Oklahoma, US

Planting calendar for Tulsa

Last frost around March 16, first frost around November 25: about 254 frost-free days.

Last frost: March 16
First frost: November 25
Frost-free days: 254

Sow now: November

See the whole year

Outdoors

Fava bean
Garlic
Rhubarb

Under cover

Radish
Spinach
Arugula
Mint
Raspberry

The year at a glance

When each crop can be sown in Tulsa. 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 Tulsa, 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: Sow 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
Chile pepper	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 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 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
Eggplant	January: Not this month	February: Not this month	March: Not this month	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
Zucchini	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 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
Cucumber	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 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
Winter squash	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 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: Sow 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
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 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 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
Parsnip	January: Sow under cover	February: Sow outdoors and 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
Radish	January: Sow under cover	February: Sow outdoors and 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 under cover	September: Sow outdoors and under cover	October: Sow outdoors and under cover	November: Sow under cover	December: Not this month
Potato	January: Plant under cover	February: Plant outdoors and 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: Sow under cover	February: Sow outdoors and 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
Leaves
Lettuce	January: Sow under cover	February: Sow outdoors and 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 under cover	September: Sow outdoors and under cover	October: Sow under cover	November: Not this month	December: Not this month
Spinach	January: Sow under cover	February: Sow outdoors and 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 under cover	September: Sow outdoors and under cover	October: Sow outdoors and under cover	November: Sow under cover	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: Sow under cover	February: Sow outdoors and 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 under cover	September: Sow outdoors and under cover	October: Sow outdoors and under cover	November: Sow under cover	December: Not this month
Celery	January: Sow under cover	February: Sow outdoors and under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Not this month	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
Beans and peas
Runner bean	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 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
Green bean	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
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: Sow under cover	February: Sow outdoors and 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 under cover	September: Sow outdoors and under cover	October: Not this month	November: Not this month	December: Not this month
Onion family
Onion	January: Plant under cover	February: Plant outdoors and under cover	March: Plant outdoors and under cover	April: Plant under cover	May: Not this month	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
Garlic	January: Plant under cover	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 outdoors and under cover
Leek	January: Sow under cover	February: Sow outdoors and 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
Scallion	January: Sow under cover	February: Sow outdoors and 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: Plant under cover	February: Plant outdoors and 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
Brassicas
Cabbage	January: Sow under cover	February: Sow outdoors and 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: Sow under cover	February: Sow outdoors and 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: Sow under cover	February: Sow outdoors and 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
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 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
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 under cover	September: Sow outdoors and under cover	October: Sow outdoors and under cover	November: Not this month	December: Not this month
Herbs
Basil	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 outdoors and under cover	October: Sow under cover	November: Not this month	December: Not this month
Parsley	January: Sow under cover	February: Sow outdoors and 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
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 under cover	September: Sow outdoors and under cover	October: Sow under cover	November: Not this month	December: Not this month
Chives	January: Sow under cover	February: Sow outdoors and 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 under cover	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: Plant under cover	February: Plant outdoors and 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 outdoors and under cover	October: Not this month	November: Not this month	December: Not this month
Raspberry	January: Plant under cover	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: Not this month	November: Plant under cover	December: Plant outdoors and under cover
Rhubarb	January: Plant under cover	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 outdoors and under cover

Fruit rows show when to plant, not sow.

Crop by crop

Fruiting

TomatoOutdoors Apr 20 to May 15, and Jul 30 to Sep 2; Under cover Mar 23 to Jun 12, and Jul 2 to Sep 30

Sow outdoors: Apr 20 to May 15, and Jul 30 to Sep 2
Under cover: Mar 23 to Jun 12, and Jul 2 to Sep 30
First harvest: About 66 days after sowing. Sown on April 20, ready around June 25.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Tomato across the US, town by town

Chile pepperOutdoors Apr 19 to May 15, and Jul 30 to Sep 1; Under cover Mar 22 to Jun 12, and Jul 2 to Sep 29

Sow outdoors: Apr 19 to May 15, and Jul 30 to Sep 1
Under cover: Mar 22 to Jun 12, and Jul 2 to Sep 29
First harvest: About 84 days after sowing. Sown on April 19, ready around July 12.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Chile pepper across the US, town by town

Bell pepperOutdoors Apr 24 to May 20, and Jul 30 to Sep 2; Under cover Mar 27 to Jun 17, and Jul 2 to Sep 30

