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Ontario, Canada

Planting calendar for Stittsville

Last frost around April 28, first frost around October 28: about 183 frost-free days.

Last frost
April 28
on average
First frost
October 28
on average
Frost-free days
183
in a typical year

Sow now: November

See the whole year

Outdoors

Under cover

The year at a glance

When each crop can be sown in Stittsville. 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 Stittsville, month by month. Each month says whether you can sow outdoors, under cover, or both.
CropJJanFFebMMarAAprMMayJJunJJulAAugSSepOOctNNovDDec
Fruiting
TomatoJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Not this monthMay: Sow under coverJune: Sow outdoors and under coverJuly: Sow under coverAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
Chile pepperJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Not this monthMay: Sow under coverJune: Sow outdoors and under coverJuly: Sow under coverAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
Bell pepperJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Not this monthMay: Sow under coverJune: Sow outdoors and under coverJuly: Sow under coverAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
EggplantJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Not this monthMay: Sow under coverJune: Sow outdoors and under coverJuly: Sow under coverAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
ZucchiniJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Not this monthMay: Sow under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
CucumberJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Not this monthMay: Sow under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow under coverSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
Winter squashJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Not this monthMay: Sow under coverJune: Sow outdoors and under coverJuly: Sow under coverAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
Sweet cornJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Not this monthMay: Sow under coverJune: Sow outdoors and under coverJuly: Sow under coverAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
Roots
CarrotJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow under coverSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
BeetJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
ParsnipJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow under coverAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
RadishJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow under coverNovember: Not this monthDecember: Not this month
PotatoJanuary: Not this monthFebruary: Not this monthMarch: Plant under coverApril: Plant outdoors and under coverMay: Plant outdoors and under coverJune: Plant outdoors and under coverJuly: Plant under coverAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
TurnipJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow under coverOctober: Not this monthNovember: Not this monthDecember: Not this month
Leaves
LettuceJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow under coverOctober: Not this monthNovember: Not this monthDecember: Not this month
SpinachJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow under coverNovember: Not this monthDecember: Not this month
Swiss chardJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow under coverOctober: Not this monthNovember: Not this monthDecember: Not this month
ArugulaJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow under coverNovember: Not this monthDecember: Not this month
CeleryJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow under coverAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
Beans and peas
Runner beanJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Not this monthMay: Sow under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow under coverSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
Green beanJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Not this monthMay: Sow under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow under coverSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
Fava beanJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow under coverJune: Not this monthJuly: Not this monthAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
PeaJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow under coverSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
Onion family
OnionJanuary: Not this monthFebruary: Not this monthMarch: Plant under coverApril: Plant outdoors and under coverMay: Plant outdoors and under coverJune: Plant outdoors and under coverJuly: Not this monthAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
GarlicJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Not this monthMay: Not this monthJune: Not this monthJuly: Not this monthAugust: Not this monthSeptember: Plant under coverOctober: Plant outdoors and under coverNovember: Plant under coverDecember: Not this month
LeekJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow under coverSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
ScallionJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow under coverOctober: Not this monthNovember: Not this monthDecember: Not this month
ShallotJanuary: Not this monthFebruary: Not this monthMarch: Plant under coverApril: Plant outdoors and under coverMay: Plant outdoors and under coverJune: Plant outdoors and under coverJuly: Plant under coverAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
Brassicas
CabbageJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow under coverOctober: Not this monthNovember: Not this monthDecember: Not this month
BroccoliJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow under coverSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
CauliflowerJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow under coverSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
Brussels sproutJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow under coverAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
KaleJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
Bok choyJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Sow under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow under coverOctober: Not this monthNovember: Not this monthDecember: Not this month
Herbs
BasilJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Sow under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow under coverOctober: Not this monthNovember: Not this monthDecember: Not this month
ParsleyJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow under coverOctober: Not this monthNovember: Not this monthDecember: Not this month
CilantroJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow under coverOctober: Not this monthNovember: Not this monthDecember: Not this month
ChivesJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow under coverAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
MintJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow under coverNovember: Not this monthDecember: Not this month
Fruit
StrawberryJanuary: Not this monthFebruary: Not this monthMarch: Plant under coverApril: Plant outdoors and under coverMay: Plant outdoors and under coverJune: Plant outdoors and under coverJuly: Plant under coverAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
RaspberryJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Not this monthMay: Not this monthJune: Not this monthJuly: Not this monthAugust: Not this monthSeptember: Plant under coverOctober: Plant outdoors and under coverNovember: Plant outdoors and under coverDecember: Not this month
RhubarbJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Not this monthMay: Not this monthJune: Not this monthJuly: Not this monthAugust: Not this monthSeptember: Plant under coverOctober: Plant outdoors and under coverNovember: Plant under coverDecember: Not this month

Fruit rows show when to plant, not sow.

