Missouri, US

Planting calendar for St. Louis

Last frost around March 27, first frost around November 12: about 230 frost-free days.

Last frost: March 27
First frost: November 12
Frost-free days: 230

Sow now: November

See the whole year

Outdoors

Fava bean
Garlic
Raspberry
Rhubarb

Under cover

Radish
Mint

The year at a glance

When each crop can be sown in St. Louis. 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 St. Louis, month by month. Each month says whether you can sow outdoors, under cover, or both.
Crop	JJan	FFeb	MMar	AApr	MMay	JJun	JJul	AAug	SSep	OOct	NNov	DDec
Fruiting
Tomato	January: Not this month	February: Not this month	March: Not this month	April: Sow under cover	May: Sow outdoors and under cover	June: Sow under cover	July: Sow under cover	August: Sow outdoors and under cover	September: Sow under cover	October: Not this month	November: Not this month	December: Not this month
Chile pepper	January: Not this month	February: Not this month	March: Not this month	April: Sow under cover	May: Sow outdoors and under cover	June: Sow under cover	July: Sow under cover	August: Sow outdoors and under cover	September: Sow under cover	October: Not this month	November: Not this month	December: Not this month
Bell pepper	January: Not this month	February: Not this month	March: Not this month	April: Sow under cover	May: Sow outdoors and under cover	June: Sow under cover	July: Sow under cover	August: Sow outdoors and under cover	September: Sow under cover	October: Not this month	November: Not this month	December: Not this month
Eggplant	January: Not this month	February: Not this month	March: Not this month	April: Sow under cover	May: Sow outdoors and under cover	June: Sow under cover	July: Sow under cover	August: Sow outdoors and under cover	September: Sow under cover	October: Not this month	November: Not this month	December: Not this month
Zucchini	January: Not this month	February: Not this month	March: Not this month	April: Sow under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow under cover	August: Sow outdoors and under cover	September: Sow outdoors and under cover	October: Not this month	November: Not this month	December: Not this month
Cucumber	January: Not this month	February: Not this month	March: Not this month	April: Sow under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow under cover	August: Sow outdoors and under cover	September: Sow under cover	October: Not this month	November: Not this month	December: Not this month
Winter squash	January: Not this month	February: Not this month	March: Not this month	April: Sow under cover	May: Sow outdoors and under cover	June: Sow under cover	July: Sow under cover	August: Sow outdoors and under cover	September: Sow under cover	October: Not this month	November: Not this month	December: Not this month
Sweet corn	January: Not this month	February: Not this month	March: Not this month	April: Sow under cover	May: Sow outdoors and under cover	June: Sow under cover	July: Sow under cover	August: Sow outdoors and under cover	September: Sow under cover	October: Not this month	November: Not this month	December: Not this month
Roots
Carrot	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow under cover	August: Sow outdoors and under cover	September: Sow under cover	October: Not this month	November: Not this month	December: Not this month
Beet	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow under cover	August: Sow outdoors and under cover	September: Sow under cover	October: Not this month	November: Not this month	December: Not this month
Parsnip	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow under cover	July: Sow under cover	August: Sow under cover	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Radish	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow under cover	June: Not this month	July: Sow under cover	August: Sow outdoors and under cover	September: Sow outdoors and under cover	October: Sow outdoors and under cover	November: Sow under cover	December: Not this month
Potato	January: Not this month	February: Plant under cover	March: Plant outdoors and under cover	April: Plant outdoors and under cover	May: Plant under cover	June: Not this month	July: Plant under cover	August: Plant outdoors and under cover	September: Plant under cover	October: Not this month	November: Not this month	December: Not this month
Turnip	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow under cover	July: Sow under cover	August: Sow outdoors and under cover	September: Sow outdoors and under cover	October: Sow under cover	November: Not this month	December: Not this month
Leaves
Lettuce	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow under cover	June: Not this month	July: Not this month	August: Sow outdoors and under cover	September: Sow outdoors and under cover	October: Sow under cover	November: Not this month	December: Not this month
Spinach	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow under cover	June: Not this month	July: Not this month	August: Sow outdoors and under cover	September: Sow outdoors and under cover	October: Sow under cover	November: Not this month	December: Not this month
Swiss chard	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow outdoors and under cover	August: Sow outdoors and under cover	September: Sow outdoors and under cover	October: Sow under cover	November: Not this month	December: Not this month
Arugula	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow under cover	June: Not this month	July: Not this month	August: Sow outdoors and under cover	September: Sow outdoors and under cover	October: Sow outdoors and under cover	November: Not this month	December: Not this month
Celery	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow under cover	June: Not this month	July: Sow under cover	August: Sow outdoors and under cover	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Beans and peas
