Tennessee, US

Planting calendar for Knoxville

Last frost around March 25, first frost around November 13: about 233 frost-free days.

Last frost: March 25
First frost: November 13
Frost-free days: 233

Sow now: November

See the whole year

Outdoors

Fava bean
Garlic
Raspberry
Rhubarb

Under cover

Radish
Spinach
Arugula
Mint

The year at a glance

When each crop can be sown in Knoxville. 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 Knoxville, 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: Sow under cover	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 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 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
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: Not this month	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 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 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 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: 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
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: 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
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: 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
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: Not this month	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
Green bean	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 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
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 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
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 under cover	September: Not this month	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 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
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 outdoors and under cover	June: Sow under cover	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 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: 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
Herbs
Basil	January: Not this month	February: Not this month	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 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: 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
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 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: 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
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 outdoors and 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 29 to May 24, and Jul 29 to Aug 23; Under cover Apr 1 to Jun 21, and Jul 1 to Sep 20

Sow outdoors: Apr 29 to May 24, and Jul 29 to Aug 23
Under cover: Apr 1 to Jun 21, and Jul 1 to Sep 20
First harvest: About 66 days after sowing. Sown on April 29, ready around July 4.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Tomato across the US, town by town

Chile pepperOutdoors Apr 28 to May 24, and Jul 29 to Aug 21; Under cover Mar 31 to Jun 21, and Jul 1 to Sep 18

Sow outdoors: Apr 28 to May 24, and Jul 29 to Aug 21
Under cover: Mar 31 to Jun 21, and Jul 1 to Sep 18
First harvest: About 84 days after sowing. Sown on April 28, ready around July 21.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Chile pepper across the US, town by town

Bell pepperOutdoors May 3 to May 29, and Jul 29 to Aug 23; Under cover Apr 5 to Sep 20

Sow outdoors: May 3 to May 29, and Jul 29 to Aug 23
Under cover: Apr 5 to Sep 20
First harvest: About 78 days after sowing. Sown on May 3, ready around July 20.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Bell pepper across the US, town by town

EggplantOutdoors May 3 to May 24, and Jul 29 to Aug 21; Under cover Apr 5 to Jun 21, and Jul 1 to Sep 18

Sow outdoors: May 3 to May 24, and Jul 29 to Aug 21
Under cover: Apr 5 to Jun 21, and Jul 1 to Sep 18
First harvest: About 90 days after sowing. Sown on May 3, ready around August 1.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Eggplant across the US, town by town

ZucchiniOutdoors Apr 28 to Jun 8, and Jul 29 to Sep 10; Under cover Mar 31 to Oct 8

Sow outdoors: Apr 28 to Jun 8, and Jul 29 to Sep 10
Under cover: Mar 31 to Oct 8
First harvest: About 39 days after sowing. Sown on April 28, ready around June 6.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Zucchini across the US, town by town

CucumberOutdoors Apr 28 to Jun 8, and Jul 29 to Sep 5; Under cover Mar 31 to Oct 3

Sow outdoors: Apr 28 to Jun 8, and Jul 29 to Sep 5
Under cover: Mar 31 to Oct 3
First harvest: About 42 days after sowing. Sown on April 28, ready around June 9.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Cucumber across the US, town by town

Winter squashOutdoors Apr 28 to May 29, and Jul 29 to Aug 24; Under cover Mar 31 to Sep 21

Sow outdoors: Apr 28 to May 29, and Jul 29 to Aug 24
Under cover: Mar 31 to Sep 21
First harvest: About 66 days after sowing. Sown on April 28, ready around July 3.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Winter squash across the US, town by town

Sweet cornOutdoors Apr 23 to May 29, and Jul 29 to Aug 25; Under cover Mar 26 to Sep 22

Sow outdoors: Apr 23 to May 29, and Jul 29 to Aug 25
Under cover: Mar 26 to Sep 22
First harvest: About 60 days after sowing. Sown on April 23, ready around June 22.
Warmth: Tender: needs days averaging 52°F or more, and no frost.

Sweet corn across the US, town by town

Roots

CarrotOutdoors Feb 26 to Jun 6, and Jul 29 to Aug 25; Under cover Jan 29 to Sep 22

Sow outdoors: Feb 26 to Jun 6, and Jul 29 to Aug 25
Under cover: Jan 29 to Sep 22
First harvest: About 83 days after sowing. Sown on February 26, ready around May 20.
Warmth: Hardy: grows once days average 45°F.

Carrot across the US, town by town

BeetOutdoors Feb 26 to Jun 11, and Jul 29 to Sep 8; Under cover Jan 29 to Oct 6

Sow outdoors: Feb 26 to Jun 11, and Jul 29 to Sep 8
Under cover: Jan 29 to Oct 6
First harvest: About 59 days after sowing. Sown on February 26, ready around April 26.
Warmth: Hardy: grows once days average 45°F.

