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Planting Calendar for Tualatin, OR | Almanac.com
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Planting Calendar for Tualatin, OR

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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-seasons 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 11 (at BEAVERTON 2 SSW, OR climate station, elevation 269 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 14-28
Moon Feb 14-24
Frost Mar 21-Apr 4
Moon Mar 21-25
Frost Mar 14-21
Moon Mar 14-21
Oct 1
AsparagusN/AN/AFrost Mar 28-Apr 11
Moon Mar 28-Apr 7
Apr 11
BasilFrost Feb 28-Mar 14
Frost Apr 25-May 9
Moon May 7-9
Frost Apr 25-May 9
Moon May 7-9
Sep 17
BeetsN/AFrost Mar 28-Apr 11
Moon Mar 28-Apr 7
Frost Mar 14-21
Apr 25
Bell PeppersFrost Jan 31-Feb 14
Moon Feb 9-14
Frost Apr 25-May 2
N/AAug 6
Bok ChoyFrost Feb 28-Mar 14
Frost Apr 25-May 2
Frost Apr 25-May 2
May 23
BroccoliFrost Feb 14-28
Moon Feb 14-24
Frost Mar 28-Apr 11
Moon Apr 8-11
Frost Mar 14-21
Moon Mar 14-21
Aug 27
Brussels SproutsFrost Feb 28-Mar 14
Frost Mar 28-Apr 11
Moon Apr 8-11
Frost Mar 14-21
Moon Mar 14-21
Jul 23
CabbageFrost Feb 14-28
Moon Feb 14-24
Frost Mar 28-Apr 11
Moon Apr 8-11
Frost Mar 14-21
Moon Mar 14-21
Jul 16
CantaloupesFrost Mar 21-Apr 4
Moon Mar 21-25
Frost Apr 11-25
Moon Apr 11-23
Frost Apr 18-25
Moon Apr 18-23
Jul 23
CarrotsN/AN/AFrost Mar 14-28
Moon Mar 26-28
Aug 20
CauliflowerFrost Feb 28-Mar 14
Frost Apr 4-18
Moon Apr 8-18
N/AAug 20
CeleryFrost Jan 17-31
Moon Jan 17-25
Frost Apr 18-May 2
Moon Apr 18-23
Frost Apr 11
Moon Apr 11
Aug 20
ChivesFrost Feb 14-28
Moon Feb 14-24
Frost Mar 21-28
Moon Mar 21-25
Frost Mar 21-28
Moon Mar 21-25
Sep 3
Cilantro (Coriander)N/AN/AFrost Apr 11-25
Moon Apr 11-23
May 2
CollardsFrost Feb 28-Mar 14
Frost Mar 28-Apr 11
Moon Apr 8-11
Frost Mar 21-28
Moon Mar 21-25
Aug 20
CucumbersFrost Mar 21-28
Moon Mar 21-25
Frost Apr 18-May 2
Moon Apr 18-23
Frost Apr 25-May 2
Aug 20
DillN/AN/AFrost Apr 4-25
Moon Apr 8-23
Sep 3
Dry BeansN/AN/AFrost Apr 25-May 2
Jul 23
EggplantsFrost Feb 14-28
Moon Feb 14-24
Frost Apr 25-May 2
N/AAug 20
Fava BeansN/AN/AFrost Mar 14-21
Moon Mar 14-21
Apr 25
FennelFrost Feb 28-Mar 14
Frost Apr 18-25
Moon Apr 18-23
Frost Apr 11-25
Moon Apr 11-23
Aug 13
GarlicN/AN/AN/A
Green BeansN/AN/AFrost Apr 18-May 9
Moon Apr 18-23, May 7-9
Aug 20
Honeydew MelonsFrost Mar 21-28
Moon Mar 21-25
Frost Apr 25-May 2
Frost Apr 25-May 2
Jul 30
Jalapeño PeppersFrost Jan 31-Feb 14
Moon Feb 9-14
Frost Apr 25-May 2
N/A
KaleFrost Feb 14-28
Moon Feb 14-24
Frost Mar 28-Apr 11
Moon Apr 8-11
Frost Mar 14-21
Moon Mar 14-21
Apr 25
KohlrabiFrost Feb 28-Mar 14
Frost Mar 21-28
Moon Mar 21-25
Frost Mar 14-21
Moon Mar 14-21
Apr 25
LeeksFrost Jan 31-Feb 14
Moon Feb 9-14
Frost Mar 21-Apr 4
Moon Mar 21-25
N/AJul 16
LettuceFrost Feb 28-Mar 14
Frost Mar 21-28
Moon Mar 21-25
Frost Mar 14-21
Moon Mar 14-21
Apr 25
Mustard GreensN/AN/AN/A
OkraFrost Mar 14-28
Moon Mar 14-25
Frost Apr 25-May 2
Frost Apr 25-May 9
Moon May 7-9
Aug 20
OnionsN/AFrost Mar 14-28
Moon Mar 26-28
N/AJul 23
OreganoFrost Jan 31-Feb 28
Moon Feb 9-24
Frost Apr 18-May 2
Moon Apr 18-23
N/AAug 20
ParsleyFrost Jan 31-Feb 14
Moon Feb 9-14
Frost Apr 18-May 2
Moon Apr 18-23
Frost Mar 14-Apr 18
Moon Mar 14-25, Apr 8-18
Aug 13
ParsnipsN/AN/AFrost Mar 14-21
Jul 23
PeasN/AN/AFrost Mar 14-21
Moon Mar 14-21
Apr 25
PotatoesN/AN/AFrost Mar 14-28
Moon Mar 26-28
Aug 20
PumpkinsFrost Mar 21-Apr 4
Moon Mar 21-25
Frost Apr 25-May 2
Frost Apr 25-May 2
Jul 16
RadishesN/AN/AFrost Mar 14-21
Sep 3
RosemaryFrost Jan 17-31
Moon Jan 17-25
Frost Apr 25-May 2
N/ASep 3
SageFrost Feb 14-28
Moon Feb 14-24
Frost Apr 18-May 2
Moon Apr 18-23
N/AAug 13
SalsifyN/AN/AFrost Mar 14-28
Moon Mar 26-28
Jul 23
SpinachFrost Feb 28-Mar 14
Frost Mar 21-28
Moon Mar 21-25
Frost Mar 14-21
Moon Mar 14-21
Apr 25
Sweet CornN/AN/AFrost Apr 25-May 9
Moon May 7-9
Aug 13
Sweet PotatoesN/AN/AFrost Apr 25-May 9
Moon Apr 25-May 6
Jul 16
Swiss ChardFrost Feb 28-Mar 14
Frost Mar 28-Apr 11
Moon Apr 8-11
Frost Mar 21-Apr 11
Moon Mar 21-25, Apr 8-11
Apr 25
ThymeFrost Jan 31-Feb 14
Moon Feb 9-14
Frost Apr 18-25
Moon Apr 18-23
N/AAug 6
TomatillosFrost Feb 28-Mar 14
Frost Apr 25-May 9
Moon May 7-9
N/AAug 13
TomatoesFrost Feb 14-28
Moon Feb 14-24
Frost Apr 25-May 2
N/AJul 30
TurnipsN/AN/AFrost Mar 14-21
Oct 1
WatermelonsFrost Mar 21-Apr 4
Moon Mar 21-25
Frost Apr 25-May 2
Frost Apr 18-25
Moon Apr 18-23
Jul 30
Winter SquashFrost Mar 21-28
Moon Mar 21-25
Frost Apr 18-May 2
Moon Apr 18-23
Frost Apr 25-May 2
Jul 9
Zucchini (Summer Squash)Frost Mar 21-28
Moon Mar 21-25
Frost Apr 18-May 2
Moon Apr 18-23
Frost Apr 25-May 2
Aug 27