Runner bean	January: Not this month	February: Not this month	March: Not this month	April: Sow under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow under cover	August: Sow outdoors and under cover	September: Sow under cover	October: Not this month	November: Not this month	December: Not this month
Green bean	January: Not this month	February: Not this month	March: Not this month	April: Sow under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow under cover	August: Sow outdoors and under cover	September: Sow under cover	October: Not this month	November: Not this month	December: Not this month
Fava bean	January: Not this month	February: Not this month	March: Not this month	April: Not this month	May: Not this month	June: Not this month	July: Not this month	August: Not this month	September: Not this month	October: Sow under cover	November: Sow outdoors and under cover	December: Sow under cover
Pea	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow under cover	June: Not this month	July: Sow under cover	August: Sow outdoors and under cover	September: Sow under cover	October: Not this month	November: Not this month	December: Not this month
Onion family
Onion	January: Not this month	February: Plant under cover	March: Plant outdoors and under cover	April: Plant outdoors and under cover	May: Plant under cover	June: Not this month	July: Plant under cover	August: Plant under cover	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Garlic	January: Not this month	February: Not this month	March: Not this month	April: Not this month	May: Not this month	June: Not this month	July: Not this month	August: Not this month	September: Not this month	October: Plant under cover	November: Plant outdoors and under cover	December: Plant under cover
Leek	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow under cover	August: Sow outdoors and under cover	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Scallion	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow outdoors and under cover	August: Sow outdoors and under cover	September: Sow outdoors and under cover	October: Sow under cover	November: Not this month	December: Not this month
Shallot	January: Not this month	February: Plant under cover	March: Plant outdoors and under cover	April: Plant outdoors and under cover	May: Plant outdoors and under cover	June: Plant under cover	July: Plant under cover	August: Plant outdoors and under cover	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Brassicas
Cabbage	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow under cover	July: Sow under cover	August: Sow outdoors and under cover	September: Sow under cover	October: Not this month	November: Not this month	December: Not this month
Broccoli	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow under cover	July: Sow under cover	August: Sow outdoors and under cover	September: Sow under cover	October: Not this month	November: Not this month	December: Not this month
Cauliflower	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow under cover	June: Not this month	July: Not this month	August: Not this month	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Brussels sprout	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Not this month	July: Not this month	August: Not this month	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Kale	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow under cover	August: Sow outdoors and under cover	September: Sow under cover	October: Not this month	November: Not this month	December: Not this month
Bok choy	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow under cover	June: Not this month	July: Not this month	August: Sow outdoors and under cover	September: Sow outdoors and under cover	October: Sow under cover	November: Not this month	December: Not this month
Herbs
Basil	January: Not this month	February: Not this month	March: Sow under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow under cover	August: Sow outdoors and under cover	September: Sow outdoors and under cover	October: Sow under cover	November: Not this month	December: Not this month
Parsley	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow outdoors and under cover	August: Sow outdoors and under cover	September: Sow outdoors and under cover	October: Sow under cover	November: Not this month	December: Not this month
Cilantro	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow under cover	June: Not this month	July: Not this month	August: Sow outdoors and under cover	September: Sow outdoors and under cover	October: Sow under cover	November: Not this month	December: Not this month
Chives	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow under cover	July: Sow under cover	August: Sow outdoors and under cover	September: Sow under cover	October: Not this month	November: Not this month	December: Not this month
Mint	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow outdoors and under cover	August: Sow outdoors and under cover	September: Sow outdoors and under cover	October: Sow outdoors and under cover	November: Sow under cover	December: Not this month
Fruit
Strawberry	January: Not this month	February: Plant under cover	March: Plant outdoors and under cover	April: Plant outdoors and under cover	May: Plant outdoors and under cover	June: Plant under cover	July: Plant under cover	August: Plant outdoors and under cover	September: Plant under cover	October: Not this month	November: Not this month	December: Not this month
Raspberry	January: Not this month	February: Not this month	March: Not this month	April: Not this month	May: Not this month	June: Not this month	July: Not this month	August: Not this month	September: Not this month	October: Plant under cover	November: Plant outdoors and under cover	December: Plant under cover
Rhubarb	January: Not this month	February: Not this month	March: Not this month	April: Not this month	May: Not this month	June: Not this month	July: Not this month	August: Not this month	September: Not this month	October: Plant under cover	November: Plant outdoors and under cover	December: Plant under cover

