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Planting Calendar for Islip, NY

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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 Fall

On average, your first fall frost occurs on November 3 (at MOLLOY CERCOM, NY climate station).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds OutdoorsTransplantAverage Days to MaturityFrost Tolerance
ArugulaFrost Sep 15-Oct 20
Moon Sep 15-17, Oct 2-17
N/A40Frost-hardy
BeetsFrost Aug 11-Sep 8
Moon Aug 20-Sep 1
N/A50Frost-tolerant
Bok ChoyFrost Aug 25-Sep 15
Moon Sep 2-15
N/A50Frost-tolerant
BroccoliFrost Aug 4-11
Moon Aug 4-11
Frost Aug 25-Sep 8
Moon Sep 2-8
60Frost-tolerant
Brussels SproutsFrost Jul 14-28
Moon Jul 14-21
N/A100Frost-hardy
CabbageFrost Aug 4-11
Moon Aug 4-11
Frost Aug 25-Sep 1
90Frost-tolerant
CarrotsFrost Aug 18-25
Moon Aug 20-25
N/A70Frost-tolerant
CauliflowerFrost Jul 28-Aug 4
Moon Aug 4
Frost Aug 11-18
Moon Aug 11-18
75Frost-tolerant
ChivesFrost Aug 11-Sep 8
Moon Aug 11-19, Sep 2-8
N/A70Frost-tolerant
FennelFrost Aug 4-18
Moon Aug 4-18
N/A80Tender
GarlicFrost Nov 16-30
Moon Nov 16-30
N/A120Frost-hardy
Green BeansFrost Aug 18-Sep 1
Moon Aug 18-19
N/A55Tender
KaleFrost Aug 25-Sep 8
Moon Sep 2-8
N/A60Frost-hardy
KohlrabiFrost Sep 1-22
Moon Sep 2-17
N/A45Frost-tolerant
LettuceFrost Aug 25-Sep 8
Moon Sep 2-8
N/A60Frost-tolerant
Mustard GreensFrost Sep 1-22
Moon Sep 2-17
N/A45Tender
PeasFrost Aug 25-Sep 8
Moon Sep 2-8
N/A55Tender
RadishesFrost Sep 22-Oct 6
Moon Sep 22-Oct 1
N/A25Frost-tolerant
SpinachFrost Sep 15-Oct 6
Moon Sep 15-17, Oct 2-6
N/A30Frost-hardy
Swiss ChardFrost Aug 25-Sep 8
Moon Sep 2-8
N/A60Frost-tolerant
TurnipsFrost Sep 1-15
Moon Sep 1
N/A50Frost-tolerant