Beet across the US, town by town

ParsnipOutdoors Feb 16 to May 4, and Jul 29 to Aug 7; Under cover Jan 19 to Jun 1, and Jul 1 to Jul 10, and Jul 29 to Aug 7, and Aug 26 to Sep 4

Sow outdoors: Feb 16 to May 4, and Jul 29 to Aug 7
Under cover: Jan 19 to Jun 1, and Jul 1 to Jul 10, and Jul 29 to Aug 7, and Aug 26 to Sep 4
First harvest: About 103 days after sowing. Sown on February 16, ready around May 30.
Warmth: Hardy: grows once days average 43°F.

Parsnip across the US, town by town

RadishOutdoors Feb 16 to May 11, and Aug 15 to Oct 16; Under cover Jan 19 to Jun 8, and Jul 18 to Nov 13

Sow outdoors: Feb 16 to May 11, and Aug 15 to Oct 16
Under cover: Jan 19 to Jun 8, and Jul 18 to Nov 13
First harvest: About 24 days after sowing. Sown on February 16, ready around March 12.
Warmth: Hardy: grows once days average 43°F; bolts in hot weather.

Radish across the US, town by town

PotatoOutdoors Feb 16 to Apr 13, and Jul 29 to Aug 26; Under cover Jan 19 to May 11, and Jul 1 to Sep 23

Plant outdoors: Feb 16 to Apr 13, and Jul 29 to Aug 26
Under cover: Jan 19 to May 11, and Jul 1 to Sep 23
First harvest: About 81 days after planting. Planted on February 16, ready around May 8.
Warmth: Hardy: grows once days average 43°F.

Potato across the US, town by town

TurnipOutdoors Feb 16 to May 20, and Aug 7 to Sep 20; Under cover Jan 19 to Jun 17, and Jul 10 to Oct 18

Sow outdoors: Feb 16 to May 20, and Aug 7 to Sep 20
Under cover: Jan 19 to Jun 17, and Jul 10 to Oct 18
First harvest: About 49 days after sowing. Sown on February 16, ready around April 6.
Warmth: Hardy: grows once days average 43°F.

Turnip across the US, town by town

Leaves

LettuceOutdoors Feb 19 to May 2, and Aug 21 to Sep 15; Under cover Jan 22 to May 30, and Jul 24 to Oct 13

Sow outdoors: Feb 19 to May 2, and Aug 21 to Sep 15
Under cover: Jan 22 to May 30, and Jul 24 to Oct 13
First harvest: About 58 days after sowing. Sown on February 19, ready around April 18.
Warmth: Hardy: grows once days average 43°F; bolts in hot weather.

Lettuce across the US, town by town

SpinachOutdoors Feb 16 to May 2, and Aug 21 to Oct 12; Under cover Jan 19 to May 30, and Jul 24 to Nov 9

Sow outdoors: Feb 16 to May 2, and Aug 21 to Oct 12
Under cover: Jan 19 to May 30, and Jul 24 to Nov 9
First harvest: About 37 days after sowing. Sown on February 16, ready around March 25.
Warmth: Hardy: grows once days average 43°F; bolts in hot weather.

Spinach across the US, town by town

Swiss chardOutdoors Feb 26 to Sep 20; Under cover Jan 29 to Oct 18

Sow outdoors: Feb 26 to Sep 20
Under cover: Jan 29 to Oct 18
First harvest: About 51 days after sowing. Sown on February 26, ready around April 18.
Warmth: Hardy: grows once days average 45°F.

Swiss chard across the US, town by town

ArugulaOutdoors Feb 16 to May 2, and Aug 21 to Oct 13; Under cover Jan 19 to May 30, and Jul 24 to Nov 10

Sow outdoors: Feb 16 to May 2, and Aug 21 to Oct 13
Under cover: Jan 19 to May 30, and Jul 24 to Nov 10
First harvest: About 33 days after sowing. Sown on February 16, ready around March 21.
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 Jul 29 to Aug 11; Under cover Jan 10 to May 6, and Jul 1 to Jul 14, and Jul 29 to Aug 11, and Aug 26 to Sep 8

Sow outdoors: Feb 7 to Apr 8, and Jul 29 to Aug 11
Under cover: Jan 10 to May 6, and Jul 1 to Jul 14, and Jul 29 to Aug 11, and Aug 26 to Sep 8
First harvest: About 101 days after sowing. Sown on February 7, ready around May 19.
Warmth: Hardy: grows once days average 41°F.

Celery across the US, town by town

Beans and peas

Runner beanOutdoors Apr 23 to Jun 8, and Jul 29 to Aug 30; Under cover Mar 26 to Sep 27

Sow outdoors: Apr 23 to Jun 8, and Jul 29 to Aug 30
Under cover: Mar 26 to Sep 27
First harvest: About 54 days after sowing. Sown on April 23, ready around June 16.
Warmth: Tender: needs days averaging 52°F or more, and no frost.