Sow outdoors: Apr 24 to May 20, and Jul 30 to Sep 2
Under cover: Mar 27 to Jun 17, and Jul 2 to Sep 30
First harvest: About 78 days after sowing. Sown on April 24, ready around July 11.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Bell pepper across the US, town by town

EggplantOutdoors Apr 24 to May 15, and Jul 30 to Sep 1; Under cover Mar 27 to Jun 12, and Jul 2 to Sep 29

Sow outdoors: Apr 24 to May 15, and Jul 30 to Sep 1
Under cover: Mar 27 to Jun 12, and Jul 2 to Sep 29
First harvest: About 90 days after sowing. Sown on April 24, ready around July 23.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Eggplant across the US, town by town

ZucchiniOutdoors Apr 19 to May 30, and Jul 30 to Sep 18; Under cover Mar 22 to Oct 16

Sow outdoors: Apr 19 to May 30, and Jul 30 to Sep 18
Under cover: Mar 22 to Oct 16
First harvest: About 37 days after sowing. Sown on April 19, ready around May 26.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Zucchini across the US, town by town

CucumberOutdoors Apr 19 to May 30, and Jul 30 to Sep 14; Under cover Mar 22 to Oct 12

Sow outdoors: Apr 19 to May 30, and Jul 30 to Sep 14
Under cover: Mar 22 to Oct 12
First harvest: About 42 days after sowing. Sown on April 19, ready around May 31.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Cucumber across the US, town by town

Winter squashOutdoors Apr 19 to May 20, and Jul 30 to Sep 3; Under cover Mar 22 to Jun 17, and Jul 2 to Oct 1

Sow outdoors: Apr 19 to May 20, and Jul 30 to Sep 3
Under cover: Mar 22 to Jun 17, and Jul 2 to Oct 1
First harvest: About 66 days after sowing. Sown on April 19, ready around June 24.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Winter squash across the US, town by town

Sweet cornOutdoors Apr 14 to May 20, and Jul 30 to Sep 4; Under cover Mar 17 to Jun 17, and Jul 2 to Oct 2

Sow outdoors: Apr 14 to May 20, and Jul 30 to Sep 4
Under cover: Mar 17 to Jun 17, and Jul 2 to Oct 2
First harvest: About 60 days after sowing. Sown on April 14, ready around June 13.
Warmth: Tender: needs days averaging 52°F or more, and no frost.

Sweet corn across the US, town by town

Roots

CarrotOutdoors Feb 23 to May 23, and Aug 6 to Sep 2; Under cover Jan 26 to Jun 20, and Jul 9 to Sep 30

Sow outdoors: Feb 23 to May 23, and Aug 6 to Sep 2
Under cover: Jan 26 to Jun 20, and Jul 9 to Sep 30
First harvest: About 79 days after sowing. Sown on February 23, ready around May 13.
Warmth: Hardy: grows once days average 45°F.

Carrot across the US, town by town

BeetOutdoors Feb 23 to Jun 2, and Jul 30 to Sep 15; Under cover Jan 26 to Oct 13

Sow outdoors: Feb 23 to Jun 2, and Jul 30 to Sep 15
Under cover: Jan 26 to Oct 13
First harvest: About 57 days after sowing. Sown on February 23, ready around April 21.
Warmth: Hardy: grows once days average 45°F.

Beet across the US, town by town

ParsnipOutdoors Feb 14 to May 2, and Aug 6 to Aug 17; Under cover Jan 17 to May 30, and Jul 9 to Jul 20, and Aug 6 to Aug 17, and Sep 3 to Sep 14

Sow outdoors: Feb 14 to May 2, and Aug 6 to Aug 17
Under cover: Jan 17 to May 30, and Jul 9 to Jul 20, and Aug 6 to Aug 17, and Sep 3 to Sep 14
First harvest: About 97 days after sowing. Sown on February 14, ready around May 22.
Warmth: Hardy: grows once days average 43°F.

Parsnip across the US, town by town

RadishOutdoors Feb 14 to Apr 24, and Aug 30 to Oct 20; Under cover Jan 17 to May 22, and Aug 2 to Nov 17

Sow outdoors: Feb 14 to Apr 24, and Aug 30 to Oct 20
Under cover: Jan 17 to May 22, and Aug 2 to Nov 17
First harvest: About 23 days after sowing. Sown on February 14, ready around March 9.
Warmth: Hardy: grows once days average 43°F; bolts in hot weather.