Planting Dates for Spring

On average, your last spring frost occurs on April 10 (at MOLLOY CERCOM, NY climate station, elevation 6 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 13-27
Moon Feb 13-24
Frost Mar 20-Apr 3
Moon Mar 20-25
Frost Mar 13-20
Moon Mar 13-20
Oct 6
AsparagusN/AN/AFrost Mar 27-Apr 10
Moon Mar 27-Apr 7
Apr 10
BasilFrost Feb 27-Mar 13
Frost Apr 24-May 8
Moon May 7-8
Frost Apr 24-May 8
Moon May 7-8
Sep 22
BeetsN/AFrost Mar 27-Apr 10
Moon Mar 27-Apr 7
Frost Mar 13-20
Apr 24
Bell PeppersFrost Jan 30-Feb 13
Moon Feb 9-13
Frost Apr 24-May 1
N/AAug 11
Bok ChoyFrost Feb 27-Mar 13
Frost Apr 24-May 1
Frost Apr 24-May 1
May 22
BroccoliFrost Feb 13-27
Moon Feb 13-24
Frost Mar 27-Apr 10
Moon Apr 8-10
Frost Mar 13-20
Moon Mar 13-20
Sep 1
Brussels SproutsFrost Feb 27-Mar 13
Frost Mar 27-Apr 10
Moon Apr 8-10
Frost Mar 13-20
Moon Mar 13-20
Jul 28
CabbageFrost Feb 13-27
Moon Feb 13-24
Frost Mar 27-Apr 10
Moon Apr 8-10
Frost Mar 13-20
Moon Mar 13-20
Apr 17
CantaloupesFrost Mar 20-Apr 3
Moon Mar 20-25
Frost Apr 10-24
Moon Apr 10-23
Frost Apr 17-24
Moon Apr 17-23
Jul 28
CarrotsN/AN/AFrost Mar 13-27
Moon Mar 26-27
Aug 25
CauliflowerFrost Feb 27-Mar 13
Frost Apr 3-17
Moon Apr 8-17
N/AAug 18
CeleryFrost Jan 16-30
Moon Jan 16-25
Frost Apr 17-May 1
Moon Apr 17-23
Frost Apr 10
Moon Apr 10
Aug 25
ChivesFrost Feb 13-27
Moon Feb 13-24
Frost Mar 20-27
Moon Mar 20-25
Frost Mar 20-27
Moon Mar 20-25
Sep 8
Cilantro (Coriander)N/AN/AFrost Apr 10-24
Moon Apr 10-23
May 1
CollardsFrost Feb 27-Mar 13
Frost Mar 27-Apr 10
Moon Apr 8-10
Frost Mar 20-27
Moon Mar 20-25
Aug 25
CucumbersFrost Mar 20-27
Moon Mar 20-25
Frost Apr 17-May 1
Moon Apr 17-23
Frost Apr 24-May 1
Aug 25
DillN/AN/AFrost Apr 3-24
Moon Apr 8-23
Sep 8
Dry BeansN/AN/AFrost Apr 24-May 1
Jul 28
EggplantsFrost Feb 13-27
Moon Feb 13-24
Frost Apr 24-May 1
N/AAug 25
Fava BeansN/AN/AFrost Mar 13-20
Moon Mar 13-20
Apr 24
FennelFrost Feb 27-Mar 13
Frost Apr 17-24
Moon Apr 17-23
Frost Apr 10-24
Moon Apr 10-23
Aug 18
GarlicN/AN/AN/A
Green BeansN/AN/AFrost Apr 17-May 8
Moon Apr 17-23, May 7-8
Aug 25
Honeydew MelonsFrost Mar 20-27
Moon Mar 20-25
Frost Apr 24-May 1
Frost Apr 24-May 1
Aug 4
Jalapeño PeppersFrost Jan 30-Feb 13
Moon Feb 9-13
Frost Apr 24-May 1
N/A
KaleFrost Feb 13-27
Moon Feb 13-24
Frost Mar 27-Apr 10
Moon Apr 8-10
Frost Mar 13-20
Moon Mar 13-20
Apr 24
KohlrabiFrost Feb 27-Mar 13
Frost Mar 20-27
Moon Mar 20-25
Frost Mar 13-20
Moon Mar 13-20
Apr 24
LeeksFrost Jan 30-Feb 13
Moon Feb 9-13
Frost Mar 20-Apr 3
Moon Mar 20-25
N/AJul 21
LettuceFrost Feb 27-Mar 13
Frost Mar 20-27
Moon Mar 20-25
Frost Mar 13-20
Moon Mar 13-20
Apr 24
MicrogreensN/AN/AN/A
Mustard GreensN/AN/AN/A
OkraFrost Mar 13-27
Moon Mar 13-25
Frost Apr 24-May 1
Frost Apr 24-May 8
Moon May 7-8
Aug 25
OnionsN/AFrost Mar 13-27
Moon Mar 26-27
N/AJul 28
OreganoFrost Jan 30-Feb 27
Moon Feb 9-24
Frost Apr 17-May 1
Moon Apr 17-23
N/AAug 25
ParsleyFrost Jan 30-Feb 13
Moon Feb 9-13
Frost Apr 17-May 1
Moon Apr 17-23
Frost Mar 13-Apr 17
Moon Mar 13-25, Apr 8-17
Aug 18
ParsnipsN/AN/AFrost Mar 13-20
Jul 28
PeanutsN/AN/AFrost May 1-15
Moon May 1-6
PeasN/AN/AFrost Mar 13-20
Moon Mar 13-20
Apr 24
PotatoesN/AN/AFrost Mar 13-27
Moon Mar 26-27
Aug 25
PumpkinsFrost Mar 20-Apr 3
Moon Mar 20-25
Frost Apr 24-May 1
Frost Apr 24-May 1
Jul 21
RadishesN/AN/AFrost Mar 13-20
Sep 8
RosemaryFrost Jan 16-30
Moon Jan 16-25
Frost Apr 24-May 1
N/ASep 8
SageFrost Feb 13-27
Moon Feb 13-24
Frost Apr 17-May 1
Moon Apr 17-23
N/AAug 18
SalsifyN/AN/AFrost Mar 13-27
Moon Mar 26-27
Jul 28
SpinachFrost Feb 27-Mar 13
Frost Mar 20-27
Moon Mar 20-25
Frost Mar 13-20
Moon Mar 13-20
Apr 24
Sweet CornN/AN/AFrost Apr 24-May 8
Moon May 7-8
Aug 18
Sweet PotatoesN/AN/AFrost Apr 24-May 8
Moon Apr 24-May 6
Jul 21
Swiss ChardFrost Feb 27-Mar 13
Frost Mar 27-Apr 10
Moon Apr 8-10
Frost Mar 20-Apr 10
Moon Mar 20-25, Apr 8-10
Apr 24
ThymeFrost Jan 30-Feb 13
Moon Feb 9-13
Frost Apr 17-24
Moon Apr 17-23
N/AAug 11
TomatillosFrost Feb 27-Mar 13
Frost Apr 24-May 8
Moon May 7-8
N/AAug 18
TomatoesFrost Feb 13-27
Moon Feb 13-24
Frost Apr 24-May 1
N/AAug 4
TurnipsN/AN/AFrost Mar 13-20
Oct 6
WatermelonsFrost Mar 20-Apr 3
Moon Mar 20-25
Frost Apr 24-May 1
Frost Apr 17-24
Moon Apr 17-23
Aug 4
Winter SquashFrost Mar 20-27
Moon Mar 20-25
Frost Apr 17-May 1
Moon Apr 17-23
Frost Apr 24-May 1
Jul 14
Zucchini (Summer Squash)Frost Mar 20-27
Moon Mar 20-25
Frost Apr 17-May 1
Moon Apr 17-23
Frost Apr 24-May 1
Sep 1
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