Connecticut, US

Planting calendar for Hartford

Last frost around April 7, first frost around November 10: about 217 frost-free days.

Last frost: April 7
First frost: November 10
Frost-free days: 217

Sow now: November

See the whole year

Outdoors

Fava bean
Garlic
Raspberry
Rhubarb

Under cover

Nothing this month.

The year at a glance

When each crop can be sown in Hartford. 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 Hartford, 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: Not this month	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 under cover	September: Not this month	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 outdoors and under cover	July: Sow under cover	August: Sow outdoors and under cover	September: Not this month	October: Not this month	November: Not this month	December: Not this month
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 under cover	September: Not this month	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 under cover	October: Not this month	November: Not this month	December: Not this month
Cucumber	January: Not this month	February: Not this month	March: Not this month	April: Sow under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow under cover	August: Sow outdoors and under cover	September: Sow under cover	October: Not this month	November: Not this month	December: Not this month
Winter squash	January: Not this month	February: Not this month	March: Not this month	April: Sow under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow under cover	August: Sow outdoors and under cover	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Sweet corn	January: Not this month	February: Not this month	March: Not this month	April: Sow under cover	May: Sow outdoors and under cover	June: Sow 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
Roots
Carrot	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 outdoors and under cover	August: Sow outdoors and under cover	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Beet	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 outdoors and under cover	August: Sow outdoors and under cover	September: Sow under cover	October: Not this month	November: Not this month	December: Not this month
Parsnip	January: Not this month	February: 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: Not this month	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Radish	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 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
Potato	January: Not this month	February: Not this month	March: Plant under cover	April: Plant outdoors and under cover	May: Plant outdoors and under cover	June: Plant under cover	July: Plant under cover	August: Plant outdoors and under cover	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Turnip	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 outdoors and under cover	August: Sow outdoors and under cover	September: Sow under cover	October: Not this month	November: Not this month	December: Not this month
Leaves
Lettuce	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
Spinach	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
Swiss chard	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 outdoors and under cover	August: Sow outdoors and under cover	September: Sow under cover	October: Not this month	November: Not this month	December: Not this month
Arugula	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
Celery	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: Not this month	August: Not this month	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Beans and peas
Runner bean	January: Not this month	February: Not this month	March: Not this month	April: Sow under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow under cover	August: Sow outdoors and under cover	September: Sow under cover	October: Not this month	November: Not this month	December: Not this month
Green bean	January: Not this month	February: Not this month	March: Not this month	April: Sow under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow outdoors and under cover	August: Sow outdoors and under cover	September: Sow under cover	October: Not this month	November: Not this month	December: Not this month
Fava bean	January: Not this month	February: Not this month	March: Not this month	April: Not this month	May: Not this month	June: Not this month	July: Not this month	August: Not this month	September: Sow under cover	October: Sow outdoors and under cover	November: Sow outdoors and under cover	December: Sow under cover
Pea	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 under cover	October: Not this month	November: Not this month	December: Not this month
Onion family
Onion	January: Not this month	February: Not this month	March: Plant under cover	April: Plant outdoors and under cover	May: Plant outdoors and under cover	June: Plant 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
Garlic	January: Not this month	February: Not this month	March: Not this month	April: Not this month	May: Not this month	June: Not this month	July: Not this month	August: Not this month	September: Plant under cover	October: Plant outdoors and under cover	November: Plant outdoors and under cover	December: Plant under cover
Leek	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 outdoors and under cover	August: Sow under cover	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Scallion	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 outdoors and under cover	August: Sow outdoors and under cover	September: Sow outdoors and under cover	October: Sow under cover	November: Not this month	December: Not this month
Shallot	January: Not this month	February: Not this month	March: Plant outdoors and under cover	April: Plant outdoors and under cover	May: Plant outdoors and under cover	June: Plant outdoors and 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
Brassicas
Cabbage	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 outdoors and under cover	August: Sow outdoors and under cover	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Broccoli	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 outdoors and under cover	August: Sow outdoors and under cover	September: Sow under cover	October: Not this month	November: Not this month	December: Not this month
Cauliflower	January: Not this month	February: 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: Not this month	August: Not this month	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Brussels sprout	January: Not this month	February: Not this month	March: Sow 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
Kale	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 outdoors and 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: 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
Herbs
Basil	January: Not this month	February: Not this month	March: Sow under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow outdoors and under cover	August: Sow outdoors and under cover	September: Sow under cover	October: Not this month	November: Not this month	December: Not this month
Parsley	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 outdoors and under cover	August: Sow outdoors and under cover	September: Sow under cover	October: Not this month	November: Not this month	December: Not this month
Cilantro	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
Chives	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 under cover	October: Not this month	November: Not this month	December: Not this month
Mint	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 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
Fruit
Strawberry	January: Not this month	February: Not this month	March: Plant under cover	April: Plant outdoors and under cover	May: Plant outdoors and under cover	June: Plant under cover	July: Plant under cover	August: Plant outdoors and under cover	September: Plant under cover	October: Not this month	November: Not this month	December: Not this month
Raspberry	January: Not this month	February: Not this month	March: Not this month	April: Not this month	May: Not this month	June: Not this month	July: Not this month	August: Not this month	September: Not this month	October: Plant under cover	November: Plant outdoors and under cover	December: Plant under cover
Rhubarb	January: Not this month	February: Not this month	March: Not this month	April: Not this month	May: Not this month	June: Not this month	July: Not this month	August: Not this month	September: Not this month	October: Plant under cover	November: Plant outdoors and under cover	December: Plant under cover

