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Colorado, US

Planting calendar for Colorado Springs

Last frost around May 5, first frost around October 20: about 168 frost-free days.

Last frost
May 5
on average
First frost
October 20
on average
Frost-free days
168
in a typical year

Sow now: November

See the whole year

Outdoors

Under cover

The year at a glance

When each crop can be sown in Colorado Springs. Tap a crop for exact dates and when it’s ready to harvest.

Sow outdoorsSow under cover (indoors, a greenhouse or a cold frame)
When to sow each crop in Colorado Springs, month by month. Each month says whether you can sow outdoors, under cover, or both.
CropJJanFFebMMarAAprMMayJJunJJulAAugSSepOOctNNovDDec
Fruiting
TomatoJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Not this monthMay: Sow under coverJune: Sow outdoors and under coverJuly: Sow under coverAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
Chile pepperJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Not this monthMay: Sow under coverJune: Sow outdoors and under coverJuly: Sow under coverAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
Bell pepperJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Not this monthMay: Sow under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
EggplantJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Not this monthMay: Sow under coverJune: Sow outdoors and under coverJuly: Sow under coverAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
ZucchiniJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Not this monthMay: Sow under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow under coverOctober: Not this monthNovember: Not this monthDecember: Not this month
CucumberJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Not this monthMay: Sow under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
Winter squashJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Not this monthMay: Sow under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
Sweet cornJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Not this monthMay: Sow under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
Roots
CarrotJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow under coverSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
BeetJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow under coverOctober: Not this monthNovember: Not this monthDecember: Not this month
ParsnipJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow under coverAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
RadishJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow under coverNovember: Not this monthDecember: Not this month
PotatoJanuary: Not this monthFebruary: Not this monthMarch: Plant under coverApril: Plant outdoors and under coverMay: Plant outdoors and under coverJune: Plant under coverJuly: Not this monthAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
TurnipJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow under coverOctober: Not this monthNovember: Not this monthDecember: Not this month
Leaves
LettuceJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow under coverOctober: Not this monthNovember: Not this monthDecember: Not this month
SpinachJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow under coverNovember: Not this monthDecember: Not this month
Swiss chardJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow under coverOctober: Not this monthNovember: Not this monthDecember: Not this month
ArugulaJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow under coverNovember: Not this monthDecember: Not this month
CeleryJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow under coverJuly: Not this monthAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
Beans and peas
Runner beanJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Not this monthMay: Sow under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow under coverSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
Green beanJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Not this monthMay: Sow under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow under coverOctober: Not this monthNovember: Not this monthDecember: Not this month
Fava beanJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow under coverJune: Not this monthJuly: Not this monthAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
PeaJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow under coverSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
Onion family
OnionJanuary: Not this monthFebruary: Not this monthMarch: Plant under coverApril: Plant outdoors and under coverMay: Plant outdoors and under coverJune: Plant under coverJuly: Not this monthAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
GarlicJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Not this monthMay: Not this monthJune: Not this monthJuly: Not this monthAugust: Not this monthSeptember: Plant under coverOctober: Plant outdoors and under coverNovember: Plant under coverDecember: Not this month
LeekJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow under coverSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
ScallionJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow under coverOctober: Not this monthNovember: Not this monthDecember: Not this month
ShallotJanuary: Not this monthFebruary: Not this monthMarch: Plant under coverApril: Plant outdoors and under coverMay: Plant outdoors and under coverJune: Plant outdoors and under coverJuly: Plant under coverAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
Brassicas
CabbageJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
BroccoliJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow under coverSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
CauliflowerJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow under coverSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
Brussels sproutJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow under coverAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
KaleJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow under coverSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
Bok choyJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow under coverOctober: Not this monthNovember: Not this monthDecember: Not this month
Herbs
BasilJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Sow under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow under coverOctober: Not this monthNovember: Not this monthDecember: Not this month
ParsleyJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow under coverOctober: Not this monthNovember: Not this monthDecember: Not this month
CilantroJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow under coverOctober: Not this monthNovember: Not this monthDecember: Not this month
ChivesJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow under coverAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
MintJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow under coverNovember: Not this monthDecember: Not this month
Fruit
StrawberryJanuary: Not this monthFebruary: Not this monthMarch: Plant under coverApril: Plant outdoors and under coverMay: Plant outdoors and under coverJune: Plant outdoors and under coverJuly: Plant under coverAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
RaspberryJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Not this monthMay: Not this monthJune: Not this monthJuly: Not this monthAugust: Not this monthSeptember: Plant under coverOctober: Plant outdoors and under coverNovember: Plant outdoors and under coverDecember: Not this month
RhubarbJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Not this monthMay: Not this monthJune: Not this monthJuly: Not this monthAugust: Not this monthSeptember: Plant under coverOctober: Plant outdoors and under coverNovember: Plant under coverDecember: Not this month

