Tennessee, US

Planting calendar for Clarksville

Last frost around March 20, first frost around November 20: about 245 frost-free days.

Last frost: March 20
First frost: November 20
Frost-free days: 245

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 Clarksville. 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 Clarksville, 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 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: 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
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 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: 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 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: 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
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 outdoors and under cover	July: Sow under cover	August: Sow outdoors and under cover	September: Sow under cover	October: Not this month	November: Not this month	December: Not this month
Beet	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow under cover	August: Sow outdoors and under cover	September: Sow 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 outdoors and 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: 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: 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
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: 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
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 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: 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 outdoors and under cover	May: Not this month	June: Not this month	July: Plant under cover	August: Plant outdoors and under cover	September: Not this month	October: Not this month	November: Not this month	December: Not this month
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 outdoors and under cover	July: Sow under cover	August: Sow outdoors and under cover	September: Sow under cover	October: Not this month	November: Not this month	December: Not this month
Bok choy	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow under cover	June: Not this month	July: Not this month	August: Sow 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: 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 outdoors and under cover	July: Sow outdoors and under cover	August: Sow outdoors and under cover	September: Sow outdoors and under cover	October: Sow under cover	November: Not this month	December: Not this month
Cilantro	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow under cover	June: Not this month	July: Not this month	August: Sow 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 outdoors and 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 24 to May 19, and Jul 28 to Aug 27; Under cover Mar 27 to Jun 16, and Jun 30 to Sep 24

Sow outdoors: Apr 24 to May 19, and Jul 28 to Aug 27
Under cover: Mar 27 to Jun 16, and Jun 30 to Sep 24
First harvest: About 66 days after sowing. Sown on April 24, ready around June 29.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Tomato across the US, town by town

Chile pepperOutdoors Apr 23 to May 19, and Jul 28 to Aug 26; Under cover Mar 26 to Jun 16, and Jun 30 to Sep 23

Sow outdoors: Apr 23 to May 19, and Jul 28 to Aug 26
Under cover: Mar 26 to Jun 16, and Jun 30 to Sep 23
First harvest: About 84 days after sowing. Sown on April 23, ready around July 16.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Chile pepper across the US, town by town

Bell pepperOutdoors Apr 28 to May 24, and Jul 28 to Aug 27; Under cover Mar 31 to Jun 21, and Jun 30 to Sep 24

Sow outdoors: Apr 28 to May 24, and Jul 28 to Aug 27
Under cover: Mar 31 to Jun 21, and Jun 30 to Sep 24
First harvest: About 78 days after sowing. Sown on April 28, ready around July 15.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Bell pepper across the US, town by town

EggplantOutdoors Apr 28 to May 19, and Jul 28 to Aug 26; Under cover Mar 31 to Jun 16, and Jun 30 to Sep 23

Sow outdoors: Apr 28 to May 19, and Jul 28 to Aug 26
Under cover: Mar 31 to Jun 16, and Jun 30 to Sep 23
First harvest: About 90 days after sowing. Sown on April 28, ready around July 27.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Eggplant across the US, town by town

ZucchiniOutdoors Apr 23 to Jun 3, and Jul 28 to Sep 13; Under cover Mar 26 to Oct 11

Sow outdoors: Apr 23 to Jun 3, and Jul 28 to Sep 13
Under cover: Mar 26 to Oct 11
First harvest: About 39 days after sowing. Sown on April 23, ready around June 1.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Zucchini across the US, town by town

CucumberOutdoors Apr 23 to Jun 3, and Jul 28 to Sep 9; Under cover Mar 26 to Oct 7

Sow outdoors: Apr 23 to Jun 3, and Jul 28 to Sep 9
Under cover: Mar 26 to Oct 7
First harvest: About 42 days after sowing. Sown on April 23, ready around June 4.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Cucumber across the US, town by town

Winter squashOutdoors Apr 23 to May 24, and Jul 28 to Aug 28; Under cover Mar 26 to Jun 21, and Jun 30 to Sep 25