Fruit rows show when to plant, not sow.

Crop by crop

Fruiting

TomatoOutdoors May 1 to May 26, and Jul 26 to Aug 22; Under cover Apr 3 to Sep 19

Sow outdoors: May 1 to May 26, and Jul 26 to Aug 22
Under cover: Apr 3 to Sep 19
First harvest: About 66 days after sowing. Sown on May 1, ready around July 6.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Tomato across the US, town by town

Chile pepperOutdoors Apr 30 to May 26, and Jul 26 to Aug 20; Under cover Apr 2 to Sep 17

Sow outdoors: Apr 30 to May 26, and Jul 26 to Aug 20
Under cover: Apr 2 to Sep 17
First harvest: About 84 days after sowing. Sown on April 30, ready around July 23.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Chile pepper across the US, town by town

Bell pepperOutdoors May 5 to May 31, and Jul 26 to Aug 22; Under cover Apr 7 to Sep 19

Sow outdoors: May 5 to May 31, and Jul 26 to Aug 22
Under cover: Apr 7 to Sep 19
First harvest: About 78 days after sowing. Sown on May 5, ready around July 22.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Bell pepper across the US, town by town

EggplantOutdoors May 5 to May 26, and Jul 26 to Aug 20; Under cover Apr 7 to Sep 17

Sow outdoors: May 5 to May 26, and Jul 26 to Aug 20
Under cover: Apr 7 to Sep 17
First harvest: About 90 days after sowing. Sown on May 5, ready around August 3.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Eggplant across the US, town by town

ZucchiniOutdoors Apr 30 to Jun 10, and Jul 26 to Sep 8; Under cover Apr 2 to Oct 6

Sow outdoors: Apr 30 to Jun 10, and Jul 26 to Sep 8
Under cover: Apr 2 to Oct 6
First harvest: About 36 days after sowing. Sown on April 30, ready around June 5.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Zucchini across the US, town by town

CucumberOutdoors Apr 30 to Jun 10, and Jul 26 to Sep 3; Under cover Apr 2 to Oct 1

Sow outdoors: Apr 30 to Jun 10, and Jul 26 to Sep 3
Under cover: Apr 2 to Oct 1
First harvest: About 42 days after sowing. Sown on April 30, ready around June 11.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Cucumber across the US, town by town

Winter squashOutdoors Apr 30 to May 31, and Jul 26 to Aug 23; Under cover Apr 2 to Sep 20

Sow outdoors: Apr 30 to May 31, and Jul 26 to Aug 23
Under cover: Apr 2 to Sep 20
First harvest: About 66 days after sowing. Sown on April 30, ready around July 5.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Winter squash across the US, town by town

Sweet cornOutdoors Apr 25 to May 31, and Jul 26 to Aug 24; Under cover Mar 28 to Sep 21

Sow outdoors: Apr 25 to May 31, and Jul 26 to Aug 24
Under cover: Mar 28 to Sep 21
First harvest: About 60 days after sowing. Sown on April 25, ready around June 24.
Warmth: Tender: needs days averaging 52°F or more, and no frost.

