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Planting Calendar for Ardentown, DE

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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 April 3 (at MARCUS HOOK, PA climate station, elevation 9 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 6-20
Moon Feb 9-20
Frost Mar 13-27
Moon Mar 13-25
Frost Mar 5-13
Oct 13
AsparagusN/AN/AFrost Mar 20-Apr 3
Moon Mar 26-Apr 3
Apr 3
BasilFrost Feb 20-Mar 5
Moon Feb 20-24
Frost Apr 17-May 1
Moon Apr 17-23
Frost Apr 17-May 1
Moon Apr 17-23
Sep 29
BeetsN/AFrost Mar 20-Apr 3
Moon Mar 26-Apr 3
Frost Mar 5-13
Moon Mar 5-13
Apr 17
Bell PeppersFrost Jan 23-Feb 6
Moon Jan 23-25
Frost Apr 17-24
Moon Apr 17-23
N/AAug 18
Bok ChoyFrost Feb 20-Mar 5
Moon Feb 20-24
Frost Apr 17-24
Moon Apr 17-23
Frost Apr 17-24
Moon Apr 17-23
May 15
BroccoliFrost Feb 6-20
Moon Feb 9-20
Frost Mar 20-Apr 3
Moon Mar 20-25
Frost Mar 5-13
Sep 8
Brussels SproutsFrost Feb 20-Mar 5
Moon Feb 20-24
Frost Mar 20-Apr 3
Moon Mar 20-25
Frost Mar 5-13
Aug 4
CabbageFrost Feb 6-20
Moon Feb 9-20
Frost Mar 20-Apr 3
Moon Mar 20-25
Frost Mar 5-13
Jul 28
CantaloupesFrost Mar 13-27
Moon Mar 13-25
Frost Apr 3-17
Moon Apr 8-17
Frost Apr 10-17
Moon Apr 10-17
Aug 4
CarrotsN/AN/AFrost Mar 5-20
Moon Mar 5-20
Sep 1
CauliflowerFrost Feb 20-Mar 5
Moon Feb 20-24
Frost Mar 27-Apr 10
Moon Apr 8-10
N/ASep 1
CeleryFrost Jan 9-23
Moon Jan 11-23
Frost Apr 10-24
Moon Apr 10-23
Frost Apr 3
Sep 1
ChivesFrost Feb 6-20
Moon Feb 9-20
Frost Mar 13-20
Moon Mar 13-20
Frost Mar 13-20
Moon Mar 13-20
Sep 15
Cilantro (Coriander)N/AN/AFrost Apr 3-17
Moon Apr 8-17
Apr 24
CollardsFrost Feb 20-Mar 5
Moon Feb 20-24
Frost Mar 20-Apr 3
Moon Mar 20-25
Frost Mar 13-20
Moon Mar 13-20
Sep 1
CucumbersFrost Mar 13-20
Moon Mar 13-20
Frost Apr 10-24
Moon Apr 10-23
Frost Apr 17-24
Moon Apr 17-23
Sep 1
DillN/AN/AFrost Mar 27-Apr 17
Moon Apr 8-17
Sep 15
Dry BeansN/AN/AFrost Apr 17-24
Moon Apr 17-23
Aug 4
EggplantsFrost Feb 6-20
Moon Feb 9-20
Frost Apr 17-24
Moon Apr 17-23
N/ASep 1
Fava BeansN/AN/AFrost Mar 5-13
Apr 17
FennelFrost Feb 20-Mar 5
Moon Feb 20-24
Frost Apr 10-17
Moon Apr 10-17
Frost Apr 3-17
Moon Apr 8-17
Aug 25
GarlicN/AN/AN/A
Green BeansN/AN/AFrost Apr 10-May 1
Moon Apr 10-23
Sep 1
Honeydew MelonsFrost Mar 13-20
Moon Mar 13-20
Frost Apr 17-24
Moon Apr 17-23
Frost Apr 17-24
Moon Apr 17-23
Aug 11
Jalapeño PeppersFrost Jan 23-Feb 6
Moon Jan 23-25
Frost Apr 17-24
Moon Apr 17-23
N/A
KaleFrost Feb 6-20
Moon Feb 9-20
Frost Mar 20-Apr 3
Moon Mar 20-25
Frost Mar 5-13
Apr 17
KohlrabiFrost Feb 20-Mar 5
Moon Feb 20-24
Frost Mar 13-20
Moon Mar 13-20
Frost Mar 5-13
Apr 17
LeeksFrost Jan 23-Feb 6
Moon Jan 23-25
Frost Mar 13-27
Moon Mar 13-25
N/AJul 28
LettuceFrost Feb 20-Mar 5
Moon Feb 20-24
Frost Mar 13-20
Moon Mar 13-20
Frost Mar 5-13
Apr 17
Mustard GreensN/AN/AN/A
OkraFrost Mar 5-20
Frost Apr 17-24
Moon Apr 17-23
Frost Apr 17-May 1
Moon Apr 17-23
Sep 1
OnionsN/AFrost Mar 5-20
Moon Mar 5-20
N/AAug 4
OreganoFrost Jan 23-Feb 20
Moon Jan 23-25, Feb 9-20
Frost Apr 10-24
Moon Apr 10-23
N/ASep 1
ParsleyFrost Jan 23-Feb 6
Moon Jan 23-25
Frost Apr 10-24
Moon Apr 10-23
Frost Mar 5-Apr 10
Moon Mar 21-25
Aug 25
ParsnipsN/AN/AFrost Mar 5-13
Moon Mar 5-13
Aug 4
PeanutsN/AN/AFrost Apr 24-May 8
Moon Apr 24-May 6
PeasN/AN/AFrost Mar 5-13
Apr 17
PotatoesN/AN/AFrost Mar 5-20
Moon Mar 5-20
Sep 1
PumpkinsFrost Mar 13-27
Moon Mar 13-25
Frost Apr 17-24
Moon Apr 17-23
Frost Apr 17-24
Moon Apr 17-23
Jul 28
RadishesN/AN/AFrost Mar 5-13
Moon Mar 5-13
Sep 15
RosemaryFrost Jan 9-23
Moon Jan 11-23
Frost Apr 17-24
Moon Apr 17-23
N/ASep 15
SageFrost Feb 6-20
Moon Feb 9-20
Frost Apr 10-24
Moon Apr 10-23
N/AAug 25
SalsifyN/AN/AFrost Mar 5-20
Moon Mar 5-20
Aug 4
SpinachFrost Feb 20-Mar 5
Moon Feb 20-24
Frost Mar 13-20
Moon Mar 13-20
Frost Mar 5-13
Apr 17
Sweet CornN/AN/AFrost Apr 17-May 1
Moon Apr 17-23
Aug 25
Sweet PotatoesN/AN/AFrost Apr 17-May 1
Moon Apr 24-May 1
Jul 28
Swiss ChardFrost Feb 20-Mar 5
Moon Feb 20-24
Frost Mar 20-Apr 3
Moon Mar 20-25
Frost Mar 13-Apr 3
Moon Mar 13-25
Apr 17
ThymeFrost Jan 23-Feb 6
Moon Jan 23-25
Frost Apr 10-17
Moon Apr 10-17
N/AAug 18
TomatillosFrost Feb 20-Mar 5
Moon Feb 20-24
Frost Apr 17-May 1
Moon Apr 17-23
N/AAug 25
TomatoesFrost Feb 6-20
Moon Feb 9-20
Frost Apr 17-24
Moon Apr 17-23
N/AAug 11
TurnipsN/AN/AFrost Mar 5-13
Moon Mar 5-13
Oct 13
WatermelonsFrost Mar 13-27
Moon Mar 13-25
Frost Apr 17-24
Moon Apr 17-23
Frost Apr 10-17
Moon Apr 10-17
Aug 11
Winter SquashFrost Mar 13-20
Moon Mar 13-20
Frost Apr 10-24
Moon Apr 10-23
Frost Apr 17-24
Moon Apr 17-23
Jul 21
Zucchini (Summer Squash)Frost Mar 13-20
Moon Mar 13-20
Frost Apr 10-24
Moon Apr 10-23
Frost Apr 17-24
Moon Apr 17-23
Sep 8