Sow outdoors: Apr 23 to May 24, and Jul 28 to Aug 28
Under cover: Mar 26 to Jun 21, and Jun 30 to Sep 25
First harvest: About 66 days after sowing. Sown on April 23, ready around June 28.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Winter squash across the US, town by town

Sweet cornOutdoors Apr 18 to May 24, and Jul 28 to Aug 30; Under cover Mar 21 to Jun 21, and Jun 30 to Sep 27

Sow outdoors: Apr 18 to May 24, and Jul 28 to Aug 30
Under cover: Mar 21 to Jun 21, and Jun 30 to Sep 27
First harvest: About 60 days after sowing. Sown on April 18, ready around June 17.
Warmth: Tender: needs days averaging 52°F or more, and no frost.

Sweet corn across the US, town by town

Roots

CarrotOutdoors Feb 28 to Jun 8, and Jul 28 to Aug 29; Under cover Jan 31 to Sep 26

Sow outdoors: Feb 28 to Jun 8, and Jul 28 to Aug 29
Under cover: Jan 31 to Sep 26
First harvest: About 79 days after sowing. Sown on February 28, ready around May 18.
Warmth: Hardy: grows once days average 45°F.

Carrot across the US, town by town

BeetOutdoors Feb 28 to Jun 13, and Jul 28 to Sep 11; Under cover Jan 31 to Oct 9

Sow outdoors: Feb 28 to Jun 13, and Jul 28 to Sep 11
Under cover: Jan 31 to Oct 9
First harvest: About 57 days after sowing. Sown on February 28, ready around April 26.
Warmth: Hardy: grows once days average 45°F.

Beet across the US, town by town

ParsnipOutdoors Feb 19 to May 7, and Jul 28 to Aug 11; Under cover Jan 22 to Jun 4, and Jun 30 to Jul 14, and Jul 28 to Aug 11, and Aug 25 to Sep 8

Sow outdoors: Feb 19 to May 7, and Jul 28 to Aug 11
Under cover: Jan 22 to Jun 4, and Jun 30 to Jul 14, and Jul 28 to Aug 11, and Aug 25 to Sep 8
First harvest: About 98 days after sowing. Sown on February 19, ready around May 28.
Warmth: Hardy: grows once days average 43°F.

Parsnip across the US, town by town

RadishOutdoors Feb 19 to May 2, and Aug 21 to Oct 18; Under cover Jan 22 to May 30, and Jul 24 to Nov 15

Sow outdoors: Feb 19 to May 2, and Aug 21 to Oct 18
Under cover: Jan 22 to May 30, and Jul 24 to Nov 15
First harvest: About 23 days after sowing. Sown on February 19, ready around March 14.
Warmth: Hardy: grows once days average 43°F; bolts in hot weather.

Radish across the US, town by town

PotatoOutdoors Feb 19 to Apr 16, and Jul 29 to Aug 29; Under cover Jan 22 to May 14, and Jul 1 to Sep 26

Plant outdoors: Feb 19 to Apr 16, and Jul 29 to Aug 29
Under cover: Jan 22 to May 14, and Jul 1 to Sep 26
First harvest: About 76 days after planting. Planted on February 19, ready around May 6.
Warmth: Hardy: grows once days average 43°F.

Potato across the US, town by town

TurnipOutdoors Feb 19 to May 9, and Aug 15 to Sep 22; Under cover Jan 22 to Jun 6, and Jul 18 to Oct 20

Sow outdoors: Feb 19 to May 9, and Aug 15 to Sep 22
Under cover: Jan 22 to Jun 6, and Jul 18 to Oct 20
First harvest: About 46 days after sowing. Sown on February 19, ready around April 6.
Warmth: Hardy: grows once days average 43°F.