Sweet corn across the US, town by town

Roots

CarrotOutdoors Mar 15 to Jun 22, and Jul 26 to Aug 22; Under cover Feb 15 to Sep 19

Sow outdoors: Mar 15 to Jun 22, and Jul 26 to Aug 22
Under cover: Feb 15 to Sep 19
First harvest: About 73 days after sowing. Sown on March 15, ready around May 27.
Warmth: Hardy: grows once days average 45°F.

Carrot across the US, town by town

BeetOutdoors Mar 15 to Jun 28, and Jul 26 to Sep 4; Under cover Feb 15 to Oct 2

Sow outdoors: Mar 15 to Jun 28, and Jul 26 to Sep 4
Under cover: Feb 15 to Oct 2
First harvest: About 52 days after sowing. Sown on March 15, ready around May 6.
Warmth: Hardy: grows once days average 45°F.

Beet across the US, town by town

ParsnipOutdoors Mar 8 to May 24, and Jul 26 to Aug 4; Under cover Feb 8 to Jul 7, and Jul 26 to Aug 4, and Aug 23 to Sep 1

Sow outdoors: Mar 8 to May 24, and Jul 26 to Aug 4
Under cover: Feb 8 to Jul 7, and Jul 26 to Aug 4, and Aug 23 to Sep 1
First harvest: About 89 days after sowing. Sown on March 8, ready around June 5.
Warmth: Hardy: grows once days average 43°F.

Parsnip across the US, town by town

RadishOutdoors Mar 8 to May 5, and Aug 17 to Oct 11; Under cover Feb 8 to Jun 2, and Jul 20 to Nov 8

Sow outdoors: Mar 8 to May 5, and Aug 17 to Oct 11
Under cover: Feb 8 to Jun 2, and Jul 20 to Nov 8
First harvest: About 20 days after sowing. Sown on March 8, ready around March 28.
Warmth: Hardy: grows once days average 43°F; bolts in hot weather.

Radish across the US, town by town

PotatoOutdoors Mar 8 to May 3, and Jul 26 to Aug 22; Under cover Feb 8 to May 31, and Jun 28 to Sep 19

Plant outdoors: Mar 8 to May 3, and Jul 26 to Aug 22
Under cover: Feb 8 to May 31, and Jun 28 to Sep 19
First harvest: About 68 days after planting. Planted on March 8, ready around May 15.
Warmth: Hardy: grows once days average 43°F.

Potato across the US, town by town

TurnipOutdoors Mar 8 to May 12, and Aug 10 to Sep 15; Under cover Feb 8 to Jun 9, and Jul 13 to Oct 13

Sow outdoors: Mar 8 to May 12, and Aug 10 to Sep 15
Under cover: Feb 8 to Jun 9, and Jul 13 to Oct 13
First harvest: About 41 days after sowing. Sown on March 8, ready around April 18.
Warmth: Hardy: grows once days average 43°F.

Turnip across the US, town by town

Leaves

LettuceOutdoors Mar 10 to Apr 28, and Aug 23 to Sep 11; Under cover Feb 10 to May 26, and Jul 26 to Aug 14, and Aug 23 to Sep 11, and Sep 20 to Oct 9

Sow outdoors: Mar 10 to Apr 28, and Aug 23 to Sep 11
Under cover: Feb 10 to May 26, and Jul 26 to Aug 14, and Aug 23 to Sep 11, and Sep 20 to Oct 9
First harvest: About 49 days after sowing. Sown on March 10, ready around April 28.
Warmth: Hardy: grows once days average 43°F; bolts in hot weather.