Crop by crop

Fruiting

TomatoOutdoors Jun 2 to Jun 27; Under cover May 5 to Jul 25
Tomato growing on a plot
Sow outdoors
Jun 2 to Jun 27
Under cover
May 5 to Jul 25
First harvest
About 66 days after sowing. Sown on June 2, ready around August 7.
Warmth
Tender: needs days averaging 12°C or more, and no frost.
Tomato across Canada, town by town
Chile pepperOutdoors Jun 1 to Jun 27; Under cover May 4 to Jul 25
Chile pepper growing on a plot
Sow outdoors
Jun 1 to Jun 27
Under cover
May 4 to Jul 25
First harvest
About 84 days after sowing. Sown on June 1, ready around August 24.
Warmth
Tender: needs days averaging 12°C or more, and no frost.
Chile pepper across Canada, town by town
Bell pepperOutdoors Jun 6 to Jul 2; Under cover May 9 to Jul 30
Bell pepper growing on a plot
Sow outdoors
Jun 6 to Jul 2
Under cover
May 9 to Jul 30
First harvest
About 78 days after sowing. Sown on June 6, ready around August 23.
Warmth
Tender: needs days averaging 12°C or more, and no frost.
Bell pepper across Canada, town by town
EggplantOutdoors Jun 6 to Jun 27; Under cover May 9 to Jul 25
Eggplant growing on a plot
Sow outdoors
Jun 6 to Jun 27
Under cover
May 9 to Jul 25
First harvest
About 90 days after sowing. Sown on June 6, ready around September 4.
Warmth
Tender: needs days averaging 12°C or more, and no frost.
Eggplant across Canada, town by town
ZucchiniOutdoors Jun 1 to Aug 8; Under cover May 4 to Sep 5
Zucchini growing on a plot
Sow outdoors
Jun 1 to Aug 8
Under cover
May 4 to Sep 5
First harvest
About 43 days after sowing. Sown on June 1, ready around July 14.
Warmth
Tender: needs days averaging 12°C or more, and no frost.
Zucchini across Canada, town by town
CucumberOutdoors Jun 1 to Aug 3; Under cover May 4 to Aug 31
Cucumber growing on a plot
Sow outdoors
Jun 1 to Aug 3
Under cover
May 4 to Aug 31
First harvest
About 47 days after sowing. Sown on June 1, ready around July 18.
Warmth
Tender: needs days averaging 12°C or more, and no frost.
Cucumber across Canada, town by town
Winter squashOutdoors Jun 1 to Jul 2; Under cover May 4 to Jul 30
Winter squash growing on a plot
Sow outdoors
Jun 1 to Jul 2
Under cover
May 4 to Jul 30
First harvest
About 66 days after sowing. Sown on June 1, ready around August 6.
Warmth
Tender: needs days averaging 12°C or more, and no frost.
Winter squash across Canada, town by town
Sweet cornOutdoors May 27 to Jul 2; Under cover Apr 29 to Jul 30
Sweet corn growing on a plot
Sow outdoors
May 27 to Jul 2
Under cover
Apr 29 to Jul 30
First harvest
About 61 days after sowing. Sown on May 27, ready around July 27.
Warmth
Tender: needs days averaging 11°C or more, and no frost.
Sweet corn across Canada, town by town