Fruit rows show when to plant, not sow.

Crop by crop

Fruiting

TomatoOutdoors May 12 to Jun 6, and Jul 29 to Aug 7; Under cover Apr 14 to Jul 10, and Jul 29 to Aug 7, and Aug 26 to Sep 4

Sow outdoors: May 12 to Jun 6, and Jul 29 to Aug 7
Under cover: Apr 14 to Jul 10, and Jul 29 to Aug 7, and Aug 26 to Sep 4
First harvest: About 66 days after sowing. Sown on May 12, ready around July 17.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Tomato across the US, town by town

Chile pepperOutdoors May 11 to Jun 6, and Jul 29 to Aug 5; Under cover Apr 13 to Jul 8, and Jul 29 to Aug 5, and Aug 26 to Sep 2

Sow outdoors: May 11 to Jun 6, and Jul 29 to Aug 5
Under cover: Apr 13 to Jul 8, and Jul 29 to Aug 5, and Aug 26 to Sep 2
First harvest: About 84 days after sowing. Sown on May 11, ready around August 3.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Chile pepper across the US, town by town

Bell pepperOutdoors May 16 to Jun 11, and Jul 29 to Aug 7; Under cover Apr 18 to Jul 10, and Jul 29 to Aug 7, and Aug 26 to Sep 4

Sow outdoors: May 16 to Jun 11, and Jul 29 to Aug 7
Under cover: Apr 18 to Jul 10, and Jul 29 to Aug 7, and Aug 26 to Sep 4
First harvest: About 78 days after sowing. Sown on May 16, ready around August 2.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Bell pepper across the US, town by town

EggplantOutdoors May 16 to Jun 6, and Jul 29 to Aug 5; Under cover Apr 18 to Jul 8, and Jul 29 to Aug 5, and Aug 26 to Sep 2

Sow outdoors: May 16 to Jun 6, and Jul 29 to Aug 5
Under cover: Apr 18 to Jul 8, and Jul 29 to Aug 5, and Aug 26 to Sep 2
First harvest: About 90 days after sowing. Sown on May 16, ready around August 14.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Eggplant across the US, town by town

ZucchiniOutdoors May 11 to Jun 21, and Jul 29 to Aug 26; Under cover Apr 13 to Sep 23

Sow outdoors: May 11 to Jun 21, and Jul 29 to Aug 26
Under cover: Apr 13 to Sep 23
First harvest: About 45 days after sowing. Sown on May 11, ready around June 25.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Zucchini across the US, town by town

