Oklahoma, US

Planting calendar for Norman

Last frost around March 11, first frost around November 23: about 257 frost-free days.

Last frost: March 11
First frost: November 23
Frost-free days: 257

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 Norman. 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 Norman, 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: 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
Eggplant	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
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: 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
Beet	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
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: 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
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 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: 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
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 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: Sow under cover	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 outdoors and 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: Sow under cover	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 outdoors and under cover	February: Plant outdoors and under cover	March: Plant outdoors and under cover	April: Plant outdoors and 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
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: 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
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: 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
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: 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: 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: 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 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: Plant under cover	November: Not this month	December: Not this month
Raspberry	January: Plant outdoors and 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 15 to May 10, and Jul 31 to Sep 3; Under cover Mar 18 to Jun 7, and Jul 3 to Oct 1

Sow outdoors: Apr 15 to May 10, and Jul 31 to Sep 3
Under cover: Mar 18 to Jun 7, and Jul 3 to Oct 1
First harvest: About 66 days after sowing. Sown on April 15, ready around June 20.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Tomato across the US, town by town

Chile pepperOutdoors Apr 14 to May 10, and Jul 31 to Sep 2; Under cover Mar 17 to Jun 7, and Jul 3 to Sep 30

Sow outdoors: Apr 14 to May 10, and Jul 31 to Sep 2
Under cover: Mar 17 to Jun 7, and Jul 3 to Sep 30
First harvest: About 84 days after sowing. Sown on April 14, ready around July 7.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Chile pepper across the US, town by town

Bell pepperOutdoors Apr 19 to May 15, and Jul 31 to Sep 4; Under cover Mar 22 to Jun 12, and Jul 3 to Oct 2

Sow outdoors: Apr 19 to May 15, and Jul 31 to Sep 4
Under cover: Mar 22 to Jun 12, and Jul 3 to Oct 2
First harvest: About 78 days after sowing. Sown on April 19, ready around July 6.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Bell pepper across the US, town by town

EggplantOutdoors Apr 19 to May 10, and Jul 31 to Sep 2; Under cover Mar 22 to Jun 7, and Jul 3 to Sep 30

Sow outdoors: Apr 19 to May 10, and Jul 31 to Sep 2
Under cover: Mar 22 to Jun 7, and Jul 3 to Sep 30
First harvest: About 90 days after sowing. Sown on April 19, ready around July 18.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Eggplant across the US, town by town

ZucchiniOutdoors Apr 14 to May 25, and Jul 31 to Sep 19; Under cover Mar 17 to Jun 22, and Jul 3 to Oct 17

Sow outdoors: Apr 14 to May 25, and Jul 31 to Sep 19
Under cover: Mar 17 to Jun 22, and Jul 3 to Oct 17
First harvest: About 41 days after sowing. Sown on April 14, ready around May 25.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Zucchini across the US, town by town

CucumberOutdoors Apr 14 to May 25, and Jul 31 to Sep 15; Under cover Mar 17 to Jun 22, and Jul 3 to Oct 13

Sow outdoors: Apr 14 to May 25, and Jul 31 to Sep 15
Under cover: Mar 17 to Jun 22, and Jul 3 to Oct 13
First harvest: About 44 days after sowing. Sown on April 14, ready around May 28.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Cucumber across the US, town by town

Winter squashOutdoors Apr 14 to May 15, and Jul 31 to Sep 4; Under cover Mar 17 to Jun 12, and Jul 3 to Oct 2

Sow outdoors: Apr 14 to May 15, and Jul 31 to Sep 4
Under cover: Mar 17 to Jun 12, and Jul 3 to Oct 2
First harvest: About 66 days after sowing. Sown on April 14, ready around June 19.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Winter squash across the US, town by town

Sweet cornOutdoors Apr 9 to May 15, and Jul 31 to Sep 6; Under cover Mar 12 to Jun 12, and Jul 3 to Oct 4

Sow outdoors: Apr 9 to May 15, and Jul 31 to Sep 6
Under cover: Mar 12 to Jun 12, and Jul 3 to Oct 4
First harvest: About 60 days after sowing. Sown on April 9, ready around June 8.
Warmth: Tender: needs days averaging 52°F or more, and no frost.