Roots

CarrotOutdoors Apr 24 to Aug 2; Under cover Mar 27 to Aug 30
Carrot growing on a plot
Sow outdoors
Apr 24 to Aug 2
Under cover
Mar 27 to Aug 30
First harvest
About 71 days after sowing. Sown on April 24, ready around July 4.
Warmth
Hardy: grows once days average 7°C.
Carrot across Canada, town by town
BeetOutdoors Apr 24 to Aug 7; Under cover Mar 27 to Sep 4
Beet growing on a plot
Sow outdoors
Apr 24 to Aug 7
Under cover
Mar 27 to Sep 4
First harvest
About 50 days after sowing. Sown on April 24, ready around June 13.
Warmth
Hardy: grows once days average 7°C.
Beet across Canada, town by town
ParsnipOutdoors Apr 19 to Jul 5; Under cover Mar 22 to Aug 2
Parsnip growing on a plot
Sow outdoors
Apr 19 to Jul 5
Under cover
Mar 22 to Aug 2
First harvest
About 86 days after sowing. Sown on April 19, ready around July 14.
Warmth
Hardy: grows once days average 6°C.
Parsnip across Canada, town by town
RadishOutdoors Apr 19 to Sep 16; Under cover Mar 22 to Oct 14
Radish growing on a plot
Sow outdoors
Apr 19 to Sep 16
Under cover
Mar 22 to Oct 14
First harvest
About 18 days after sowing. Sown on April 19, ready around May 7.
Warmth
Hardy: grows once days average 6°C; bolts in hot weather.
Radish across Canada, town by town
PotatoOutdoors Apr 19 to Jun 14; Under cover Mar 22 to Jul 12
Potato growing on a plot
Plant outdoors
Apr 19 to Jun 14
Under cover
Mar 22 to Jul 12
First harvest
About 64 days after planting. Planted on April 19, ready around June 22.
Warmth
Hardy: grows once days average 6°C.
Potato across Canada, town by town
TurnipOutdoors Apr 19 to Aug 19; Under cover Mar 22 to Sep 16
Turnip growing on a plot
Sow outdoors
Apr 19 to Aug 19
Under cover
Mar 22 to Sep 16
First harvest
About 37 days after sowing. Sown on April 19, ready around May 26.
Warmth
Hardy: grows once days average 6°C.
Turnip across Canada, town by town

Leaves

LettuceOutdoors Apr 20 to Aug 14; Under cover Mar 23 to Sep 11
Lettuce growing on a plot
Sow outdoors
Apr 20 to Aug 14
Under cover
Mar 23 to Sep 11
First harvest
About 45 days after sowing. Sown on April 20, ready around June 4.
Warmth
Hardy: grows once days average 6°C; bolts in hot weather.
Lettuce across Canada, town by town
SpinachOutdoors Apr 19 to Sep 10; Under cover Mar 22 to Oct 8
Spinach growing on a plot
Sow outdoors
Apr 19 to Sep 10
Under cover
Mar 22 to Oct 8
First harvest
About 28 days after sowing. Sown on April 19, ready around May 17.
Warmth
Hardy: grows once days average 6°C; bolts in hot weather.
Spinach across Canada, town by town
Swiss chardOutdoors Apr 24 to Aug 19; Under cover Mar 27 to Sep 16
Swiss chard growing on a plot
Sow outdoors
Apr 24 to Aug 19
Under cover
Mar 27 to Sep 16
First harvest
About 43 days after sowing. Sown on April 24, ready around June 6.
Warmth
Hardy: grows once days average 7°C.
Swiss chard across Canada, town by town
ArugulaOutdoors Apr 19 to Sep 12; Under cover Mar 22 to Oct 10
Arugula growing on a plot
Sow outdoors
Apr 19 to Sep 12
Under cover
Mar 22 to Oct 10
First harvest
About 25 days after sowing. Sown on April 19, ready around May 14.
Warmth
Hardy: grows once days average 6°C; bolts in hot weather.
Arugula across Canada, town by town
CeleryOutdoors Apr 16 to Jun 15; Under cover Mar 19 to Jul 13
Celery growing on a plot
Sow outdoors
Apr 16 to Jun 15
Under cover
Mar 19 to Jul 13
First harvest
About 79 days after sowing. Sown on April 16, ready around July 4.
Warmth
Hardy: grows once days average 5°C.
Celery across Canada, town by town