Lettuce across the US, town by town

SpinachOutdoors Mar 8 to Apr 28, and Aug 23 to Oct 5; Under cover Feb 8 to May 26, and Jul 26 to Nov 2

Sow outdoors: Mar 8 to Apr 28, and Aug 23 to Oct 5
Under cover: Feb 8 to May 26, and Jul 26 to Nov 2
First harvest: About 31 days after sowing. Sown on March 8, ready around April 8.
Warmth: Hardy: grows once days average 43°F; bolts in hot weather.

Spinach across the US, town by town

Swiss chardOutdoors Mar 15 to Sep 15; Under cover Feb 15 to Oct 13

Sow outdoors: Mar 15 to Sep 15
Under cover: Feb 15 to Oct 13
First harvest: About 45 days after sowing. Sown on March 15, ready around April 29.
Warmth: Hardy: grows once days average 45°F.

Swiss chard across the US, town by town

ArugulaOutdoors Mar 8 to Apr 28, and Aug 23 to Oct 7; Under cover Feb 8 to May 26, and Jul 26 to Nov 4

Sow outdoors: Mar 8 to Apr 28, and Aug 23 to Oct 7
Under cover: Feb 8 to May 26, and Jul 26 to Nov 4
First harvest: About 28 days after sowing. Sown on March 8, ready around April 5.
Warmth: Hardy: grows once days average 43°F; bolts in hot weather.

Arugula across the US, town by town

CeleryOutdoors Mar 4 to May 3, and Jul 26 to Aug 8; Under cover Feb 4 to May 31, and Jun 28 to Jul 11, and Jul 26 to Aug 8, and Aug 23 to Sep 5

Sow outdoors: Mar 4 to May 3, and Jul 26 to Aug 8
Under cover: Feb 4 to May 31, and Jun 28 to Jul 11, and Jul 26 to Aug 8, and Aug 23 to Sep 5
First harvest: About 84 days after sowing. Sown on March 4, ready around May 27.
Warmth: Hardy: grows once days average 41°F.

Celery across the US, town by town

Beans and peas

Runner beanOutdoors Apr 25 to Jun 10, and Jul 26 to Aug 28; Under cover Mar 28 to Sep 25

Sow outdoors: Apr 25 to Jun 10, and Jul 26 to Aug 28
Under cover: Mar 28 to Sep 25
First harvest: About 54 days after sowing. Sown on April 25, ready around June 18.
Warmth: Tender: needs days averaging 52°F or more, and no frost.

Runner bean across the US, town by town

Green beanOutdoors Apr 25 to Jun 25, and Jul 26 to Sep 6; Under cover Mar 28 to Oct 4

Sow outdoors: Apr 25 to Jun 25, and Jul 26 to Sep 6
Under cover: Mar 28 to Oct 4
First harvest: About 45 days after sowing. Sown on April 25, ready around June 9.
Warmth: Tender: needs days averaging 52°F or more, and no frost.

Green bean across the US, town by town

Fava beanOutdoors Oct 29 to Nov 22; Under cover Oct 1 to Dec 20

Sow outdoors: Oct 29 to Nov 22
Under cover: Oct 1 to Dec 20
First harvest: About 220 days after sowing. Sown on October 29, ready around June 6.
Warmth: Hardy: goes in as the weather cools, and grows on through winter.

Fava bean across the US, town by town

PeaOutdoors Mar 8 to May 5, and Aug 17 to Aug 28; Under cover Feb 8 to Jun 2, and Jul 20 to Jul 31, and Aug 17 to Aug 28, and Sep 14 to Sep 25

Sow outdoors: Mar 8 to May 5, and Aug 17 to Aug 28
Under cover: Feb 8 to Jun 2, and Jul 20 to Jul 31, and Aug 17 to Aug 28, and Sep 14 to Sep 25
First harvest: About 54 days after sowing. Sown on March 8, ready around May 1.
Warmth: Hardy: grows once days average 43°F; bolts in hot weather.