Planting Dates for Fall

On average, your first fall frost occurs on October 29 (at BEAVERTON 2 SSW, OR climate station).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds OutdoorsTransplantAverage Days to MaturityFrost Tolerance
ArugulaFrost Sep 10-Oct 15
Moon Sep 10-17, Oct 2-15
N/A40Frost-hardy
BeetsFrost Aug 6-Sep 3
Moon Aug 20-Sep 1
N/A50Frost-tolerant
Bok ChoyFrost Aug 20-Sep 10
Moon Sep 2-10
N/A50Frost-tolerant
BroccoliFrost Jul 30-Aug 6
Moon Aug 4-6
Frost Aug 20-Sep 3
Moon Sep 2-3
60Frost-tolerant
Brussels SproutsFrost Jul 9-23
Moon Jul 9-21
N/A100Frost-hardy
CabbageFrost Jul 30-Aug 6
Moon Aug 4-6
Frost Aug 20-27
90Frost-tolerant
CarrotsFrost Aug 13-20
Moon Aug 20
N/A70Frost-tolerant
CauliflowerFrost Jul 23-30
Frost Aug 6-13
Moon Aug 6-13
75Frost-tolerant
ChivesFrost Aug 6-Sep 3
Moon Aug 6-19, Sep 2-3
N/A70Frost-tolerant
FennelFrost Jul 30-Aug 13
Moon Aug 4-13
N/A80Tender
GarlicFrost Nov 11-25
Moon Nov 16-25
N/A120Frost-hardy
Green BeansFrost Aug 13-27
Moon Aug 13-19
N/A55Tender
KaleFrost Aug 20-Sep 3
Moon Sep 2-3
N/A60Frost-hardy
KohlrabiFrost Aug 27-Sep 17
Moon Sep 2-17
N/A45Frost-tolerant
LettuceFrost Aug 20-Sep 3
Moon Sep 2-3
N/A60Frost-tolerant
Mustard GreensFrost Aug 27-Sep 17
Moon Sep 2-17
N/A45Tender
PeasFrost Aug 20-Sep 3
Moon Sep 2-3
N/A55Tender
RadishesFrost Sep 17-Oct 1
Moon Sep 18-Oct 1
N/A25Frost-tolerant
SpinachFrost Sep 10-Oct 1
Moon Sep 10-17
N/A30Frost-hardy
Swiss ChardFrost Aug 20-Sep 3
Moon Sep 2-3
N/A60Frost-tolerant
TurnipsFrost Aug 27-Sep 10
Moon Aug 27-Sep 1
N/A50Frost-tolerant
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