Beans and peas

Runner beanOutdoors May 27 to Jul 26; Under cover Apr 29 to Aug 23
Runner bean growing on a plot
Sow outdoors
May 27 to Jul 26
Under cover
Apr 29 to Aug 23
First harvest
About 59 days after sowing. Sown on May 27, ready around July 25.
Warmth
Tender: needs days averaging 11°C or more, and no frost.
Runner bean across Canada, town by town
Green beanOutdoors May 27 to Aug 6; Under cover Apr 29 to Sep 3
Green bean growing on a plot
Sow outdoors
May 27 to Aug 6
Under cover
Apr 29 to Sep 3
First harvest
About 50 days after sowing. Sown on May 27, ready around July 16.
Warmth
Tender: needs days averaging 11°C or more, and no frost.
Green bean across Canada, town by town
Fava beanOutdoors Apr 14 to Apr 27; Under cover Mar 17 to Mar 30, and Apr 14 to Apr 27, and May 12 to May 25
Fava bean growing on a plot
Sow outdoors
Apr 14 to Apr 27
Under cover
Mar 17 to Mar 30, and Apr 14 to Apr 27, and May 12 to May 25
First harvest
About 220 days after sowing. Sown on April 14, ready around November 20.
Warmth
Hardy: goes in as the weather cools, and grows on through winter.
Fava bean across Canada, town by town
PeaOutdoors Apr 19 to Jul 28; Under cover Mar 22 to Aug 25
Pea growing on a plot
Sow outdoors
Apr 19 to Jul 28
Under cover
Mar 22 to Aug 25
First harvest
About 50 days after sowing. Sown on April 19, ready around June 8.
Warmth
Hardy: grows once days average 6°C; bolts in hot weather.
Pea across Canada, town by town

Onion family

OnionOutdoors Apr 18 to Jun 8; Under cover Mar 21 to Jul 6
Onion growing on a plot
Plant outdoors
Apr 18 to Jun 8
Under cover
Mar 21 to Jul 6
First harvest
About 91 days after planting. Planted on April 18, ready around July 18.
Warmth
Hardy: grows once days average 6°C.
Onion across Canada, town by town
GarlicOutdoors Oct 5 to Nov 1; Under cover Sep 7 to Nov 29
Garlic growing on a plot
Plant outdoors
Oct 5 to Nov 1
Under cover
Sep 7 to Nov 29
First harvest
About 250 days after planting. Planted on October 5, ready around June 12.
Warmth
Hardy: goes in as the weather cools, and grows on through winter.
Garlic across Canada, town by town
LeekOutdoors Apr 19 to Aug 4; Under cover Mar 22 to Sep 1
Leek growing on a plot
Sow outdoors
Apr 19 to Aug 4
Under cover
Mar 22 to Sep 1
First harvest
About 100 days after sowing. Sown on April 19, ready around July 28.
Warmth
Hardy: grows once days average 6°C.
Leek across Canada, town by town
ScallionOutdoors Apr 16 to Aug 29; Under cover Mar 19 to Sep 26
Scallion growing on a plot
Sow outdoors
Apr 16 to Aug 29
Under cover
Mar 19 to Sep 26
First harvest
About 42 days after sowing. Sown on April 16, ready around May 28.
Warmth
Hardy: grows once days average 5°C.
Scallion across Canada, town by town
ShallotOutdoors Apr 14 to Jun 27; Under cover Mar 17 to Jul 25
Shallot growing on a plot
Plant outdoors
Apr 14 to Jun 27
Under cover
Mar 17 to Jul 25
First harvest
About 78 days after planting. Planted on April 14, ready around July 1.
Warmth
Hardy: grows once days average 5°C.
Shallot across Canada, town by town

Brassicas

CabbageOutdoors Apr 19 to Aug 17; Under cover Mar 22 to Sep 14
Cabbage growing on a plot
Sow outdoors
Apr 19 to Aug 17
Under cover
Mar 22 to Sep 14
First harvest
About 71 days after sowing. Sown on April 19, ready around June 29.
Warmth
Hardy: grows once days average 6°C.
Cabbage across Canada, town by town
BroccoliOutdoors Apr 24 to Jul 23; Under cover Mar 27 to Aug 20
Broccoli growing on a plot
Sow outdoors
Apr 24 to Jul 23
Under cover
Mar 27 to Aug 20
First harvest
About 64 days after sowing. Sown on April 24, ready around June 27.
Warmth
Hardy: grows once days average 7°C.
Broccoli across Canada, town by town
CauliflowerOutdoors Apr 19 to Jul 20; Under cover Mar 22 to Aug 17
Cauliflower growing on a plot
Sow outdoors
Apr 19 to Jul 20
Under cover
Mar 22 to Aug 17
First harvest
About 78 days after sowing. Sown on April 19, ready around July 6.
Warmth
Hardy: grows once days average 6°C; bolts in hot weather.
Cauliflower across Canada, town by town
Brussels sproutOutdoors Apr 19 to Jun 19; Under cover Mar 22 to Jul 17
Brussels sprout growing on a plot
Sow outdoors
Apr 19 to Jun 19
Under cover
Mar 22 to Jul 17
First harvest
About 121 days after sowing. Sown on April 19, ready around August 18.
Warmth
Hardy: grows once days average 6°C.
Brussels sprout across Canada, town by town
KaleOutdoors Apr 24 to Aug 7; Under cover Mar 27 to Sep 4
Kale growing on a plot
Sow outdoors
Apr 24 to Aug 7
Under cover
Mar 27 to Sep 4
First harvest
About 57 days after sowing. Sown on April 24, ready around June 20.
Warmth
Hardy: grows once days average 7°C.
Kale across Canada, town by town
Bok choyOutdoors Apr 28 to Sep 1; Under cover Mar 31 to Sep 29
Bok choy growing on a plot
Sow outdoors
Apr 28 to Sep 1
Under cover
Mar 31 to Sep 29
First harvest
About 34 days after sowing. Sown on April 28, ready around June 1.
Warmth
Hardy: grows once days average 8°C; bolts in hot weather.
Bok choy across Canada, town by town