Sweet corn across the US, town by town

Roots

CarrotOutdoors Feb 20 to May 21, and Aug 9 to Sep 4; Under cover Jan 23 to Jun 18, and Jul 12 to Oct 2

Sow outdoors: Feb 20 to May 21, and Aug 9 to Sep 4
Under cover: Jan 23 to Jun 18, and Jul 12 to Oct 2
First harvest: About 81 days after sowing. Sown on February 20, ready around May 12.
Warmth: Hardy: grows once days average 45°F.

Carrot across the US, town by town

BeetOutdoors Feb 20 to May 30, and Aug 1 to Sep 17; Under cover Jan 23 to Oct 15

Sow outdoors: Feb 20 to May 30, and Aug 1 to Sep 17
Under cover: Jan 23 to Oct 15
First harvest: About 58 days after sowing. Sown on February 20, ready around April 19.
Warmth: Hardy: grows once days average 45°F.

Beet across the US, town by town

ParsnipOutdoors Feb 10 to Apr 28, and Aug 9 to Aug 19; Under cover Jan 13 to May 26, and Jul 12 to Jul 22, and Aug 9 to Aug 19, and Sep 6 to Sep 16

Sow outdoors: Feb 10 to Apr 28, and Aug 9 to Aug 19
Under cover: Jan 13 to May 26, and Jul 12 to Jul 22, and Aug 9 to Aug 19, and Sep 6 to Sep 16
First harvest: About 101 days after sowing. Sown on February 10, ready around May 22.
Warmth: Hardy: grows once days average 43°F.

Parsnip across the US, town by town

RadishOutdoors Feb 10 to Apr 22, and Sep 1 to Oct 22; Under cover Jan 13 to May 20, and Aug 4 to Nov 19

Sow outdoors: Feb 10 to Apr 22, and Sep 1 to Oct 22
Under cover: Jan 13 to May 20, and Aug 4 to Nov 19
First harvest: About 24 days after sowing. Sown on February 10, ready around March 6.
Warmth: Hardy: grows once days average 43°F; bolts in hot weather.

Radish across the US, town by town

PotatoOutdoors Feb 10 to Apr 7, and Aug 15 to Sep 4; Under cover Jan 13 to May 5, and Jul 18 to Oct 2

Plant outdoors: Feb 10 to Apr 7, and Aug 15 to Sep 4
Under cover: Jan 13 to May 5, and Jul 18 to Oct 2
First harvest: About 80 days after planting. Planted on February 10, ready around May 1.
Warmth: Hardy: grows once days average 43°F.

Potato across the US, town by town

TurnipOutdoors Feb 10 to Apr 29, and Aug 27 to Sep 27; Under cover Jan 13 to May 27, and Jul 30 to Oct 25

Sow outdoors: Feb 10 to Apr 29, and Aug 27 to Sep 27
Under cover: Jan 13 to May 27, and Jul 30 to Oct 25
First harvest: About 49 days after sowing. Sown on February 10, ready around March 31.
Warmth: Hardy: grows once days average 43°F.

Turnip across the US, town by town

Leaves

LettuceOutdoors Feb 12 to Apr 16, and Sep 5 to Sep 23; Under cover Jan 15 to May 14, and Aug 8 to Aug 26, and Sep 5 to Sep 23, and Oct 3 to Oct 21

Sow outdoors: Feb 12 to Apr 16, and Sep 5 to Sep 23
Under cover: Jan 15 to May 14, and Aug 8 to Aug 26, and Sep 5 to Sep 23, and Oct 3 to Oct 21
First harvest: About 57 days after sowing. Sown on February 12, ready around April 10.
Warmth: Hardy: grows once days average 43°F; bolts in hot weather.