Pea across the US, town by town

Onion family

OnionOutdoors Mar 7 to Apr 27, and Jul 26 to Aug 3; Under cover Feb 7 to May 25, and Jun 28 to Jul 6, and Jul 26 to Aug 3, and Aug 23 to Aug 31

Plant outdoors: Mar 7 to Apr 27, and Jul 26 to Aug 3
Under cover: Feb 7 to May 25, and Jun 28 to Jul 6, and Jul 26 to Aug 3, and Aug 23 to Aug 31
First harvest: About 94 days after planting. Planted on March 7, ready around June 9.
Warmth: Hardy: grows once days average 43°F.

Onion across the US, town by town

GarlicOutdoors Oct 29 to Nov 27; Under cover Oct 1 to Dec 25

Plant outdoors: Oct 29 to Nov 27
Under cover: Oct 1 to Dec 25
First harvest: About 250 days after planting. Planted on October 29, ready around July 6.
Warmth: Hardy: goes in as the weather cools, and grows on through winter.

Garlic across the US, town by town

LeekOutdoors Mar 8 to Jun 23, and Jul 26 to Aug 9; Under cover Feb 8 to Aug 9, and Aug 23 to Sep 6

Sow outdoors: Mar 8 to Jun 23, and Jul 26 to Aug 9
Under cover: Feb 8 to Aug 9, and Aug 23 to Sep 6
First harvest: About 101 days after sowing. Sown on March 8, ready around June 17.
Warmth: Hardy: grows once days average 43°F.

Leek across the US, town by town

ScallionOutdoors Mar 4 to Sep 24; Under cover Feb 4 to Oct 22

Sow outdoors: Mar 4 to Sep 24
Under cover: Feb 4 to Oct 22
First harvest: About 43 days after sowing. Sown on March 4, ready around April 16.
Warmth: Hardy: grows once days average 41°F.

Scallion across the US, town by town

ShallotOutdoors Mar 1 to May 14, and Jul 26 to Aug 8; Under cover Feb 1 to Jun 11, and Jun 28 to Jul 11, and Jul 26 to Aug 8, and Aug 23 to Sep 5

Plant outdoors: Mar 1 to May 14, and Jul 26 to Aug 8
Under cover: Feb 1 to Jun 11, and Jun 28 to Jul 11, and Jul 26 to Aug 8, and Aug 23 to Sep 5
First harvest: About 78 days after planting. Planted on March 1, ready around May 18.
Warmth: Hardy: grows once days average 41°F.

Shallot across the US, town by town

Brassicas

CabbageOutdoors Mar 8 to Jun 1, and Jul 26 to Aug 21; Under cover Feb 8 to Sep 18

Sow outdoors: Mar 8 to Jun 1, and Jul 26 to Aug 21
Under cover: Feb 8 to Sep 18
First harvest: About 75 days after sowing. Sown on March 8, ready around May 22.
Warmth: Hardy: grows once days average 43°F.

Cabbage across the US, town by town

BroccoliOutdoors Mar 15 to Jun 1, and Jul 26 to Aug 23; Under cover Feb 15 to Sep 20

Sow outdoors: Mar 15 to Jun 1, and Jul 26 to Aug 23
Under cover: Feb 15 to Sep 20
First harvest: About 66 days after sowing. Sown on March 15, ready around May 20.
Warmth: Hardy: grows once days average 45°F.

Broccoli across the US, town by town

CauliflowerOutdoors Mar 8 to May 5; Under cover Feb 8 to Jun 2

Sow outdoors: Mar 8 to May 5
Under cover: Feb 8 to Jun 2
First harvest: About 82 days after sowing. Sown on March 8, ready around May 29.
Warmth: Hardy: grows once days average 43°F; bolts in hot weather.

Cauliflower across the US, town by town

Brussels sproutOutdoors Mar 8 to May 8; Under cover Feb 8 to Jun 5

Sow outdoors: Mar 8 to May 8
Under cover: Feb 8 to Jun 5
First harvest: About 117 days after sowing. Sown on March 8, ready around July 3.
Warmth: Hardy: grows once days average 43°F.