Herbs

BasilOutdoors Apr 28 to Aug 10; Under cover Mar 31 to Sep 7
Basil growing on a plot
Sow outdoors
Apr 28 to Aug 10
Under cover
Mar 31 to Sep 7
First harvest
About 36 days after sowing. Sown on April 28, ready around June 3.
Warmth
Tender: needs days averaging 8°C or more, and no frost.
Basil across Canada, town by town
ParsleyOutdoors Apr 19 to Aug 17; Under cover Mar 22 to Sep 14
Parsley growing on a plot
Sow outdoors
Apr 19 to Aug 17
Under cover
Mar 22 to Sep 14
First harvest
About 47 days after sowing. Sown on April 19, ready around June 5.
Warmth
Hardy: grows once days average 6°C.
Parsley across Canada, town by town
CilantroOutdoors Apr 24 to Aug 31; Under cover Mar 27 to Sep 28
Cilantro growing on a plot
Sow outdoors
Apr 24 to Aug 31
Under cover
Mar 27 to Sep 28
First harvest
About 36 days after sowing. Sown on April 24, ready around May 30.
Warmth
Hardy: grows once days average 7°C; bolts in hot weather.
Cilantro across Canada, town by town
ChivesOutdoors Apr 19 to Jul 5; Under cover Mar 22 to Aug 2
Chives growing on a plot
Sow outdoors
Apr 19 to Jul 5
Under cover
Mar 22 to Aug 2
First harvest
Crops every year once it’s established.
Warmth
Hardy: grows once days average 6°C.
Chives across Canada, town by town
MintOutdoors Apr 24 to Sep 20; Under cover Mar 27 to Oct 18
Mint growing on a plot
Sow outdoors
Apr 24 to Sep 20
Under cover
Mar 27 to Oct 18
First harvest
Crops every year once it’s established.
Warmth
Hardy: grows once days average 7°C.
Mint across Canada, town by town

Fruit

StrawberryOutdoors Apr 19 to Jun 19; Under cover Mar 22 to Jul 17
Strawberry growing on a plot
Plant outdoors
Apr 19 to Jun 19
Under cover
Mar 22 to Jul 17
First harvest
Crops every year once it’s established.
Warmth
Hardy: grows once days average 6°C.
Strawberry across Canada, town by town
RaspberryOutdoors Oct 21 to Nov 7; Under cover Sep 23 to Oct 10, and Oct 21 to Nov 7, and Nov 18 to Dec 5
Raspberry growing on a plot
Plant outdoors
Oct 21 to Nov 7
Under cover
Sep 23 to Oct 10, and Oct 21 to Nov 7, and Nov 18 to Dec 5
First harvest
Crops every year once it’s established.
Warmth
Hardy: goes in as the weather cools, and grows on through winter.
Raspberry across Canada, town by town
RhubarbOutdoors Oct 13 to Nov 5; Under cover Sep 15 to Dec 3
Rhubarb growing on a plot
Plant outdoors
Oct 13 to Nov 5
Under cover
Sep 15 to Dec 3
First harvest
Crops every year once it’s established.
Warmth
Hardy: goes in as the weather cools, and grows on through winter.
Rhubarb across Canada, town by town

Questions about growing in Stittsville

When is the last frost in Stittsville?

On average around April 28, and the first autumn frost comes around October 28. 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 Stittsville?

Yes. Plant them outdoors Jun 2 to Jun 27, or under cover May 5 to Jul 25.

What can I sow in Stittsville in November?

Outdoors: raspberry. Under cover: garlic, 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 Stittsville. 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