Lettuce across the US, town by town

SpinachOutdoors Feb 10 to Apr 16, and Sep 5 to Oct 18; Under cover Jan 13 to May 14, and Aug 8 to Nov 15

Sow outdoors: Feb 10 to Apr 16, and Sep 5 to Oct 18
Under cover: Jan 13 to May 14, and Aug 8 to Nov 15
First harvest: About 37 days after sowing. Sown on February 10, ready around March 19.
Warmth: Hardy: grows once days average 43°F; bolts in hot weather.

Spinach across the US, town by town

Swiss chardOutdoors Feb 20 to Jun 11, and Jul 21 to Sep 27; Under cover Jan 23 to Oct 25

Sow outdoors: Feb 20 to Jun 11, and Jul 21 to Sep 27
Under cover: Jan 23 to Oct 25
First harvest: About 50 days after sowing. Sown on February 20, ready around April 11.
Warmth: Hardy: grows once days average 45°F.

Swiss chard across the US, town by town

ArugulaOutdoors Feb 10 to Apr 16, and Sep 5 to Oct 19; Under cover Jan 13 to May 14, and Aug 8 to Nov 16

Sow outdoors: Feb 10 to Apr 16, and Sep 5 to Oct 19
Under cover: Jan 13 to May 14, and Aug 8 to Nov 16
First harvest: About 34 days after sowing. Sown on February 10, ready around March 16.
Warmth: Hardy: grows once days average 43°F; bolts in hot weather.

Arugula across the US, town by town

CeleryOutdoors Feb 1 to Apr 2, and Aug 15 to Aug 22; Under cover Jan 4 to Apr 30, and Jul 18 to Jul 25, and Aug 15 to Aug 22, and Sep 12 to Sep 19

Sow outdoors: Feb 1 to Apr 2, and Aug 15 to Aug 22
Under cover: Jan 4 to Apr 30, and Jul 18 to Jul 25, and Aug 15 to Aug 22, and Sep 12 to Sep 19
First harvest: About 100 days after sowing. Sown on February 1, ready around May 12.
Warmth: Hardy: grows once days average 41°F.

Celery across the US, town by town

Beans and peas

Runner beanOutdoors Apr 9 to May 25, and Aug 1 to Sep 9; Under cover Mar 12 to Jun 22, and Jul 4 to Oct 7

Sow outdoors: Apr 9 to May 25, and Aug 1 to Sep 9
Under cover: Mar 12 to Jun 22, and Jul 4 to Oct 7
First harvest: About 54 days after sowing. Sown on April 9, ready around June 2.
Warmth: Tender: needs days averaging 52°F or more, and no frost.

Runner bean across the US, town by town

Green beanOutdoors Apr 9 to Jun 9, and Jul 31 to Sep 17; Under cover Mar 12 to Oct 15

Sow outdoors: Apr 9 to Jun 9, and Jul 31 to Sep 17
Under cover: Mar 12 to Oct 15
First harvest: About 48 days after sowing. Sown on April 9, ready around May 27.
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 7; Under cover Oct 11 to Jan 4

Sow outdoors: Nov 8 to Dec 7
Under cover: Oct 11 to Jan 4
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 10 to Apr 22, and Sep 1 to Sep 10; Under cover Jan 13 to May 20, and Aug 4 to Aug 13, and Sep 1 to Sep 10, and Sep 29 to Oct 8

Sow outdoors: Feb 10 to Apr 22, and Sep 1 to Sep 10
Under cover: Jan 13 to May 20, and Aug 4 to Aug 13, and Sep 1 to Sep 10, and Sep 29 to Oct 8
First harvest: About 65 days after sowing. Sown on February 10, 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 7 to Mar 30, and Aug 9 to Aug 17; Under cover Jan 10 to Apr 27, and Jul 12 to Jul 20, and Aug 9 to Aug 17, and Sep 6 to Sep 14

Plant outdoors: Feb 7 to Mar 30, and Aug 9 to Aug 17
Under cover: Jan 10 to Apr 27, and Jul 12 to Jul 20, and Aug 9 to Aug 17, and Sep 6 to Sep 14
First harvest: About 108 days after planting. Planted on February 7, ready around May 26.
Warmth: Hardy: grows once days average 43°F.