Fruit rows show when to plant, not sow.

Crop by crop

Fruiting

TomatoOutdoors Jun 9 to Jul 4; Under cover May 12 to Aug 1
Tomato growing on a plot
Sow outdoors
Jun 9 to Jul 4
Under cover
May 12 to Aug 1
First harvest
About 66 days after sowing. Sown on June 9, ready around August 14.
Warmth
Tender: needs days averaging 54°F or more, and no frost.
Tomato across the US, town by town
Chile pepperOutdoors Jun 8 to Jul 4; Under cover May 11 to Aug 1
Chile pepper growing on a plot
Sow outdoors
Jun 8 to Jul 4
Under cover
May 11 to Aug 1
First harvest
About 84 days after sowing. Sown on June 8, ready around August 31.
Warmth
Tender: needs days averaging 54°F or more, and no frost.
Chile pepper across the US, town by town
Bell pepperOutdoors Jun 13 to Jul 9; Under cover May 16 to Aug 6
Bell pepper growing on a plot
Sow outdoors
Jun 13 to Jul 9
Under cover
May 16 to Aug 6
First harvest
About 78 days after sowing. Sown on June 13, ready around August 30.
Warmth
Tender: needs days averaging 54°F or more, and no frost.
Bell pepper across the US, town by town
EggplantOutdoors Jun 13 to Jul 4; Under cover May 16 to Aug 1
Eggplant growing on a plot
Sow outdoors
Jun 13 to Jul 4
Under cover
May 16 to Aug 1
First harvest
About 90 days after sowing. Sown on June 13, ready around September 11.
Warmth
Tender: needs days averaging 54°F or more, and no frost.
Eggplant across the US, town by town
ZucchiniOutdoors Jun 8 to Aug 14; Under cover May 11 to Sep 11
Zucchini growing on a plot
Sow outdoors
Jun 8 to Aug 14
Under cover
May 11 to Sep 11
First harvest
About 36 days after sowing. Sown on June 8, ready around July 14.
Warmth
Tender: needs days averaging 54°F or more, and no frost.
Zucchini across the US, town by town
CucumberOutdoors Jun 8 to Aug 9; Under cover May 11 to Sep 6
Cucumber growing on a plot
Sow outdoors
Jun 8 to Aug 9
Under cover
May 11 to Sep 6
First harvest
About 42 days after sowing. Sown on June 8, ready around July 20.
Warmth
Tender: needs days averaging 54°F or more, and no frost.
Cucumber across the US, town by town
Winter squashOutdoors Jun 8 to Jul 9; Under cover May 11 to Aug 6
Winter squash growing on a plot
Sow outdoors
Jun 8 to Jul 9
Under cover
May 11 to Aug 6
First harvest
About 66 days after sowing. Sown on June 8, ready around August 13.
Warmth
Tender: needs days averaging 54°F or more, and no frost.
Winter squash across the US, town by town
Sweet cornOutdoors Jun 3 to Jul 9; Under cover May 6 to Aug 6
Sweet corn growing on a plot
Sow outdoors
Jun 3 to Jul 9
Under cover
May 6 to Aug 6
First harvest
About 60 days after sowing. Sown on June 3, ready around August 2.
Warmth
Tender: needs days averaging 52°F or more, and no frost.
Sweet corn across the US, town by town