CucumberOutdoors May 11 to Jun 21, and Jul 29 to Aug 21; Under cover Apr 13 to Sep 18

Sow outdoors: May 11 to Jun 21, and Jul 29 to Aug 21
Under cover: Apr 13 to Sep 18
First harvest: About 50 days after sowing. Sown on May 11, ready around June 30.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Cucumber across the US, town by town

Winter squashOutdoors May 11 to Jun 11, and Jul 29 to Aug 8; Under cover Apr 13 to Jul 11, and Jul 29 to Aug 8, and Aug 26 to Sep 5

Sow outdoors: May 11 to Jun 11, and Jul 29 to Aug 8
Under cover: Apr 13 to Jul 11, and Jul 29 to Aug 8, and Aug 26 to Sep 5
First harvest: About 66 days after sowing. Sown on May 11, ready around July 16.
Warmth: Tender: needs days averaging 54°F or more, and no frost.

Winter squash across the US, town by town

Sweet cornOutdoors May 6 to Jun 11, and Jul 29 to Aug 10; Under cover Apr 8 to Jul 13, and Jul 29 to Aug 10, and Aug 26 to Sep 7

Sow outdoors: May 6 to Jun 11, and Jul 29 to Aug 10
Under cover: Apr 8 to Jul 13, and Jul 29 to Aug 10, and Aug 26 to Sep 7
First harvest: About 65 days after sowing. Sown on May 6, ready around July 10.
Warmth: Tender: needs days averaging 52°F or more, and no frost.

Sweet corn across the US, town by town

Roots

CarrotOutdoors Apr 7 to Aug 9; Under cover Mar 10 to Sep 6

Sow outdoors: Apr 7 to Aug 9
Under cover: Mar 10 to Sep 6
First harvest: About 73 days after sowing. Sown on April 7, ready around June 19.
Warmth: Hardy: grows once days average 45°F.

Carrot across the US, town by town

BeetOutdoors Apr 7 to Aug 23; Under cover Mar 10 to Sep 20

Sow outdoors: Apr 7 to Aug 23
Under cover: Mar 10 to Sep 20
First harvest: About 52 days after sowing. Sown on April 7, ready around May 29.
Warmth: Hardy: grows once days average 45°F.

Beet across the US, town by town

ParsnipOutdoors Apr 1 to Jun 17; Under cover Mar 4 to Jul 15

Sow outdoors: Apr 1 to Jun 17
Under cover: Mar 4 to Jul 15
First harvest: About 89 days after sowing. Sown on April 1, ready around June 29.
Warmth: Hardy: grows once days average 43°F.

Parsnip across the US, town by town

RadishOutdoors Apr 1 to Jun 7, and Jul 24 to Oct 1; Under cover Mar 4 to Oct 29

Sow outdoors: Apr 1 to Jun 7, and Jul 24 to Oct 1
Under cover: Mar 4 to Oct 29
First harvest: About 20 days after sowing. Sown on April 1, ready around April 21.
Warmth: Hardy: grows once days average 43°F; bolts in hot weather.

Radish across the US, town by town

PotatoOutdoors Apr 1 to May 27, and Jul 29 to Aug 9; Under cover Mar 4 to Jul 12, and Jul 29 to Aug 9, and Aug 26 to Sep 6

Plant outdoors: Apr 1 to May 27, and Jul 29 to Aug 9
Under cover: Mar 4 to Jul 12, and Jul 29 to Aug 9, and Aug 26 to Sep 6
First harvest: About 68 days after planting. Planted on April 1, ready around June 8.
Warmth: Hardy: grows once days average 43°F.

Potato across the US, town by town

TurnipOutdoors Apr 1 to Sep 4; Under cover Mar 4 to Oct 2

Sow outdoors: Apr 1 to Sep 4
Under cover: Mar 4 to Oct 2
First harvest: About 40 days after sowing. Sown on April 1, ready around May 11.
Warmth: Hardy: grows once days average 43°F.

