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2022 Planting Calendar: When to Start Vegetable Seeds | The Old Farmer's Almanac

Planting Calendar for Phoenix, AZ

For the Almanac's fall and spring planting calendars, we've calculated the best time to start seeds indoors, when to transplant young plants outside, and when to direct seed into the ground.

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Planting Dates for Fall

On average, your first fall frost occurs on December 8 (at SOUTH PHOENIX, AZ climate station).
CropFrost Based on Frost Dates
Start Seeds Indoors by...Plant Seedlings Outdoors by...Start Seeds Outdoors by...
ArugulaN/AN/AFrost Nov 3
BeetsN/AN/AFrost Oct 24
Bell PeppersFrost Jun 25Frost Aug 20N/A
BroccoliFrost Aug 27Frost Sep 24N/A
CabbageFrost Aug 17Frost Sep 14N/A
CantaloupesN/AN/AFrost Aug 10
CarrotsN/AN/AFrost Oct 19
CauliflowerFrost Aug 27Frost Sep 24N/A
CeleryFrost Jun 16Frost Aug 25N/A
CornN/AN/AFrost Aug 30
CucumbersN/AN/AFrost Sep 4
EggplantsFrost Jun 25Frost Aug 20N/A
Green BeansN/AN/AFrost Sep 4
Jalapeño PeppersFrost Jul 15Frost Sep 9N/A
KaleFrost Sep 16Frost Oct 14N/A
KohlrabiN/AN/AFrost Oct 19
LettuceN/AN/AFrost Oct 29
OkraN/AN/AFrost Aug 30
ParsnipsN/AN/AFrost Sep 4
PeasN/AN/AFrost Oct 4
PotatoesN/AN/AFrost Sep 24
PumpkinsN/AN/AFrost Jul 21
RadishesN/AN/AFrost Nov 3
SpinachN/AN/AFrost Nov 13
Sweet PotatoesFrost Jul 6Frost Aug 10N/A
Swiss ChardN/AN/AFrost Oct 29
TomatoesFrost Jun 30Frost Aug 25N/A
TurnipsN/AN/AFrost Oct 29
WatermelonsN/AN/AFrost Aug 10
Winter SquashN/AN/AFrost Aug 25
ZucchiniN/AN/AFrost Sep 9

Planting Dates for Spring

On average, your last spring frost occurs on March 1 (at SOUTH PHOENIX, AZ climate station, elevation 1154 feet).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds IndoorsPlant Seedlings
or Transplants
Start Seeds Outdoors
ArugulaN/AN/AFrost Feb 15-Mar 1
Moon Feb 15-16
BasilFrost Jan 4-18
Moon Jan 4-17
Frost Mar 1-22
Moon Mar 2-18
N/A
BeetsN/AN/AFrost Feb 15-Mar 8
Moon Feb 17-Mar 1
Bell PeppersFrost Dec 21-Jan 4
Moon Jan 2- 4
Frost Mar 8-22
Moon Mar 8-18
N/A
BroccoliFrost Jan 4-18
Moon Jan 4-17
Frost Feb 1-22
Moon Feb 1-16
N/A
CabbageFrost Jan 4-18
Moon Jan 4-17
Frost Feb 1-15
Moon Feb 1-15
N/A
CantaloupesFrost Feb 1- 8
Moon Feb 1- 8
Frost Mar 15-29
Moon Mar 15-18
N/A
CarrotsN/AN/AFrost Jan 25-Feb 8
Moon Jan 25-31
CauliflowerFrost Jan 4-18
Moon Jan 4-17
Frost Feb 1-22
Moon Feb 1-16
N/A
CeleryFrost Dec 21-Jan 4
Moon Jan 2- 4
Frost Mar 8-22
Moon Mar 8-18
N/A
ChivesN/AN/AFrost Feb 1- 8
Moon Feb 1- 8
Cilantro (Coriander)N/AN/AFrost Mar 1-15
Moon Mar 2-15
CornN/AN/AFrost Mar 15-Apr 5
Moon Mar 15-18, Apr 1- 5
CucumbersFrost Feb 1- 8
Moon Feb 1- 8
Frost Mar 15-29
Moon Mar 15-18
N/A
DillN/AN/AFrost Mar 1-Apr 5
Moon Mar 2-18
EggplantsFrost Jan 4-18
Moon Jan 4-17
Frost Mar 15-29
Moon Mar 15-18
N/A
Green BeansN/AN/AFrost Mar 8-29
Moon Mar 8-18
Jalapeño PeppersFrost Dec 21-Jan 4
Moon Jan 2- 4
Frost Mar 8-22
Moon Mar 8-18
N/A
KaleFrost Jan 4-18
Moon Jan 4-17
Frost Feb 1-22
Moon Feb 1-16
N/A
KohlrabiFrost Jan 18-Feb 1
Moon Feb 1
Frost Feb 8-15
Moon Feb 8-15
N/A
LettuceFrost Jan 18-Feb 1
Moon Feb 1
Frost Feb 15-Mar 15
Moon Feb 15-16, Mar 2-15
N/A
OkraN/AN/AFrost Mar 15-29
Moon Mar 15-18
OnionsN/AN/AFrost Feb 1-22
Moon Feb 17-22
OreganoFrost Dec 21-Jan 18
Moon Jan 2-17
Frost Mar 1-22
Moon Mar 2-18
N/A
ParsleyN/AN/AFrost Feb 1-15
Moon Feb 1-15
ParsnipsN/AN/AFrost Feb 8-Mar 1
Moon Feb 17-Mar 1
PeasN/AN/AFrost Jan 18-Feb 8
Moon Feb 1- 8
PotatoesN/AN/AFrost Feb 22-Mar 15
Moon Feb 22-Mar 1
PumpkinsFrost Feb 8-22
Moon Feb 8-16
Frost Mar 15-29
Moon Mar 15-18
N/A
RadishesN/AN/AFrost Jan 4-25
Moon Jan 18-25
RosemaryFrost Dec 21-Jan 4
Moon Jan 2- 4
Frost Mar 8-29
Moon Mar 8-18
N/A
SageFrost Jan 4-18
Moon Jan 4-17
Frost Mar 1-15
Moon Mar 2-15
N/A
SpinachN/AN/AFrost Jan 18-Feb 8
Moon Feb 1- 8
Sweet PotatoesN/AN/AFrost Mar 22-Apr 5
Moon Mar 22-31
Swiss ChardFrost Jan 18-Feb 1
Moon Feb 1
Frost Feb 8-15
Moon Feb 8-15
N/A
ThymeFrost Dec 21-Jan 18
Moon Jan 2-17
Frost Mar 1-22
Moon Mar 2-18
N/A
TomatoesFrost Jan 4-18
Moon Jan 4-17
Frost Mar 8-29
Moon Mar 8-18
N/A
TurnipsN/AN/AFrost Feb 1-22
Moon Feb 17-22
WatermelonsFrost Feb 1- 8
Moon Feb 1- 8
Frost Mar 15-29
Moon Mar 15-18
N/A
Winter SquashN/AN/AFrost Mar 15-Apr 12
Moon Mar 15-18, Apr 1-12
ZucchiniN/AN/AFrost Mar 15-Apr 12
Moon Mar 15-18, Apr 1-12