Roots

CarrotOutdoors Apr 16 to Jul 25; Under cover Mar 19 to Aug 22
Carrot growing on a plot
Sow outdoors
Apr 16 to Jul 25
Under cover
Mar 19 to Aug 22
First harvest
About 75 days after sowing. Sown on April 16, ready around June 30.
Warmth
Hardy: grows once days average 45°F.
Carrot across the US, town by town
BeetOutdoors Apr 16 to Aug 10; Under cover Mar 19 to Sep 7
Beet growing on a plot
Sow outdoors
Apr 16 to Aug 10
Under cover
Mar 19 to Sep 7
First harvest
About 54 days after sowing. Sown on April 16, ready around June 9.
Warmth
Hardy: grows once days average 45°F.
Beet across the US, town by town
ParsnipOutdoors Apr 9 to Jun 25; Under cover Mar 12 to Jul 23
Parsnip growing on a plot
Sow outdoors
Apr 9 to Jun 25
Under cover
Mar 12 to Jul 23
First harvest
About 92 days after sowing. Sown on April 9, ready around July 10.
Warmth
Hardy: grows once days average 43°F.
Parsnip across the US, town by town
RadishOutdoors Apr 9 to Sep 17; Under cover Mar 12 to Oct 15
Radish growing on a plot
Sow outdoors
Apr 9 to Sep 17
Under cover
Mar 12 to Oct 15
First harvest
About 20 days after sowing. Sown on April 9, ready around April 29.
Warmth
Hardy: grows once days average 43°F; bolts in hot weather.
Radish across the US, town by town
PotatoOutdoors Apr 9 to Jun 4; Under cover Mar 12 to Jul 2
Potato growing on a plot
Plant outdoors
Apr 9 to Jun 4
Under cover
Mar 12 to Jul 2
First harvest
About 71 days after planting. Planted on April 9, ready around June 19.
Warmth
Hardy: grows once days average 43°F.
Potato across the US, town by town
TurnipOutdoors Apr 9 to Aug 21; Under cover Mar 12 to Sep 18
Turnip growing on a plot
Sow outdoors
Apr 9 to Aug 21
Under cover
Mar 12 to Sep 18
First harvest
About 42 days after sowing. Sown on April 9, ready around May 21.
Warmth
Hardy: grows once days average 43°F.
Turnip across the US, town by town