Radish across the US, town by town

PotatoOutdoors Feb 14 to Apr 11, and Aug 13 to Sep 3; Under cover Jan 17 to May 9, and Jul 16 to Oct 1

Plant outdoors: Feb 14 to Apr 11, and Aug 13 to Sep 3
Under cover: Jan 17 to May 9, and Jul 16 to Oct 1
First harvest: About 76 days after planting. Planted on February 14, ready around May 1.
Warmth: Hardy: grows once days average 43°F.

Potato across the US, town by town

TurnipOutdoors Feb 14 to Apr 30, and Aug 25 to Sep 26; Under cover Jan 17 to May 28, and Jul 28 to Oct 24

Sow outdoors: Feb 14 to Apr 30, and Aug 25 to Sep 26
Under cover: Jan 17 to May 28, and Jul 28 to Oct 24
First harvest: About 46 days after sowing. Sown on February 14, ready around April 1.
Warmth: Hardy: grows once days average 43°F.

Turnip across the US, town by town

Leaves

LettuceOutdoors Feb 17 to Apr 18, and Sep 4 to Sep 21; Under cover Jan 20 to May 16, and Aug 7 to Aug 24, and Sep 4 to Sep 21, and Oct 2 to Oct 19

Sow outdoors: Feb 17 to Apr 18, and Sep 4 to Sep 21
Under cover: Jan 20 to May 16, and Aug 7 to Aug 24, and Sep 4 to Sep 21, and Oct 2 to Oct 19
First harvest: About 55 days after sowing. Sown on February 17, ready around April 13.
Warmth: Hardy: grows once days average 43°F; bolts in hot weather.

Lettuce across the US, town by town

SpinachOutdoors Feb 14 to Apr 18, and Sep 4 to Oct 16; Under cover Jan 17 to May 16, and Aug 7 to Nov 13

Sow outdoors: Feb 14 to Apr 18, and Sep 4 to Oct 16
Under cover: Jan 17 to May 16, and Aug 7 to Nov 13
First harvest: About 35 days after sowing. Sown on February 14, ready around March 21.
Warmth: Hardy: grows once days average 43°F; bolts in hot weather.

Spinach across the US, town by town

Swiss chardOutdoors Feb 23 to Jun 17, and Jul 15 to Sep 26; Under cover Jan 26 to Oct 24

Sow outdoors: Feb 23 to Jun 17, and Jul 15 to Sep 26
Under cover: Jan 26 to Oct 24
First harvest: About 49 days after sowing. Sown on February 23, ready around April 13.
Warmth: Hardy: grows once days average 45°F.

Swiss chard across the US, town by town

ArugulaOutdoors Feb 14 to Apr 18, and Sep 4 to Oct 17; Under cover Jan 17 to May 16, and Aug 7 to Nov 14

Sow outdoors: Feb 14 to Apr 18, and Sep 4 to Oct 17
Under cover: Jan 17 to May 16, and Aug 7 to Nov 14
First harvest: About 31 days after sowing. Sown on February 14, ready around March 17.
Warmth: Hardy: grows once days average 43°F; bolts in hot weather.

Arugula across the US, town by town

CeleryOutdoors Feb 7 to Apr 8, and Aug 13 to Aug 20; Under cover Jan 10 to May 6, and Jul 16 to Jul 23, and Aug 13 to Aug 20, and Sep 10 to Sep 17

Sow outdoors: Feb 7 to Apr 8, and Aug 13 to Aug 20
Under cover: Jan 10 to May 6, and Jul 16 to Jul 23, and Aug 13 to Aug 20, and Sep 10 to Sep 17
First harvest: About 96 days after sowing. Sown on February 7, ready around May 14.
Warmth: Hardy: grows once days average 41°F.

Celery across the US, town by town

Beans and peas

Runner beanOutdoors Apr 14 to May 30, and Jul 30 to Sep 8; Under cover Mar 17 to Oct 6

Sow outdoors: Apr 14 to May 30, and Jul 30 to Sep 8
Under cover: Mar 17 to Oct 6
First harvest: About 54 days after sowing. Sown on April 14, ready around June 7.
Warmth: Tender: needs days averaging 52°F or more, and no frost.

Runner bean across the US, town by town

Green beanOutdoors Apr 14 to Jun 14, and Jul 30 to Sep 16; Under cover Mar 17 to Oct 14

Sow outdoors: Apr 14 to Jun 14, and Jul 30 to Sep 16
Under cover: Mar 17 to Oct 14
First harvest: About 46 days after sowing. Sown on April 14, ready around May 30.
Warmth: Tender: needs days averaging 52°F or more, and no frost.