Turnip across the US, town by town

Leaves

LettuceOutdoors Feb 21 to Apr 25, and Aug 27 to Sep 18; Under cover Jan 24 to May 23, and Jul 30 to Oct 16

Sow outdoors: Feb 21 to Apr 25, and Aug 27 to Sep 18
Under cover: Jan 24 to May 23, and Jul 30 to Oct 16
First harvest: About 55 days after sowing. Sown on February 21, ready around April 17.
Warmth: Hardy: grows once days average 43°F; bolts in hot weather.

Lettuce across the US, town by town

SpinachOutdoors Feb 19 to Apr 25, and Aug 27 to Oct 14; Under cover Jan 22 to May 23, and Jul 30 to Nov 11

Sow outdoors: Feb 19 to Apr 25, and Aug 27 to Oct 14
Under cover: Jan 22 to May 23, and Jul 30 to Nov 11
First harvest: About 35 days after sowing. Sown on February 19, ready around March 26.
Warmth: Hardy: grows once days average 43°F; bolts in hot weather.

Spinach across the US, town by town

Swiss chardOutdoors Feb 28 to Sep 22; Under cover Jan 31 to Oct 20

Sow outdoors: Feb 28 to Sep 22
Under cover: Jan 31 to Oct 20
First harvest: About 49 days after sowing. Sown on February 28, ready around April 18.
Warmth: Hardy: grows once days average 45°F.

Swiss chard across the US, town by town

ArugulaOutdoors Feb 19 to Apr 25, and Aug 27 to Oct 15; Under cover Jan 22 to May 23, and Jul 30 to Nov 12

Sow outdoors: Feb 19 to Apr 25, and Aug 27 to Oct 15
Under cover: Jan 22 to May 23, and Jul 30 to Nov 12
First harvest: About 31 days after sowing. Sown on February 19, ready around March 22.
Warmth: Hardy: grows once days average 43°F; bolts in hot weather.

Arugula across the US, town by town

CeleryOutdoors Feb 12 to Apr 13, and Jul 29 to Aug 14; Under cover Jan 15 to May 11, and Jul 1 to Jul 17, and Jul 29 to Aug 14, and Aug 26 to Sep 11

Sow outdoors: Feb 12 to Apr 13, and Jul 29 to Aug 14
Under cover: Jan 15 to May 11, and Jul 1 to Jul 17, and Jul 29 to Aug 14, and Aug 26 to Sep 11
First harvest: About 95 days after sowing. Sown on February 12, ready around May 18.
Warmth: Hardy: grows once days average 41°F.

Celery across the US, town by town

Beans and peas

Runner beanOutdoors Apr 18 to Jun 3, and Jul 28 to Sep 3; Under cover Mar 21 to Oct 1

Sow outdoors: Apr 18 to Jun 3, and Jul 28 to Sep 3
Under cover: Mar 21 to Oct 1
First harvest: About 54 days after sowing. Sown on April 18, ready around June 11.
Warmth: Tender: needs days averaging 52°F or more, and no frost.

Runner bean across the US, town by town

Green beanOutdoors Apr 18 to Jun 18, and Jul 28 to Sep 11; Under cover Mar 21 to Oct 9

Sow outdoors: Apr 18 to Jun 18, and Jul 28 to Sep 11
Under cover: Mar 21 to Oct 9
First harvest: About 47 days after sowing. Sown on April 18, ready around June 4.
Warmth: Tender: needs days averaging 52°F or more, and no frost.

Green bean across the US, town by town

Fava beanOutdoors Nov 5 to Dec 5; Under cover Oct 8 to Jan 2

Sow outdoors: Nov 5 to Dec 5
Under cover: Oct 8 to Jan 2
First harvest: About 220 days after sowing. Sown on November 5, ready around June 13.
Warmth: Hardy: goes in as the weather cools, and grows on through winter.

Fava bean across the US, town by town

PeaOutdoors Feb 19 to May 2, and Aug 21 to Sep 4; Under cover Jan 22 to May 30, and Jul 24 to Aug 7, and Aug 21 to Sep 4, and Sep 18 to Oct 2

Sow outdoors: Feb 19 to May 2, and Aug 21 to Sep 4
Under cover: Jan 22 to May 30, and Jul 24 to Aug 7, and Aug 21 to Sep 4, and Sep 18 to Oct 2
First harvest: About 61 days after sowing. Sown on February 19, ready around April 21.
Warmth: Hardy: grows once days average 43°F; bolts in hot weather.