Leaves

LettuceOutdoors Apr 11 to Jun 11, and Jul 20 to Aug 17; Under cover Mar 14 to Sep 14
Lettuce growing on a plot
Sow outdoors
Apr 11 to Jun 11, and Jul 20 to Aug 17
Under cover
Mar 14 to Sep 14
First harvest
About 50 days after sowing. Sown on April 11, ready around May 31.
Warmth
Hardy: grows once days average 43°F; bolts in hot weather.
Lettuce across the US, town by town
SpinachOutdoors Apr 9 to Jun 11, and Jul 20 to Sep 11; Under cover Mar 12 to Oct 9
Spinach growing on a plot
Sow outdoors
Apr 9 to Jun 11, and Jul 20 to Sep 11
Under cover
Mar 12 to Oct 9
First harvest
About 32 days after sowing. Sown on April 9, ready around May 11.
Warmth
Hardy: grows once days average 43°F; bolts in hot weather.
Spinach across the US, town by town
Swiss chardOutdoors Apr 16 to Aug 21; Under cover Mar 19 to Sep 18
Swiss chard growing on a plot
Sow outdoors
Apr 16 to Aug 21
Under cover
Mar 19 to Sep 18
First harvest
About 46 days after sowing. Sown on April 16, ready around June 1.
Warmth
Hardy: grows once days average 45°F.
Swiss chard across the US, town by town
ArugulaOutdoors Apr 9 to Jun 11, and Jul 20 to Sep 13; Under cover Mar 12 to Oct 11
Arugula growing on a plot
Sow outdoors
Apr 9 to Jun 11, and Jul 20 to Sep 13
Under cover
Mar 12 to Oct 11
First harvest
About 28 days after sowing. Sown on April 9, ready around May 7.
Warmth
Hardy: grows once days average 43°F; bolts in hot weather.
Arugula across the US, town by town
CeleryOutdoors Apr 5 to Jun 4; Under cover Mar 8 to Jul 2
Celery growing on a plot
Sow outdoors
Apr 5 to Jun 4
Under cover
Mar 8 to Jul 2
First harvest
About 87 days after sowing. Sown on April 5, ready around July 1.
Warmth
Hardy: grows once days average 41°F.
Celery across the US, town by town

Beans and peas

Runner beanOutdoors Jun 3 to Aug 1; Under cover May 6 to Aug 29
Runner bean growing on a plot
Sow outdoors
Jun 3 to Aug 1
Under cover
May 6 to Aug 29
First harvest
About 54 days after sowing. Sown on June 3, ready around July 27.
Warmth
Tender: needs days averaging 52°F or more, and no frost.
Runner bean across the US, town by town
Green beanOutdoors Jun 3 to Aug 11; Under cover May 6 to Sep 8
Green bean growing on a plot
Sow outdoors
Jun 3 to Aug 11
Under cover
May 6 to Sep 8
First harvest
About 42 days after sowing. Sown on June 3, ready around July 15.
Warmth
Tender: needs days averaging 52°F or more, and no frost.
Green bean across the US, town by town
Fava beanOutdoors Apr 2 to Apr 21; Under cover Mar 5 to Mar 24, and Apr 2 to Apr 21, and Apr 30 to May 19
Fava bean growing on a plot
Sow outdoors
Apr 2 to Apr 21
Under cover
Mar 5 to Mar 24, and Apr 2 to Apr 21, and Apr 30 to May 19
First harvest
About 220 days after sowing. Sown on April 2, ready around November 8.
Warmth
Hardy: goes in as the weather cools, and grows on through winter.
Fava bean across the US, town by town
PeaOutdoors Apr 9 to Jul 10; Under cover Mar 12 to Aug 7
Pea growing on a plot
Sow outdoors
Apr 9 to Jul 10
Under cover
Mar 12 to Aug 7
First harvest
About 56 days after sowing. Sown on April 9, ready around June 4.
Warmth
Hardy: grows once days average 43°F; bolts in hot weather.
Pea across the US, town by town

