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

Planting Calendar for Windsor, CO

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.

Print Friendly and PDF

Planting Dates for Spring

On average, your last spring frost occurs on May 8 (at FT COLLINS 4 E, CO climate station, elevation 4921 feet).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds IndoorsPlant Seedlings
or Transplants
Start Seeds Outdoors
ArugulaN/AN/AFrost Apr 24-May 8
Moon Apr 30-May 8
BasilFrost Mar 12-27
Moon Mar 12-18
Frost May 8-29
Moon May 8-15
N/A
BeetsN/AN/AFrost Apr 24-May 15
Moon Apr 24-29
Bell PeppersFrost Feb 26-Mar 12
Moon Mar 2-12
Frost May 15-29
Moon May 15
N/A
BroccoliFrost Mar 12-27
Moon Mar 12-18
Frost Apr 10-May 1
Moon Apr 10-16, Apr 30-May 1
N/A
CabbageFrost Mar 12-27
Moon Mar 12-18
Frost Apr 10-24
Moon Apr 10-16
N/A
CantaloupesFrost Apr 10-17
Moon Apr 10-16
Frost May 22-Jun 5
Moon May 30-Jun 5
N/A
CarrotsN/AN/AFrost Apr 3-17
Moon Apr 17
CauliflowerFrost Mar 12-27
Moon Mar 12-18
Frost Apr 10-May 1
Moon Apr 10-16, Apr 30-May 1
N/A
CeleryFrost Feb 26-Mar 12
Moon Mar 2-12
Frost May 15-29
Moon May 15
N/A
ChivesN/AN/AFrost Apr 10-17
Moon Apr 10-16
Cilantro (Coriander)N/AN/AFrost May 8-22
Moon May 8-15
CornN/AN/AFrost May 22-Jun 12
Moon May 30-Jun 12
CucumbersFrost Apr 10-17
Moon Apr 10-16
Frost May 22-Jun 5
Moon May 30-Jun 5
N/A
DillN/AN/AFrost May 8-Jun 12
Moon May 8-15, May 30-Jun 12
EggplantsFrost Mar 12-27
Moon Mar 12-18
Frost May 22-Jun 5
Moon May 30-Jun 5
N/A
Green BeansN/AN/AFrost May 15-Jun 5
Moon May 15, May 30-Jun 5
Jalapeño PeppersFrost Feb 26-Mar 12
Moon Mar 2-12
Frost May 15-29
Moon May 15
N/A
KaleFrost Mar 12-27
Moon Mar 12-18
Frost Apr 10-May 1
Moon Apr 10-16, Apr 30-May 1
N/A
KohlrabiFrost Mar 27-Apr 10
Moon Apr 1-10
Frost Apr 17-24
N/A
LettuceFrost Mar 27-Apr 10
Moon Apr 1-10
Frost Apr 24-May 22
Moon Apr 30-May 15
N/A
OkraN/AN/AFrost May 22-Jun 5
Moon May 30-Jun 5
OnionsN/AN/AFrost Apr 10-May 1
Moon Apr 17-29
OreganoFrost Feb 26-Mar 27
Moon Mar 2-12, Mar 14-18
Frost May 8-29
Moon May 8-15
N/A
ParsleyN/AN/AFrost Apr 10-24
Moon Apr 10-16
ParsnipsN/AN/AFrost Apr 17-May 8
Moon Apr 17-29
PeasN/AN/AFrost Mar 27-Apr 17
Moon Apr 1-16
PotatoesN/AN/AFrost May 1-22
Moon May 16-22
PumpkinsFrost Apr 17-May 1
Moon Apr 30-May 1
Frost May 22-Jun 5
Moon May 30-Jun 5
N/A
RadishesN/AN/AFrost Mar 12-Apr 3
Moon Mar 19-31
RosemaryFrost Feb 26-Mar 12
Moon Mar 2-12
Frost May 15-Jun 5
Moon May 15, May 30-Jun 5
N/A
SageFrost Mar 12-27
Moon Mar 12-18
Frost May 8-22
Moon May 8-15
N/A
SpinachN/AN/AFrost Mar 27-Apr 17
Moon Apr 1-16
Sweet PotatoesN/AN/AFrost May 29-Jun 12
Moon May 29
Swiss ChardFrost Mar 27-Apr 10
Moon Apr 1-10
Frost Apr 17-24
N/A
ThymeFrost Feb 26-Mar 27
Moon Mar 2-12, Mar 14-18
Frost May 8-29
Moon May 8-15
N/A
TomatoesFrost Mar 12-27
Moon Mar 12-18
Frost May 15-Jun 5
Moon May 15, May 30-Jun 5
N/A
TurnipsN/AN/AFrost Apr 10-May 1
Moon Apr 17-29
WatermelonsFrost Apr 10-17
Moon Apr 10-16
Frost May 22-Jun 5
Moon May 30-Jun 5
N/A
Winter SquashN/AN/AFrost May 22-Jun 19
Moon May 30-Jun 14
ZucchiniN/AN/AFrost May 22-Jun 19
Moon May 30-Jun 14

Planting Dates for Fall

On average, your first fall frost occurs on October 1 (at FT COLLINS 4 E, CO climate station).
CropFrost Based on Frost Dates
Start Seeds Indoors by...Plant Seedlings Outdoors by...Start Seeds Outdoors by...
ArugulaN/AN/AFrost Aug 27
BeetsN/AN/AFrost Aug 17
Bell PeppersFrost Apr 18Frost Jun 13N/A
BroccoliFrost Jun 20Frost Jul 18N/A
CabbageFrost Jun 10Frost Jul 8N/A
CantaloupesN/AN/AFrost June 5
CarrotsN/AN/AFrost Aug 12
CauliflowerFrost Jun 20Frost Jul 18N/A
CeleryFrost Apr 9Frost Jun 18N/A
CornN/AN/AFrost Jun 23
CucumbersN/AN/AFrost Jun 28
EggplantsFrost Apr 18Frost Jun 13N/A
Green BeansN/AN/AFrost Jun 28
Jalapeño PeppersFrost May 8Frost Jul 3N/A
KaleFrost Jul 10Frost Aug 7N/A
KohlrabiN/AN/AFrost Aug 12
LettuceN/AN/AFrost Aug 22
OkraN/AN/AFrost Jun 23
ParsnipsN/AN/AFrost Jun 28
PeasN/AN/AFrost Jul 28
PotatoesN/AN/AFrost Jul 18
PumpkinsN/AN/AFrost June 5
RadishesN/AN/AFrost Aug 27
SpinachN/AN/AFrost Sep 6
Sweet PotatoesFrost Apr 29Frost June 12N/A
Swiss ChardN/AN/AFrost Aug 22
TomatoesFrost Apr 23Frost Jun 18N/A
TurnipsN/AN/AFrost Aug 22
WatermelonsN/AN/AFrost June 5
Winter SquashN/AN/AFrost June 19
ZucchiniN/AN/AFrost Jul 3