Onion across the US, town by town

GarlicOutdoors Nov 8 to Dec 14; Under cover Oct 11 to Jan 11

Plant outdoors: Nov 8 to Dec 14
Under cover: Oct 11 to Jan 11
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 10 to May 28, and Aug 1 to Aug 23; Under cover Jan 13 to Jun 25, and Jul 4 to Sep 20

Sow outdoors: Feb 10 to May 28, and Aug 1 to Aug 23
Under cover: Jan 13 to Jun 25, and Jul 4 to Sep 20
First harvest: About 114 days after sowing. Sown on February 10, ready around June 4.
Warmth: Hardy: grows once days average 43°F.

Leek across the US, town by town

ScallionOutdoors Feb 1 to Jun 11, and Jul 21 to Oct 6; Under cover Jan 4 to Nov 3

Sow outdoors: Feb 1 to Jun 11, and Jul 21 to Oct 6
Under cover: Jan 4 to Nov 3
First harvest: About 55 days after sowing. Sown on February 1, ready around March 28.
Warmth: Hardy: grows once days average 41°F.

Scallion across the US, town by town

ShallotOutdoors Jan 23 to Apr 7, and Aug 9 to Aug 22; Under cover Jul 12 to Jul 25, and Aug 9 to Aug 22, and Sep 6 to Sep 19, and Dec 26 to May 5

Plant outdoors: Jan 23 to Apr 7, and Aug 9 to Aug 22
Under cover: Jul 12 to Jul 25, and Aug 9 to Aug 22, and Sep 6 to Sep 19, and Dec 26 to May 5
First harvest: About 100 days after planting. Planted on January 23, ready around May 3.
Warmth: Hardy: grows once days average 41°F.

Shallot across the US, town by town

Brassicas

CabbageOutdoors Feb 10 to May 13, and Aug 15 to Sep 3; Under cover Jan 13 to Jun 10, and Jul 18 to Aug 6, and Aug 15 to Sep 3, and Sep 12 to Oct 1

Sow outdoors: Feb 10 to May 13, and Aug 15 to Sep 3
Under cover: Jan 13 to Jun 10, and Jul 18 to Aug 6, and Aug 15 to Sep 3, and Sep 12 to Oct 1
First harvest: About 87 days after sowing. Sown on February 10, ready around May 8.
Warmth: Hardy: grows once days average 43°F.

Cabbage across the US, town by town

BroccoliOutdoors Feb 20 to May 13, and Aug 15 to Sep 5; Under cover Jan 23 to Jun 10, and Jul 18 to Oct 3

Sow outdoors: Feb 20 to May 13, and Aug 15 to Sep 5
Under cover: Jan 23 to Jun 10, and Jul 18 to Oct 3
First harvest: About 73 days after sowing. Sown on February 20, ready around May 4.
Warmth: Hardy: grows once days average 45°F.

Broccoli across the US, town by town

CauliflowerOutdoors Feb 10 to Apr 22; Under cover Jan 13 to May 20

Sow outdoors: Feb 10 to Apr 22
Under cover: Jan 13 to May 20
First harvest: About 94 days after sowing. Sown on February 10, ready around May 15.
Warmth: Hardy: grows once days average 43°F; bolts in hot weather.

Cauliflower across the US, town by town

Brussels sproutOutdoors Feb 10 to Apr 12; Under cover Jan 13 to May 10

Sow outdoors: Feb 10 to Apr 12
Under cover: Jan 13 to May 10
First harvest: About 129 days after sowing. Sown on February 10, ready around June 19.
Warmth: Hardy: grows once days average 43°F.