Onion family

OnionOutdoors Apr 8 to May 29; Under cover Mar 11 to Jun 26
Onion growing on a plot
Plant outdoors
Apr 8 to May 29
Under cover
Mar 11 to Jun 26
First harvest
About 98 days after planting. Planted on April 8, ready around July 15.
Warmth
Hardy: grows once days average 43°F.
Onion across the US, town by town
GarlicOutdoors Oct 6 to Nov 1; Under cover Sep 8 to Nov 29
Garlic growing on a plot
Plant outdoors
Oct 6 to Nov 1
Under cover
Sep 8 to Nov 29
First harvest
About 250 days after planting. Planted on October 6, ready around June 13.
Warmth
Hardy: goes in as the weather cools, and grows on through winter.
Garlic across the US, town by town
LeekOutdoors Apr 9 to Jul 25; Under cover Mar 12 to Aug 22
Leek growing on a plot
Sow outdoors
Apr 9 to Jul 25
Under cover
Mar 12 to Aug 22
First harvest
About 106 days after sowing. Sown on April 9, ready around July 24.
Warmth
Hardy: grows once days average 43°F.
Leek across the US, town by town
ScallionOutdoors Apr 5 to Aug 31; Under cover Mar 8 to Sep 28
Scallion growing on a plot
Sow outdoors
Apr 5 to Aug 31
Under cover
Mar 8 to Sep 28
First harvest
About 45 days after sowing. Sown on April 5, ready around May 20.
Warmth
Hardy: grows once days average 41°F.
Scallion across the US, town by town
ShallotOutdoors Apr 2 to Jun 15; Under cover Mar 5 to Jul 13
Shallot growing on a plot
Plant outdoors
Apr 2 to Jun 15
Under cover
Mar 5 to Jul 13
First harvest
About 82 days after planting. Planted on April 2, ready around June 23.
Warmth
Hardy: grows once days average 41°F.
Shallot across the US, town by town

Brassicas

CabbageOutdoors Apr 9 to Aug 9; Under cover Mar 12 to Sep 6
Cabbage growing on a plot
Sow outdoors
Apr 9 to Aug 9
Under cover
Mar 12 to Sep 6
First harvest
About 78 days after sowing. Sown on April 9, ready around June 26.
Warmth
Hardy: grows once days average 43°F.
Cabbage across the US, town by town
BroccoliOutdoors Apr 16 to Jul 15; Under cover Mar 19 to Aug 12
Broccoli growing on a plot
Sow outdoors
Apr 16 to Jul 15
Under cover
Mar 19 to Aug 12
First harvest
About 68 days after sowing. Sown on April 16, ready around June 23.
Warmth
Hardy: grows once days average 45°F.
Broccoli across the US, town by town
CauliflowerOutdoors Apr 9 to Jul 10; Under cover Mar 12 to Aug 7
Cauliflower growing on a plot
Sow outdoors
Apr 9 to Jul 10
Under cover
Mar 12 to Aug 7
First harvest
About 85 days after sowing. Sown on April 9, ready around July 3.
Warmth
Hardy: grows once days average 43°F; bolts in hot weather.
Cauliflower across the US, town by town
Brussels sproutOutdoors Apr 9 to Jun 9; Under cover Mar 12 to Jul 7
Brussels sprout growing on a plot
Sow outdoors
Apr 9 to Jun 9
Under cover
Mar 12 to Jul 7
First harvest
About 124 days after sowing. Sown on April 9, ready around August 11.
Warmth
Hardy: grows once days average 43°F.
Brussels sprout across the US, town by town
KaleOutdoors Apr 16 to Aug 4; Under cover Mar 19 to Sep 1
Kale growing on a plot
Sow outdoors
Apr 16 to Aug 4
Under cover
Mar 19 to Sep 1
First harvest
About 61 days after sowing. Sown on April 16, ready around June 16.
Warmth
Hardy: grows once days average 45°F.
Kale across the US, town by town
Bok choyOutdoors Apr 22 to Jun 11, and Jul 20 to Sep 3; Under cover Mar 25 to Oct 1
Bok choy growing on a plot
Sow outdoors
Apr 22 to Jun 11, and Jul 20 to Sep 3
Under cover
Mar 25 to Oct 1
First harvest
About 37 days after sowing. Sown on April 22, ready around May 29.
Warmth
Hardy: grows once days average 46°F; bolts in hot weather.
Bok choy across the US, town by town