Brussels sprout across the US, town by town

KaleOutdoors Mar 15 to Jun 22, and Jul 26 to Aug 30; Under cover Feb 15 to Sep 27

Sow outdoors: Mar 15 to Jun 22, and Jul 26 to Aug 30
Under cover: Feb 15 to Sep 27
First harvest: About 59 days after sowing. Sown on March 15, ready around May 13.
Warmth: Hardy: grows once days average 45°F.

Kale across the US, town by town

Bok choyOutdoors Mar 21 to Apr 28, and Aug 23 to Sep 27; Under cover Feb 21 to May 26, and Jul 26 to Oct 25

Sow outdoors: Mar 21 to Apr 28, and Aug 23 to Sep 27
Under cover: Feb 21 to May 26, and Jul 26 to Oct 25
First harvest: About 36 days after sowing. Sown on March 21, ready around April 26.
Warmth: Hardy: grows once days average 46°F; bolts in hot weather.

Bok choy across the US, town by town

Herbs

BasilOutdoors Mar 27 to Jun 26, and Jul 26 to Sep 9; Under cover Feb 27 to Oct 7

Sow outdoors: Mar 27 to Jun 26, and Jul 26 to Sep 9
Under cover: Feb 27 to Oct 7
First harvest: About 42 days after sowing. Sown on March 27, ready around May 8.
Warmth: Tender: needs days averaging 46°F or more, and no frost.

Basil across the US, town by town

ParsleyOutdoors Mar 8 to Sep 13; Under cover Feb 8 to Oct 11

Sow outdoors: Mar 8 to Sep 13
Under cover: Feb 8 to Oct 11
First harvest: About 51 days after sowing. Sown on March 8, ready around April 28.
Warmth: Hardy: grows once days average 43°F.

Parsley across the US, town by town

CilantroOutdoors Mar 15 to Apr 28, and Aug 23 to Sep 26; Under cover Feb 15 to May 26, and Jul 26 to Oct 24

Sow outdoors: Mar 15 to Apr 28, and Aug 23 to Sep 26
Under cover: Feb 15 to May 26, and Jul 26 to Oct 24
First harvest: About 38 days after sowing. Sown on March 15, ready around April 22.
Warmth: Hardy: grows once days average 45°F; bolts in hot weather.

Cilantro across the US, town by town

ChivesOutdoors Mar 8 to May 24, and Jul 26 to Aug 30; Under cover Feb 8 to Sep 27

Sow outdoors: Mar 8 to May 24, and Jul 26 to Aug 30
Under cover: Feb 8 to Sep 27
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 Mar 15 to Oct 15; Under cover Feb 15 to Nov 12

Sow outdoors: Mar 15 to Oct 15
Under cover: Feb 15 to Nov 12
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 Mar 8 to May 8, and Jul 26 to Aug 27; Under cover Feb 8 to Jun 5, and Jun 28 to Sep 24

Plant outdoors: Mar 8 to May 8, and Jul 26 to Aug 27
Under cover: Feb 8 to Jun 5, and Jun 28 to Sep 24
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 Nov 14 to Dec 5; Under cover Oct 17 to Jan 2

Plant outdoors: Nov 14 to Dec 5
Under cover: Oct 17 to Jan 2
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 Nov 5 to Dec 2; Under cover Oct 8 to Dec 30

Plant outdoors: Nov 5 to Dec 2
Under cover: Oct 8 to Dec 30
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

Nearby

Questions about growing in St. Louis

When is the last frost in St. Louis?

On average around March 27, and the first autumn frost comes around November 12. 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 St. Louis?

Yes. Plant them outdoors May 1 to May 26, and Jul 26 to Aug 22, or under cover Apr 3 to Sep 19.

What can I sow in St. Louis in November?

Outdoors: fava bean, garlic, raspberry, rhubarb. Under cover: radish, mint.

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 St. Louis. 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