Turnip across the US, town by town

Leaves

LettuceOutdoors Apr 3 to May 28, and Aug 3 to Aug 31; Under cover Mar 6 to Jun 25, and Jul 6 to Sep 28

Sow outdoors: Apr 3 to May 28, and Aug 3 to Aug 31
Under cover: Mar 6 to Jun 25, and Jul 6 to Sep 28
First harvest: About 49 days after sowing. Sown on April 3, ready around May 22.
Warmth: Hardy: grows once days average 43°F; bolts in hot weather.

Lettuce across the US, town by town

SpinachOutdoors Apr 1 to May 28, and Aug 3 to Sep 26; Under cover Mar 4 to Jun 25, and Jul 6 to Oct 24

Sow outdoors: Apr 1 to May 28, and Aug 3 to Sep 26
Under cover: Mar 4 to Jun 25, and Jul 6 to Oct 24
First harvest: About 30 days after sowing. Sown on April 1, ready around May 1.
Warmth: Hardy: grows once days average 43°F; bolts in hot weather.

Spinach across the US, town by town

Swiss chardOutdoors Apr 7 to Sep 4; Under cover Mar 10 to Oct 2

Sow outdoors: Apr 7 to Sep 4
Under cover: Mar 10 to Oct 2
First harvest: About 45 days after sowing. Sown on April 7, ready around May 22.
Warmth: Hardy: grows once days average 45°F.

Swiss chard across the US, town by town

ArugulaOutdoors Apr 1 to May 28, and Aug 3 to Sep 27; Under cover Mar 4 to Jun 25, and Jul 6 to Oct 25

Sow outdoors: Apr 1 to May 28, and Aug 3 to Sep 27
Under cover: Mar 4 to Jun 25, and Jul 6 to Oct 25
First harvest: About 27 days after sowing. Sown on April 1, ready around April 28.
Warmth: Hardy: grows once days average 43°F; bolts in hot weather.

Arugula across the US, town by town

CeleryOutdoors Mar 28 to May 27; Under cover Feb 28 to Jun 24

Sow outdoors: Mar 28 to May 27
Under cover: Feb 28 to Jun 24
First harvest: About 85 days after sowing. Sown on March 28, ready around June 21.
Warmth: Hardy: grows once days average 41°F.

Celery across the US, town by town

Beans and peas

Runner beanOutdoors May 6 to Jun 21, and Jul 29 to Aug 14; Under cover Apr 8 to Jul 19, and Jul 29 to Aug 14, and Aug 26 to Sep 11

Sow outdoors: May 6 to Jun 21, and Jul 29 to Aug 14
Under cover: Apr 8 to Jul 19, and Jul 29 to Aug 14, and Aug 26 to Sep 11
First harvest: About 61 days after sowing. Sown on May 6, ready around July 6.
Warmth: Tender: needs days averaging 52°F or more, and no frost.

Runner bean across the US, town by town

Green beanOutdoors May 6 to Jul 6, and Jul 29 to Aug 24; Under cover Apr 8 to Sep 21

Sow outdoors: May 6 to Jul 6, and Jul 29 to Aug 24
Under cover: Apr 8 to Sep 21
First harvest: About 51 days after sowing. Sown on May 6, ready around June 26.
Warmth: Tender: needs days averaging 52°F or more, and no frost.

Green bean across the US, town by town

Fava beanOutdoors Oct 20 to Nov 15; Under cover Sep 22 to Dec 13

Sow outdoors: Oct 20 to Nov 15
Under cover: Sep 22 to Dec 13
First harvest: About 220 days after sowing. Sown on October 20, ready around May 28.
Warmth: Hardy: goes in as the weather cools, and grows on through winter.