Herbs

BasilOutdoors May 5 to Aug 15; Under cover Apr 7 to Sep 12
Basil growing on a plot
Sow outdoors
May 5 to Aug 15
Under cover
Apr 7 to Sep 12
First harvest
About 45 days after sowing. Sown on May 5, ready around June 19.
Warmth
Tender: needs days averaging 46°F or more, and no frost.
Basil across the US, town by town
ParsleyOutdoors Apr 9 to Aug 20; Under cover Mar 12 to Sep 17
Parsley growing on a plot
Sow outdoors
Apr 9 to Aug 20
Under cover
Mar 12 to Sep 17
First harvest
About 53 days after sowing. Sown on April 9, ready around June 1.
Warmth
Hardy: grows once days average 43°F.
Parsley across the US, town by town
CilantroOutdoors Apr 16 to Jun 11, and Jul 20 to Sep 2; Under cover Mar 19 to Sep 30
Cilantro growing on a plot
Sow outdoors
Apr 16 to Jun 11, and Jul 20 to Sep 2
Under cover
Mar 19 to Sep 30
First harvest
About 39 days after sowing. Sown on April 16, ready around May 25.
Warmth
Hardy: grows once days average 45°F; bolts in hot weather.
Cilantro across the US, town by town
ChivesOutdoors Apr 9 to Jun 25; Under cover Mar 12 to Jul 23
Chives growing on a plot
Sow outdoors
Apr 9 to Jun 25
Under cover
Mar 12 to Jul 23
First harvest
Crops every year once it’s established.
Warmth
Hardy: grows once days average 43°F.
Chives across the US, town by town
MintOutdoors Apr 16 to Sep 21; Under cover Mar 19 to Oct 19
Mint growing on a plot
Sow outdoors
Apr 16 to Sep 21
Under cover
Mar 19 to Oct 19
First harvest
Crops every year once it’s established.
Warmth
Hardy: grows once days average 45°F.
Mint across the US, town by town

Fruit

StrawberryOutdoors Apr 9 to Jun 9; Under cover Mar 12 to Jul 7
Strawberry growing on a plot
Plant outdoors
Apr 9 to Jun 9
Under cover
Mar 12 to Jul 7
First harvest
Crops every year once it’s established.
Warmth
Hardy: grows once days average 43°F.
Strawberry across the US, town by town
RaspberryOutdoors Oct 21 to Nov 8; Under cover Sep 23 to Oct 11, and Oct 21 to Nov 8, and Nov 18 to Dec 6
Raspberry growing on a plot
Plant outdoors
Oct 21 to Nov 8
Under cover
Sep 23 to Oct 11, and Oct 21 to Nov 8, and Nov 18 to Dec 6
First harvest
Crops every year once it’s established.
Warmth
Hardy: goes in as the weather cools, and grows on through winter.
Raspberry across the US, town by town
RhubarbOutdoors Oct 13 to Nov 5; Under cover Sep 15 to Dec 3
Rhubarb growing on a plot
Plant outdoors
Oct 13 to Nov 5
Under cover
Sep 15 to Dec 3
First harvest
Crops every year once it’s established.
Warmth
Hardy: goes in as the weather cools, and grows on through winter.
Rhubarb across the US, town by town

Questions about growing in Colorado Springs

When is the last frost in Colorado Springs?

On average around May 5, and the first autumn frost comes around October 20. In a cold spring a frost can come a week or two late, so tender plants are safest out a week after the date.

Can I grow tomatoes outdoors in Colorado Springs?

Yes. Plant them outdoors Jun 9 to Jul 4, or under cover May 12 to Aug 1.

What can I sow in Colorado Springs in November?

Outdoors: raspberry. Under cover: garlic, rhubarb.

How accurate are these dates?

They’re worked out from 30 years of climate data for this spot, adjusted for its height, so they’re a good guide for a typical year. Check the forecast before planting out anything tender.

Get these dates as reminders

Bia turns this calendar into a nudge when it’s time to sow, plant out and harvest, for your backyard or community garden plot in Colorado Springs. Free for 2 months.

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How these dates are worked out: climate records for this spot (ERA5-Land, 1995 to 2024), the local frost dates and the height above sea level turn a seed-packet date into a local one. Contains modified Copernicus Climate Change Service information; towns from GeoNames (CC BY 4.0). How sowing dates work