 23-Jun 6
Moon May 26-Jun 6
Frost May 9-16
Moon May 9-12
May 29
CabbageFrost Apr 11-25
Moon Apr 11-12
Frost May 23-Jun 6
Moon May 26-Jun 6
Frost May 9-16
Moon May 9-12
Jun 13
CantaloupesFrost May 16-30
Moon May 26-30
Frost Jun 6-20
Moon Jun 6-11
Frost Jun 13-20
May 29
CarrotsN/AN/AFrost May 9-23
Moon May 13-23
Jun 26
CauliflowerFrost Apr 25-May 9
Moon Apr 27-May 9
Frost May 30-Jun 13
Moon May 30-Jun 11
N/AJun 19
CeleryFrost Mar 14-28
Moon Mar 14
Frost Jun 13-27
Moon Jun 25-27
Frost Jun 6
Moon Jun 6
Jun 26
ChivesFrost Apr 11-25
Moon Apr 11-12
Frost May 16-23
Frost May 16-23
Jul 10
Cilantro (Coriander)N/AN/AFrost Jun 6-20
Moon Jun 6-11
Jun 27
CollardsFrost Apr 25-May 9
Moon Apr 27-May 9
Frost May 23-Jun 6
Moon May 26-Jun 6
Frost May 16-23
Jun 26
CucumbersFrost May 16-23
Frost Jun 13-27
Moon Jun 25-27
Frost Jun 20-27
Moon Jun 25-27
Jun 26
DillN/AN/AFrost May 30-Jun 20
Moon May 30-Jun 11
Jul 10
Dry BeansN/AN/AFrost Jun 20-27
Moon Jun 25-27
May 29
EggplantsFrost Apr 11-25
Moon Apr 11-12
Frost Jun 20-27
Moon Jun 25-27
N/AJun 26
Fava BeansN/AN/AFrost May 9-16
Moon May 9-12
Jun 20
FennelFrost Apr 25-May 9
Moon Apr 27-May 9
Frost Jun 13-20
Frost Jun 6-20
Moon Jun 6-11
Jun 19
GarlicN/AN/AN/A
Green BeansN/AN/AFrost Jun 13-Jul 4
Moon Jun 25-Jul 4
Jun 26
Honeydew MelonsFrost May 16-23
Frost Jun 20-27
Moon Jun 25-27
Frost Jun 20-27
Moon Jun 25-27
Jun 5
Jalapeño PeppersFrost Mar 28-Apr 11
Moon Mar 29-Apr 11
Frost Jun 20-27
Moon Jun 25-27
N/A
KaleFrost Apr 11-25
Moon Apr 11-12
Frost May 23-Jun 6
Moon May 26-Jun 6
Frost May 9-16
Moon May 9-12
Jun 20
KohlrabiFrost Apr 25-May 9
Moon Apr 27-May 9
Frost May 16-23
Frost May 9-16
Moon May 9-12
Jun 20
LeeksFrost Mar 28-Apr 11
Moon Mar 29-Apr 11
Frost May 16-30
Moon May 26-30
N/AMay 22
LettuceFrost Apr 25-May 9
Moon Apr 27-May 9
Frost May 16-23
Frost May 9-16
Moon May 9-12
Jun 20
MicrogreensN/AN/AN/A
Mustard GreensN/AN/AN/A
OkraFrost May 9-23
Moon May 9-12
Frost Jun 20-27
Moon Jun 25-27
Frost Jun 20-Jul 4
Moon Jun 25-Jul 4
Jun 26
OnionsN/AFrost May 9-23
Moon May 13-23
N/AMay 29
OreganoFrost Mar 28-Apr 25
Moon Mar 29-Apr 12
Frost Jun 13-27
Moon Jun 25-27
N/AJun 26
ParsleyFrost Mar 28-Apr 11
Moon Mar 29-Apr 11
Frost Jun 13-27
Moon Jun 25-27
Frost May 9-Jun 13
Moon May 9-12, May 26-Jun 11
Jun 19
ParsnipsN/AN/AFrost May 9-16
Moon May 13-16
May 29
PeanutsN/AN/AFrost Jun 27-Jul 11
Moon Jul 11
PeasN/AN/AFrost May 9-16
Moon May 9-12
Jun 20
PotatoesN/AN/AFrost May 9-23
Moon May 13-23
Jun 26
PumpkinsFrost May 16-30
Moon May 26-30
Frost Jun 20-27
Moon Jun 25-27
Frost Jun 20-27
Moon Jun 25-27
May 22
RadishesN/AN/AFrost May 9-16
Moon May 13-16
Jul 10
RosemaryFrost Mar 14-28
Moon Mar 14
Frost Jun 20-27
Moon Jun 25-27
N/AJul 10
SageFrost Apr 11-25
Moon Apr 11-12
Frost Jun 13-27
Moon Jun 25-27
N/AJun 19
SalsifyN/AN/AFrost May 9-23
Moon May 13-23
May 29
SpinachFrost Apr 25-May 9
Moon Apr 27-May 9
Frost May 16-23
Frost May 9-16
Moon May 9-12
Jun 20
Sweet CornN/AN/AFrost Jun 20-Jul 4
Moon Jun 25-Jul 4
Jun 19
Sweet PotatoesN/AN/AFrost Jun 20-Jul 4
Moon Jun 20-24
May 22
Swiss ChardFrost Apr 25-May 9
Moon Apr 27-May 9
Frost May 23-Jun 6
Moon May 26-Jun 6
Frost May 16-Jun 6
Moon May 26-Jun 6
Jun 20
ThymeFrost Mar 28-Apr 11
Moon Mar 29-Apr 11
Frost Jun 13-20
N/AJun 12
TomatillosFrost Apr 25-May 9
Moon Apr 27-May 9
Frost Jun 20-Jul 4
Moon Jun 25-Jul 4
N/AJun 19
TomatoesFrost Apr 11-25
Moon Apr 11-12
Frost Jun 20-27
Moon Jun 25-27
N/AJun 5
TurnipsN/AN/AFrost May 9-16
Moon May 13-16
Aug 7
WatermelonsFrost May 16-30
Moon May 26-30
Frost Jun 20-27
Moon Jun 25-27
Frost Jun 13-20
Jun 5
Winter SquashFrost May 16-23
Frost Jun 13-27
Moon Jun 25-27
Frost Jun 20-27
Moon Jun 25-27
May 15
Zucchini (Summer Squash)Frost May 16-23
Frost Jun 13-27
Moon Jun 25-27
Frost Jun 20-27
Moon Jun 25-27
Jul 3