Green bean across the US, town by town

Fava beanOutdoors Nov 8 to Dec 6; Under cover Oct 11 to Jan 3

Sow outdoors: Nov 8 to Dec 6
Under cover: Oct 11 to Jan 3
First harvest: About 220 days after sowing. Sown on November 8, ready around June 16.
Warmth: Hardy: goes in as the weather cools, and grows on through winter.

Fava bean across the US, town by town

PeaOutdoors Feb 14 to Apr 24, and Aug 30 to Sep 8; Under cover Jan 17 to May 22, and Aug 2 to Aug 11, and Aug 30 to Sep 8, and Sep 27 to Oct 6

Sow outdoors: Feb 14 to Apr 24, and Aug 30 to Sep 8
Under cover: Jan 17 to May 22, and Aug 2 to Aug 11, and Aug 30 to Sep 8, and Sep 27 to Oct 6
First harvest: About 61 days after sowing. Sown on February 14, ready around April 16.
Warmth: Hardy: grows once days average 43°F; bolts in hot weather.

Pea across the US, town by town

Onion family

OnionOutdoors Feb 11 to Apr 3, and Aug 6 to Aug 15; Under cover Jan 14 to May 1, and Jul 9 to Jul 18, and Aug 6 to Aug 15, and Sep 3 to Sep 12

Plant outdoors: Feb 11 to Apr 3, and Aug 6 to Aug 15
Under cover: Jan 14 to May 1, and Jul 9 to Jul 18, and Aug 6 to Aug 15, and Sep 3 to Sep 12
First harvest: About 104 days after planting. Planted on February 11, ready around May 26.
Warmth: Hardy: grows once days average 43°F.

Onion across the US, town by town

GarlicOutdoors Nov 8 to Dec 12; Under cover Oct 11 to Jan 9

Plant outdoors: Nov 8 to Dec 12
Under cover: Oct 11 to Jan 9
First harvest: About 250 days after planting. Planted on November 8, ready around July 16.
Warmth: Hardy: goes in as the weather cools, and grows on through winter.

Garlic across the US, town by town

LeekOutdoors Feb 14 to Jun 1, and Jul 30 to Aug 21; Under cover Jan 17 to Sep 18

Sow outdoors: Feb 14 to Jun 1, and Jul 30 to Aug 21
Under cover: Jan 17 to Sep 18
First harvest: About 110 days after sowing. Sown on February 14, ready around June 4.
Warmth: Hardy: grows once days average 43°F.

Leek across the US, town by town

ScallionOutdoors Feb 7 to Jun 17, and Jul 15 to Oct 4; Under cover Jan 10 to Nov 1

Sow outdoors: Feb 7 to Jun 17, and Jul 15 to Oct 4
Under cover: Jan 10 to Nov 1
First harvest: About 51 days after sowing. Sown on February 7, ready around March 30.
Warmth: Hardy: grows once days average 41°F.

Scallion across the US, town by town

ShallotOutdoors Jan 31 to Apr 15, and Aug 6 to Aug 20; Under cover Jan 3 to May 13, and Jul 9 to Jul 23, and Aug 6 to Aug 20, and Sep 3 to Sep 17

Plant outdoors: Jan 31 to Apr 15, and Aug 6 to Aug 20
Under cover: Jan 3 to May 13, and Jul 9 to Jul 23, and Aug 6 to Aug 20, and Sep 3 to Sep 17
First harvest: About 92 days after planting. Planted on January 31, ready around May 3.
Warmth: Hardy: grows once days average 41°F.

Shallot across the US, town by town

Brassicas

CabbageOutdoors Feb 14 to May 15, and Aug 13 to Sep 2; Under cover Jan 17 to Jun 12, and Jul 16 to Sep 30

Sow outdoors: Feb 14 to May 15, and Aug 13 to Sep 2
Under cover: Jan 17 to Jun 12, and Jul 16 to Sep 30
First harvest: About 83 days after sowing. Sown on February 14, ready around May 8.
Warmth: Hardy: grows once days average 43°F.

Cabbage across the US, town by town

BroccoliOutdoors Feb 23 to May 15, and Aug 13 to Sep 4; Under cover Jan 26 to Jun 12, and Jul 16 to Oct 2

Sow outdoors: Feb 23 to May 15, and Aug 13 to Sep 4
Under cover: Jan 26 to Jun 12, and Jul 16 to Oct 2
First harvest: About 71 days after sowing. Sown on February 23, ready around May 5.
Warmth: Hardy: grows once days average 45°F.