Fava bean across the US, town by town

PeaOutdoors Apr 1 to Jun 7, and Jul 29 to Aug 15; Under cover Mar 4 to Jul 18, and Jul 29 to Aug 15, and Aug 26 to Sep 12

Sow outdoors: Apr 1 to Jun 7, and Jul 29 to Aug 15
Under cover: Mar 4 to Jul 18, and Jul 29 to Aug 15, and Aug 26 to Sep 12
First harvest: About 54 days after sowing. Sown on April 1, ready around May 25.
Warmth: Hardy: grows once days average 43°F; bolts in hot weather.

Pea across the US, town by town

Onion family

OnionOutdoors Mar 31 to May 21; Under cover Mar 3 to Jun 18

Plant outdoors: Mar 31 to May 21
Under cover: Mar 3 to Jun 18
First harvest: About 95 days after planting. Planted on March 31, ready around July 4.
Warmth: Hardy: grows once days average 43°F.

Onion across the US, town by town

GarlicOutdoors Oct 20 to Nov 19; Under cover Sep 22 to Dec 17

Plant outdoors: Oct 20 to Nov 19
Under cover: Sep 22 to Dec 17
First harvest: About 250 days after planting. Planted on October 20, ready around June 27.
Warmth: Hardy: goes in as the weather cools, and grows on through winter.

Garlic across the US, town by town

LeekOutdoors Apr 1 to Jul 17; Under cover Mar 4 to Aug 14

Sow outdoors: Apr 1 to Jul 17
Under cover: Mar 4 to Aug 14
First harvest: About 103 days after sowing. Sown on April 1, ready around July 13.
Warmth: Hardy: grows once days average 43°F.

Leek across the US, town by town

ScallionOutdoors Mar 28 to Sep 14; Under cover Feb 28 to Oct 12

Sow outdoors: Mar 28 to Sep 14
Under cover: Feb 28 to Oct 12
First harvest: About 43 days after sowing. Sown on March 28, ready around May 10.
Warmth: Hardy: grows once days average 41°F.

Scallion across the US, town by town

ShallotOutdoors Mar 25 to Jun 7; Under cover Feb 25 to Jul 5

Plant outdoors: Mar 25 to Jun 7
Under cover: Feb 25 to Jul 5
First harvest: About 78 days after planting. Planted on March 25, ready around June 11.
Warmth: Hardy: grows once days average 41°F.

Shallot across the US, town by town

Brassicas

CabbageOutdoors Apr 1 to Aug 8; Under cover Mar 4 to Sep 5

Sow outdoors: Apr 1 to Aug 8
Under cover: Mar 4 to Sep 5
First harvest: About 75 days after sowing. Sown on April 1, ready around June 15.
Warmth: Hardy: grows once days average 43°F.

Cabbage across the US, town by town

BroccoliOutdoors Apr 7 to Jul 6, and Jul 29 to Aug 10; Under cover Mar 10 to Aug 10, and Aug 26 to Sep 7

Sow outdoors: Apr 7 to Jul 6, and Jul 29 to Aug 10
Under cover: Mar 10 to Aug 10, and Aug 26 to Sep 7
First harvest: About 66 days after sowing. Sown on April 7, ready around June 12.
Warmth: Hardy: grows once days average 45°F.

Broccoli across the US, town by town

CauliflowerOutdoors Apr 1 to Jun 7; Under cover Mar 4 to Jul 5

Sow outdoors: Apr 1 to Jun 7
Under cover: Mar 4 to Jul 5
First harvest: About 82 days after sowing. Sown on April 1, ready around June 22.
Warmth: Hardy: grows once days average 43°F; bolts in hot weather.

Cauliflower across the US, town by town

Brussels sproutOutdoors Apr 1 to Jun 1; Under cover Mar 4 to Jun 29

Sow outdoors: Apr 1 to Jun 1
Under cover: Mar 4 to Jun 29
First harvest: About 120 days after sowing. Sown on April 1, ready around July 30.
Warmth: Hardy: grows once days average 43°F.

Brussels sprout across the US, town by town

KaleOutdoors Apr 7 to Aug 18; Under cover Mar 10 to Sep 15

Sow outdoors: Apr 7 to Aug 18
Under cover: Mar 10 to Sep 15
First harvest: About 59 days after sowing. Sown on April 7, ready around June 5.
Warmth: Hardy: grows once days average 45°F.