Runner bean across the US, town by town

Green beanOutdoors Apr 23 to Jun 23, and Jul 29 to Sep 7; Under cover Mar 26 to Oct 5

Sow outdoors: Apr 23 to Jun 23, and Jul 29 to Sep 7
Under cover: Mar 26 to Oct 5
First harvest: About 47 days after sowing. Sown on April 23, 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 Nov 3 to Dec 5; Under cover Oct 6 to Jan 2

Sow outdoors: Nov 3 to Dec 5
Under cover: Oct 6 to Jan 2
First harvest: About 220 days after sowing. Sown on November 3, ready around June 11.
Warmth: Hardy: goes in as the weather cools, and grows on through winter.

Fava bean across the US, town by town

PeaOutdoors Feb 16 to May 11, and Aug 15 to Aug 31; Under cover Jan 19 to Jun 8, and Jul 18 to Aug 3, and Aug 15 to Aug 31, and Sep 12 to Sep 28

Sow outdoors: Feb 16 to May 11, and Aug 15 to Aug 31
Under cover: Jan 19 to Jun 8, and Jul 18 to Aug 3, and Aug 15 to Aug 31, and Sep 12 to Sep 28
First harvest: About 65 days after sowing. Sown on February 16, ready around April 22.
Warmth: Hardy: grows once days average 43°F; bolts in hot weather.

Pea across the US, town by town

Onion family

OnionOutdoors Feb 13 to Apr 5, and Jul 29 to Aug 5; Under cover Jan 16 to May 3, and Jul 1 to Jul 8, and Jul 29 to Aug 5, and Aug 26 to Sep 2

Plant outdoors: Feb 13 to Apr 5, and Jul 29 to Aug 5
Under cover: Jan 16 to May 3, and Jul 1 to Jul 8, and Jul 29 to Aug 5, and Aug 26 to Sep 2
First harvest: About 110 days after planting. Planted on February 13, ready around June 3.
Warmth: Hardy: grows once days average 43°F.

Onion across the US, town by town

GarlicOutdoors Nov 3 to Dec 12; Under cover Oct 6 to Jan 9

Plant outdoors: Nov 3 to Dec 12
Under cover: Oct 6 to Jan 9
First harvest: About 250 days after planting. Planted on November 3, ready around July 11.
Warmth: Hardy: goes in as the weather cools, and grows on through winter.

Garlic across the US, town by town

LeekOutdoors Feb 16 to Jun 3, and Jul 29 to Aug 12; Under cover Jan 19 to Jul 15, and Jul 29 to Aug 12, and Aug 26 to Sep 9

Sow outdoors: Feb 16 to Jun 3, and Jul 29 to Aug 12
Under cover: Jan 19 to Jul 15, and Jul 29 to Aug 12, and Aug 26 to Sep 9
First harvest: About 117 days after sowing. Sown on February 16, ready around June 13.
Warmth: Hardy: grows once days average 43°F.

Leek across the US, town by town

ScallionOutdoors Feb 7 to Sep 30; Under cover Jan 10 to Oct 28

Sow outdoors: Feb 7 to Sep 30
Under cover: Jan 10 to Oct 28
First harvest: About 54 days after sowing. Sown on February 7, ready around April 2.
Warmth: Hardy: grows once days average 41°F.

Scallion across the US, town by town

ShallotOutdoors Jan 30 to Apr 14, and Jul 29 to Aug 11; Under cover Jan 2 to May 12, and Jul 1 to Jul 14, and Jul 29 to Aug 11, and Aug 26 to Sep 8

Plant outdoors: Jan 30 to Apr 14, and Jul 29 to Aug 11
Under cover: Jan 2 to May 12, and Jul 1 to Jul 14, and Jul 29 to Aug 11, and Aug 26 to Sep 8
First harvest: About 98 days after planting. Planted on January 30, ready around May 8.
Warmth: Hardy: grows once days average 41°F.

Shallot across the US, town by town

Brassicas

CabbageOutdoors Feb 16 to Jun 18, and Jul 29 to Aug 25; Under cover Jan 19 to Sep 22

Sow outdoors: Feb 16 to Jun 18, and Jul 29 to Aug 25
Under cover: Jan 19 to Sep 22
First harvest: About 88 days after sowing. Sown on February 16, ready around May 15.
Warmth: Hardy: grows once days average 43°F.

Cabbage across the US, town by town

BroccoliOutdoors Feb 26 to May 27, and Jul 29 to Aug 27; Under cover Jan 29 to Sep 24

Sow outdoors: Feb 26 to May 27, and Jul 29 to Aug 27
Under cover: Jan 29 to Sep 24
First harvest: About 75 days after sowing. Sown on February 26, ready around May 12.
Warmth: Hardy: grows once days average 45°F.