Broccoli across the US, town by town

CauliflowerOutdoors Feb 14 to Apr 24; Under cover Jan 17 to May 22

Sow outdoors: Feb 14 to Apr 24
Under cover: Jan 17 to May 22
First harvest: About 91 days after sowing. Sown on February 14, ready around May 16.
Warmth: Hardy: grows once days average 43°F; bolts in hot weather.

Cauliflower across the US, town by town

Brussels sproutOutdoors Feb 14 to Apr 16; Under cover Jan 17 to May 14

Sow outdoors: Feb 14 to Apr 16
Under cover: Jan 17 to May 14
First harvest: About 126 days after sowing. Sown on February 14, ready around June 20.
Warmth: Hardy: grows once days average 43°F.

Brussels sprout across the US, town by town

KaleOutdoors Feb 23 to May 23, and Aug 6 to Sep 11; Under cover Jan 26 to Jun 20, and Jul 9 to Oct 9

Sow outdoors: Feb 23 to May 23, and Aug 6 to Sep 11
Under cover: Jan 26 to Jun 20, and Jul 9 to Oct 9
First harvest: About 64 days after sowing. Sown on February 23, ready around April 28.
Warmth: Hardy: grows once days average 45°F.

Kale across the US, town by town

Bok choyOutdoors Mar 3 to Apr 18, and Sep 4 to Oct 8; Under cover Feb 3 to May 16, and Aug 7 to Nov 5

Sow outdoors: Mar 3 to Apr 18, and Sep 4 to Oct 8
Under cover: Feb 3 to May 16, and Aug 7 to Nov 5
First harvest: About 39 days after sowing. Sown on March 3, ready around April 11.
Warmth: Hardy: grows once days average 46°F; bolts in hot weather.

Bok choy across the US, town by town

Herbs

BasilOutdoors Mar 16 to Jun 15, and Jul 30 to Sep 19; Under cover Feb 16 to Oct 17

Sow outdoors: Mar 16 to Jun 15, and Jul 30 to Sep 19
Under cover: Feb 16 to Oct 17
First harvest: About 46 days after sowing. Sown on March 16, ready around May 1.
Warmth: Tender: needs days averaging 46°F or more, and no frost.

Basil across the US, town by town

ParsleyOutdoors Feb 14 to Jun 2, and Jul 29 to Sep 24; Under cover Jan 17 to Oct 22

Sow outdoors: Feb 14 to Jun 2, and Jul 29 to Sep 24
Under cover: Jan 17 to Oct 22
First harvest: About 57 days after sowing. Sown on February 14, ready around April 12.
Warmth: Hardy: grows once days average 43°F.

Parsley across the US, town by town

CilantroOutdoors Feb 23 to Apr 18, and Sep 4 to Oct 6; Under cover Jan 26 to May 16, and Aug 7 to Nov 3

Sow outdoors: Feb 23 to Apr 18, and Sep 4 to Oct 6
Under cover: Jan 26 to May 16, and Aug 7 to Nov 3
First harvest: About 41 days after sowing. Sown on February 23, ready around April 5.
Warmth: Hardy: grows once days average 45°F; bolts in hot weather.

Cilantro across the US, town by town

ChivesOutdoors Feb 14 to May 2, and Jul 30 to Sep 10; Under cover Jan 17 to May 30, and Jul 2 to Oct 8

Sow outdoors: Feb 14 to May 2, and Jul 30 to Sep 10
Under cover: Jan 17 to May 30, and Jul 2 to Oct 8
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 Feb 23 to Oct 25; Under cover Jan 26 to Nov 22

Sow outdoors: Feb 23 to Oct 25
Under cover: Jan 26 to Nov 22
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 Feb 14 to Apr 16, and Jul 30 to Sep 7; Under cover Jan 17 to May 14, and Jul 2 to Oct 5

Plant outdoors: Feb 14 to Apr 16, and Jul 30 to Sep 7
Under cover: Jan 17 to May 14, and Jul 2 to Oct 5
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 25 to Dec 28; Under cover Oct 28 to Jan 25

Plant outdoors: Nov 25 to Dec 28
Under cover: Oct 28 to Jan 25
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 15 to Dec 20; Under cover Oct 18 to Jan 17

Plant outdoors: Nov 15 to Dec 20
Under cover: Oct 18 to Jan 17
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 Tulsa

When is the last frost in Tulsa?

On average around March 16, and the first autumn frost comes around November 25. 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 Tulsa?

Yes. Plant them outdoors Apr 20 to May 15, and Jul 30 to Sep 2, or under cover Mar 23 to Jun 12, and Jul 2 to Sep 30.

What can I sow in Tulsa in November?

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

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 Tulsa. 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