Pea across the US, town by town

Onion family

OnionOutdoors Feb 16 to Apr 8, and Jul 28 to Aug 9; Under cover Jan 19 to May 6, and Jun 30 to Jul 12, and Jul 28 to Aug 9, and Aug 25 to Sep 6

Plant outdoors: Feb 16 to Apr 8, and Jul 28 to Aug 9
Under cover: Jan 19 to May 6, and Jun 30 to Jul 12, and Jul 28 to Aug 9, and Aug 25 to Sep 6
First harvest: About 104 days after planting. Planted on February 16, ready around May 31.
Warmth: Hardy: grows once days average 43°F.

Onion across the US, town by town

GarlicOutdoors Nov 5 to Dec 11; Under cover Oct 8 to Jan 8

Plant outdoors: Nov 5 to Dec 11
Under cover: Oct 8 to Jan 8
First harvest: About 250 days after planting. Planted on November 5, ready around July 13.
Warmth: Hardy: goes in as the weather cools, and grows on through winter.

Garlic across the US, town by town

LeekOutdoors Feb 19 to Jun 6, and Jul 28 to Aug 16; Under cover Jan 22 to Jul 19, and Jul 28 to Aug 16, and Aug 25 to Sep 13

Sow outdoors: Feb 19 to Jun 6, and Jul 28 to Aug 16
Under cover: Jan 22 to Jul 19, and Jul 28 to Aug 16, and Aug 25 to Sep 13
First harvest: About 111 days after sowing. Sown on February 19, ready around June 10.
Warmth: Hardy: grows once days average 43°F.

Leek across the US, town by town

ScallionOutdoors Feb 12 to Oct 2; Under cover Jan 15 to Oct 30

Sow outdoors: Feb 12 to Oct 2
Under cover: Jan 15 to Oct 30
First harvest: About 51 days after sowing. Sown on February 12, ready around April 4.
Warmth: Hardy: grows once days average 41°F.

Scallion across the US, town by town

ShallotOutdoors Feb 6 to Apr 21, and Jul 28 to Aug 14; Under cover Jan 9 to May 19, and Jun 30 to Jul 17, and Jul 28 to Aug 14, and Aug 25 to Sep 11

Plant outdoors: Feb 6 to Apr 21, and Jul 28 to Aug 14
Under cover: Jan 9 to May 19, and Jun 30 to Jul 17, and Jul 28 to Aug 14, and Aug 25 to Sep 11
First harvest: About 91 days after planting. Planted on February 6, ready around May 8.
Warmth: Hardy: grows once days average 41°F.

Shallot across the US, town by town

Brassicas

CabbageOutdoors Feb 19 to May 28, and Jul 29 to Aug 28; Under cover Jan 22 to Sep 25

Sow outdoors: Feb 19 to May 28, and Jul 29 to Aug 28
Under cover: Jan 22 to Sep 25
First harvest: About 84 days after sowing. Sown on February 19, ready around May 14.
Warmth: Hardy: grows once days average 43°F.

Cabbage across the US, town by town

BroccoliOutdoors Feb 28 to May 28, and Jul 29 to Aug 30; Under cover Jan 31 to Sep 27

Sow outdoors: Feb 28 to May 28, and Jul 29 to Aug 30
Under cover: Jan 31 to Sep 27
First harvest: About 72 days after sowing. Sown on February 28, ready around May 11.
Warmth: Hardy: grows once days average 45°F.

Broccoli across the US, town by town

CauliflowerOutdoors Feb 19 to May 2; Under cover Jan 22 to May 30

Sow outdoors: Feb 19 to May 2
Under cover: Jan 22 to May 30
First harvest: About 91 days after sowing. Sown on February 19, ready around May 21.
Warmth: Hardy: grows once days average 43°F; bolts in hot weather.