Planting Dates for Fall

On average, your first fall frost occurs on November 10 (at MARCUS HOOK, PA climate station).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds OutdoorsTransplantAverage Days to MaturityFrost Tolerance
ArugulaFrost Sep 22-Oct 27
Moon Oct 2-17
N/A40Frost-hardy
BeetsFrost Aug 18-Sep 15
Moon Aug 20-Sep 1
N/A50Frost-tolerant
Bok ChoyFrost Sep 1-22
Moon Sep 2-17
N/A50Frost-tolerant
BroccoliFrost Aug 11-18
Moon Aug 11-18
Frost Sep 1-15
Moon Sep 2-15
60Frost-tolerant
Brussels SproutsFrost Jul 21-Aug 4
Moon Jul 21
N/A100Frost-hardy
CabbageFrost Aug 11-18
Moon Aug 11-18
Frost Sep 1-8
Moon Sep 2-8
90Frost-tolerant
CarrotsFrost Aug 25-Sep 1
Moon Aug 25-Sep 1
N/A70Frost-tolerant
CauliflowerFrost Aug 4-11
Moon Aug 4-11
Frost Aug 18-25
Moon Aug 18-19
75Frost-tolerant
ChivesFrost Aug 18-Sep 15
Moon Aug 18-19, Sep 2-15
N/A70Frost-tolerant
FennelFrost Aug 11-25
Moon Aug 11-19
N/A80Tender
GarlicFrost Nov 24-Dec 8
Moon Nov 24-30
N/A120Frost-hardy
Green BeansFrost Aug 25-Sep 8
Moon Sep 2-8
N/A55Tender
KaleFrost Sep 1-15
Moon Sep 2-15
N/A60Frost-hardy
KohlrabiFrost Sep 8-29
Moon Sep 8-17
N/A45Frost-tolerant
LettuceFrost Sep 1-15
Moon Sep 2-15
N/A60Frost-tolerant
Mustard GreensFrost Sep 8-29
Moon Sep 8-17
N/A45Tender
PeasFrost Sep 1-15
Moon Sep 2-15
N/A55Tender
RadishesFrost Sep 29-Oct 13
Moon Sep 29-Oct 1
N/A25Frost-tolerant
SpinachFrost Sep 22-Oct 13
Moon Oct 2-13
N/A30Frost-hardy
Swiss ChardFrost Sep 1-15
Moon Sep 2-15
N/A60Frost-tolerant
TurnipsFrost Sep 8-22
Moon Sep 18-22
N/A50Frost-tolerant
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