Kale across the US, town by town

Bok choyOutdoors Apr 13 to May 28, and Aug 3 to Sep 17; Under cover Mar 16 to Jun 25, and Jul 6 to Oct 15

Sow outdoors: Apr 13 to May 28, and Aug 3 to Sep 17
Under cover: Mar 16 to Jun 25, and Jul 6 to Oct 15
First harvest: About 37 days after sowing. Sown on April 13, ready around May 20.
Warmth: Hardy: grows once days average 46°F; bolts in hot weather.

Bok choy across the US, town by town

Herbs

BasilOutdoors Apr 13 to Jul 13, and Jul 29 to Aug 27; Under cover Mar 16 to Sep 24

Sow outdoors: Apr 13 to Jul 13, and Jul 29 to Aug 27
Under cover: Mar 16 to Sep 24
First harvest: About 39 days after sowing. Sown on April 13, ready around May 22.
Warmth: Tender: needs days averaging 46°F or more, and no frost.

Basil across the US, town by town

ParsleyOutdoors Apr 1 to Sep 2; Under cover Mar 4 to Sep 30

Sow outdoors: Apr 1 to Sep 2
Under cover: Mar 4 to Sep 30
First harvest: About 51 days after sowing. Sown on April 1, ready around May 22.
Warmth: Hardy: grows once days average 43°F.

Parsley across the US, town by town

CilantroOutdoors Apr 7 to May 28, and Aug 3 to Sep 16; Under cover Mar 10 to Jun 25, and Jul 6 to Oct 14

Sow outdoors: Apr 7 to May 28, and Aug 3 to Sep 16
Under cover: Mar 10 to Jun 25, and Jul 6 to Oct 14
First harvest: About 38 days after sowing. Sown on April 7, ready around May 15.
Warmth: Hardy: grows once days average 45°F; bolts in hot weather.

Cilantro across the US, town by town

ChivesOutdoors Apr 1 to Jun 17, and Jul 29 to Aug 17; Under cover Mar 4 to Jul 20, and Jul 29 to Aug 17, and Aug 26 to Sep 14

Sow outdoors: Apr 1 to Jun 17, and Jul 29 to Aug 17
Under cover: Mar 4 to Jul 20, and Jul 29 to Aug 17, and Aug 26 to Sep 14
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 Apr 7 to Oct 6; Under cover Mar 10 to Nov 3

Sow outdoors: Apr 7 to Oct 6
Under cover: Mar 10 to Nov 3
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 Apr 1 to Jun 1, and Jul 29 to Aug 15; Under cover Mar 4 to Jul 18, and Jul 29 to Aug 15, and Aug 26 to Sep 12

Plant outdoors: Apr 1 to Jun 1, and Jul 29 to Aug 15
Under cover: Mar 4 to Jul 18, and Jul 29 to Aug 15, and Aug 26 to Sep 12
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 6 to Nov 27; Under cover Oct 9 to Dec 25

Plant outdoors: Nov 6 to Nov 27
Under cover: Oct 9 to Dec 25
First harvest: Crops every year once it’s established.
Warmth: Hardy: goes in as the weather cools, and grows on through winter.

Raspberry across the US, town by town

RhubarbOutdoors Oct 28 to Nov 24; Under cover Sep 30 to Dec 22

Plant outdoors: Oct 28 to Nov 24
Under cover: Sep 30 to Dec 22
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 Hartford

When is the last frost in Hartford?

On average around April 7, and the first autumn frost comes around November 10. 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 Hartford?

Yes. Plant them outdoors May 12 to Jun 6, and Jul 29 to Aug 7, or under cover Apr 14 to Jul 10, and Jul 29 to Aug 7, and Aug 26 to Sep 4.

What can I sow in Hartford in November?

Outdoors: fava bean, garlic, raspberry, rhubarb.

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 Hartford. 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