Cauliflower across the US, town by town

Brussels sproutOutdoors Feb 19 to Apr 21; Under cover Jan 22 to May 19

Sow outdoors: Feb 19 to Apr 21
Under cover: Jan 22 to May 19
First harvest: About 127 days after sowing. Sown on February 19, ready around June 26.
Warmth: Hardy: grows once days average 43°F.

Brussels sprout across the US, town by town

KaleOutdoors Feb 28 to Jun 12, and Jul 28 to Sep 6; Under cover Jan 31 to Oct 4

Sow outdoors: Feb 28 to Jun 12, and Jul 28 to Sep 6
Under cover: Jan 31 to Oct 4
First harvest: About 64 days after sowing. Sown on February 28, ready around May 3.
Warmth: Hardy: grows once days average 45°F.

Kale across the US, town by town

Bok choyOutdoors Mar 8 to Apr 25, and Aug 27 to Oct 5; Under cover Feb 8 to May 23, and Jul 30 to Nov 2

Sow outdoors: Mar 8 to Apr 25, and Aug 27 to Oct 5
Under cover: Feb 8 to May 23, and Jul 30 to Nov 2
First harvest: About 39 days after sowing. Sown on March 8, 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 20 to Jun 19, and Jul 28 to Sep 15; Under cover Feb 20 to Oct 13

Sow outdoors: Mar 20 to Jun 19, and Jul 28 to Sep 15
Under cover: Feb 20 to Oct 13
First harvest: About 47 days after sowing. Sown on March 20, ready around May 6.
Warmth: Tender: needs days averaging 46°F or more, and no frost.

Basil across the US, town by town

ParsleyOutdoors Feb 19 to Sep 21; Under cover Jan 22 to Oct 19

Sow outdoors: Feb 19 to Sep 21
Under cover: Jan 22 to Oct 19
First harvest: About 58 days after sowing. Sown on February 19, ready around April 18.
Warmth: Hardy: grows once days average 43°F.

Parsley across the US, town by town

CilantroOutdoors Feb 28 to Apr 25, and Aug 27 to Oct 4; Under cover Jan 31 to May 23, and Jul 30 to Nov 1

Sow outdoors: Feb 28 to Apr 25, and Aug 27 to Oct 4
Under cover: Jan 31 to May 23, and Jul 30 to Nov 1
First harvest: About 41 days after sowing. Sown on February 28, 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 19 to May 7, and Jul 28 to Sep 6; Under cover Jan 22 to Jun 4, and Jun 30 to Oct 4

Sow outdoors: Feb 19 to May 7, and Jul 28 to Sep 6
Under cover: Jan 22 to Jun 4, and Jun 30 to Oct 4
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 28 to Oct 24; Under cover Jan 31 to Nov 21

Sow outdoors: Feb 28 to Oct 24
Under cover: Jan 31 to Nov 21
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 19 to Apr 21, and Jul 28 to Sep 3; Under cover Jan 22 to May 19, and Jun 30 to Oct 1

Plant outdoors: Feb 19 to Apr 21, and Jul 28 to Sep 3
Under cover: Jan 22 to May 19, and Jun 30 to Oct 1
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 Dec 26; Under cover Oct 26 to Jan 23

Plant outdoors: Nov 23 to Dec 26
Under cover: Oct 26 to Jan 23
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 13 to Dec 19; Under cover Oct 16 to Jan 16

Plant outdoors: Nov 13 to Dec 19
Under cover: Oct 16 to Jan 16
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 Clarksville

When is the last frost in Clarksville?

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

Can I grow tomatoes outdoors in Clarksville?

Yes. Plant them outdoors Apr 24 to May 19, and Jul 28 to Aug 27, or under cover Mar 27 to Jun 16, and Jun 30 to Sep 24.

What can I sow in Clarksville 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 Clarksville. 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