Brussels sprout across the US, town by town

KaleOutdoors Feb 20 to May 21, and Aug 9 to Sep 12; Under cover Jan 23 to Jun 18, and Jul 12 to Oct 10

Sow outdoors: Feb 20 to May 21, and Aug 9 to Sep 12
Under cover: Jan 23 to Jun 18, and Jul 12 to Oct 10
First harvest: About 66 days after sowing. Sown on February 20, ready around April 27.
Warmth: Hardy: grows once days average 45°F.

Kale across the US, town by town

Bok choyOutdoors Feb 28 to Apr 16, and Sep 5 to Oct 9; Under cover Jan 31 to May 14, and Aug 8 to Nov 6

Sow outdoors: Feb 28 to Apr 16, and Sep 5 to Oct 9
Under cover: Jan 31 to May 14, and Aug 8 to Nov 6
First harvest: About 39 days after sowing. Sown on February 28, ready around April 8.
Warmth: Hardy: grows once days average 46°F; bolts in hot weather.

Bok choy across the US, town by town

Herbs

BasilOutdoors Mar 11 to Jun 10, and Jul 31 to Sep 21; Under cover Feb 11 to Oct 19

Sow outdoors: Mar 11 to Jun 10, and Jul 31 to Sep 21
Under cover: Feb 11 to Oct 19
First harvest: About 47 days after sowing. Sown on March 11, ready around April 27.
Warmth: Tender: needs days averaging 46°F or more, and no frost.

Basil across the US, town by town

ParsleyOutdoors Feb 10 to May 30, and Aug 1 to Sep 26; Under cover Jan 13 to Oct 24

Sow outdoors: Feb 10 to May 30, and Aug 1 to Sep 26
Under cover: Jan 13 to Oct 24
First harvest: About 61 days after sowing. Sown on February 10, ready around April 12.
Warmth: Hardy: grows once days average 43°F.

Parsley across the US, town by town

CilantroOutdoors Feb 20 to Apr 16, and Sep 5 to Oct 8; Under cover Jan 23 to May 14, and Aug 8 to Nov 5

Sow outdoors: Feb 20 to Apr 16, and Sep 5 to Oct 8
Under cover: Jan 23 to May 14, and Aug 8 to Nov 5
First harvest: About 43 days after sowing. Sown on February 20, ready around April 4.
Warmth: Hardy: grows once days average 45°F; bolts in hot weather.

Cilantro across the US, town by town

ChivesOutdoors Feb 10 to Apr 28, and Jul 31 to Sep 11; Under cover Jan 13 to May 26, and Jul 3 to Oct 9

Sow outdoors: Feb 10 to Apr 28, and Jul 31 to Sep 11
Under cover: Jan 13 to May 26, and Jul 3 to Oct 9
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 20 to Oct 27; Under cover Jan 23 to Nov 24

Sow outdoors: Feb 20 to Oct 27
Under cover: Jan 23 to Nov 24
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 10 to Apr 12, and Jul 31 to Sep 9; Under cover Jan 13 to May 10, and Jul 3 to Oct 7

Plant outdoors: Feb 10 to Apr 12, and Jul 31 to Sep 9
Under cover: Jan 13 to May 10, and Jul 3 to Oct 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 Nov 26 to Jan 8; Under cover Oct 29 to Feb 5

Plant outdoors: Nov 26 to Jan 8
Under cover: Oct 29 to Feb 5
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 16 to Dec 24; Under cover Oct 19 to Jan 21

Plant outdoors: Nov 16 to Dec 24
Under cover: Oct 19 to Jan 21
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 Norman

When is the last frost in Norman?

On average around March 11, and the first autumn frost comes around November 23. 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 Norman?

Yes. Plant them outdoors Apr 15 to May 10, and Jul 31 to Sep 3, or under cover Mar 18 to Jun 7, and Jul 3 to Oct 1.

What can I sow in Norman 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 Norman. 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