Broccoli across the US, town by town

CauliflowerOutdoors Feb 16 to May 11; Under cover Jan 19 to Jun 8

Sow outdoors: Feb 16 to May 11
Under cover: Jan 19 to Jun 8
First harvest: About 96 days after sowing. Sown on February 16, ready around May 23.
Warmth: Hardy: grows once days average 43°F; bolts in hot weather.

Cauliflower across the US, town by town

Brussels sproutOutdoors Feb 16 to Apr 18; Under cover Jan 19 to May 16

Sow outdoors: Feb 16 to Apr 18
Under cover: Jan 19 to May 16
First harvest: About 134 days after sowing. Sown on February 16, ready around June 30.
Warmth: Hardy: grows once days average 43°F.

Brussels sprout across the US, town by town

KaleOutdoors Feb 26 to Jun 11, and Jul 29 to Sep 3; Under cover Jan 29 to Oct 1

Sow outdoors: Feb 26 to Jun 11, and Jul 29 to Sep 3
Under cover: Jan 29 to Oct 1
First harvest: About 67 days after sowing. Sown on February 26, ready around May 4.
Warmth: Hardy: grows once days average 45°F.

Kale across the US, town by town

Bok choyOutdoors Mar 7 to May 2, and Aug 21 to Oct 3; Under cover Feb 7 to May 30, and Jul 24 to Oct 31

Sow outdoors: Mar 7 to May 2, and Aug 21 to Oct 3
Under cover: Feb 7 to May 30, and Jul 24 to Oct 31
First harvest: About 40 days after sowing. Sown on March 7, ready around April 16.
Warmth: Hardy: grows once days average 46°F; bolts in hot weather.

Bok choy across the US, town by town

Herbs

BasilOutdoors Mar 25 to Jun 24, and Jul 29 to Sep 11; Under cover Feb 25 to Oct 9

Sow outdoors: Mar 25 to Jun 24, and Jul 29 to Sep 11
Under cover: Feb 25 to Oct 9
First harvest: About 49 days after sowing. Sown on March 25, ready around May 13.
Warmth: Tender: needs days averaging 46°F or more, and no frost.

Basil across the US, town by town

ParsleyOutdoors Feb 16 to Sep 18; Under cover Jan 19 to Oct 16

Sow outdoors: Feb 16 to Sep 18
Under cover: Jan 19 to Oct 16
First harvest: About 61 days after sowing. Sown on February 16, ready around April 18.
Warmth: Hardy: grows once days average 43°F.

Parsley across the US, town by town

CilantroOutdoors Feb 26 to May 2, and Aug 21 to Oct 2; Under cover Jan 29 to May 30, and Jul 24 to Oct 30

Sow outdoors: Feb 26 to May 2, and Aug 21 to Oct 2
Under cover: Jan 29 to May 30, and Jul 24 to Oct 30
First harvest: About 43 days after sowing. Sown on February 26, ready around April 10.
Warmth: Hardy: grows once days average 45°F; bolts in hot weather.

Cilantro across the US, town by town

ChivesOutdoors Feb 16 to May 4, and Jul 29 to Sep 3; Under cover Jan 19 to Jun 1, and Jul 1 to Oct 1

Sow outdoors: Feb 16 to May 4, and Jul 29 to Sep 3
Under cover: Jan 19 to Jun 1, and Jul 1 to Oct 1
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 26 to Oct 22; Under cover Jan 29 to Nov 19

Sow outdoors: Feb 26 to Oct 22
Under cover: Jan 29 to Nov 19
First harvest: Crops every year once it’s established.
Warmth: Hardy: grows once days average 45°F.

Mint across the US, town by town

Fruit

StrawberryOutdoors Feb 16 to Apr 18, and Jul 29 to Aug 31; Under cover Jan 19 to May 16, and Jul 1 to Sep 28

Plant outdoors: Feb 16 to Apr 18, and Jul 29 to Aug 31
Under cover: Jan 19 to May 16, and Jul 1 to Sep 28
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 23 to Jan 1; Under cover Oct 26 to Jan 29

Plant outdoors: Nov 23 to Jan 1
Under cover: Oct 26 to Jan 29
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 12 to Dec 22; Under cover Oct 15 to Jan 19

Plant outdoors: Nov 12 to Dec 22
Under cover: Oct 15 to Jan 19
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 Knoxville

When is the last frost in Knoxville?

On average around March 25, and the first autumn frost comes around November 13. 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 Knoxville?

Yes. Plant them outdoors Apr 29 to May 24, and Jul 29 to Aug 23, or under cover Apr 1 to Jun 21, and Jul 1 to Sep 20.

What can I sow in Knoxville in November?

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