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 yearThe 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.
| Crop | JJan | FFeb | MMar | AApr | MMay | JJun | JJul | AAug | SSep | OOct | NNov | DDec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fruiting | ||||||||||||
| January: Not this month | February: Not this month | March: Not this month | April: Not this month | May: Sow 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 | |
| January: Not this month | February: Not this month | March: Not this month | April: Not this month | May: Sow 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 | |
| January: Not this month | February: Not this month | March: Not this month | April: Not this month | May: Sow 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 | |
| January: Not this month | February: Not this month | March: Not this month | April: Not this month | May: Sow 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 | |
| January: Not this month | February: Not this month | March: Not this month | April: Not this month | May: Sow 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 | |
| January: Not this month | February: Not this month | March: Not this month | April: Not this month | May: Sow 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 | |
| January: Not this month | February: Not this month | March: Not this month | April: Not this month | May: Sow 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 | |
| January: Not this month | February: Not this month | March: Not this month | April: Not this month | May: Sow 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 | |
| Roots | ||||||||||||
| January: Not this month | February: Not this month | March: Not this month | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow outdoors and under cover | August: Sow under cover | September: Not this month | October: Not this month | November: Not this month | December: Not this month | |
| January: Not this month | February: Not this month | March: Not this month | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow 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 | |
| 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 | |
| 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 | |
| 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 outdoors and under cover | July: Plant under cover | August: Not this month | September: Not this month | October: Not this month | November: Not this month | December: Not this month | |
| 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 | ||||||||||||
| 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 | |
| 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 | |
| January: Not this month | February: Not this month | March: Not this month | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow 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 | |
| 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 | |
| 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 | |
| Beans and peas | ||||||||||||
| January: Not this month | February: Not this month | March: Not this month | April: Not this month | May: Sow 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 | |
| January: Not this month | February: Not this month | March: Not this month | April: Not this month | May: Sow 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 | |
| January: Not this month | February: Not this month | March: Sow 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 | |
| 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 | |
| Onion family | ||||||||||||
| 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 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 | |
| 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 under cover | December: Not this month | |
| 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 | |
| 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 | |
| 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 outdoors and under cover | July: Plant under cover | August: Not this month | September: Not this month | October: Not this month | November: Not this month | December: Not this month | |
| Brassicas | ||||||||||||
| 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 | |
| January: Not this month | February: Not this month | March: Not this month | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow outdoors and under cover | August: Sow under cover | September: Not this month | October: Not this month | November: Not this month | December: Not this month | |
| 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 | |
| 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 | |
| January: Not this month | February: Not this month | March: Not this month | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow 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 | |
| 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 | |
| Herbs | ||||||||||||
| 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 | |
| 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 | |
| January: Not this month | February: Not this month | March: Not this month | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow 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 | |
| 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 | |
| January: Not this month | February: Not this month | March: Not this month | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow 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 | ||||||||||||
| 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 outdoors and under cover | July: Plant under cover | August: Not this month | September: Not this month | October: Not this month | November: Not this month | December: Not this month | |
| 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: Not this month | |
| 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 under cover | December: 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

- 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.
Chile pepperOutdoors Jun 1 to Jun 27; Under cover May 4 to Jul 25

- 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.
Bell pepperOutdoors Jun 6 to Jul 2; Under cover May 9 to Jul 30

- 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.
EggplantOutdoors Jun 6 to Jun 27; Under cover May 9 to Jul 25

- 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.
ZucchiniOutdoors Jun 1 to Aug 8; Under cover May 4 to Sep 5

- 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.
CucumberOutdoors Jun 1 to Aug 3; Under cover May 4 to Aug 31

- 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.
Winter squashOutdoors Jun 1 to Jul 2; Under cover May 4 to Jul 30

- 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.
Sweet cornOutdoors May 27 to Jul 2; Under cover Apr 29 to Jul 30

- 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.
Roots
CarrotOutdoors Apr 24 to Aug 2; Under cover Mar 27 to Aug 30

- 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.
BeetOutdoors Apr 24 to Aug 7; Under cover Mar 27 to Sep 4

- 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.
ParsnipOutdoors Apr 19 to Jul 5; Under cover Mar 22 to Aug 2

- 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.
RadishOutdoors Apr 19 to Sep 16; Under cover Mar 22 to Oct 14

- 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.
PotatoOutdoors Apr 19 to Jun 14; Under cover Mar 22 to Jul 12

- 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.
TurnipOutdoors Apr 19 to Aug 19; Under cover Mar 22 to Sep 16

- 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.
Leaves
LettuceOutdoors Apr 20 to Aug 14; Under cover Mar 23 to Sep 11

- 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.
SpinachOutdoors Apr 19 to Sep 10; Under cover Mar 22 to Oct 8

- 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.
Swiss chardOutdoors Apr 24 to Aug 19; Under cover Mar 27 to Sep 16

- 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.
ArugulaOutdoors Apr 19 to Sep 12; Under cover Mar 22 to Oct 10

- 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.
CeleryOutdoors Apr 16 to Jun 15; Under cover Mar 19 to Jul 13

- 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.
Beans and peas
Runner beanOutdoors May 27 to Jul 26; Under cover Apr 29 to Aug 23

- 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.
Green beanOutdoors May 27 to Aug 6; Under cover Apr 29 to Sep 3

- 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.
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

- 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.
PeaOutdoors Apr 19 to Jul 28; Under cover Mar 22 to Aug 25

- 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.
Onion family
OnionOutdoors Apr 18 to Jun 8; Under cover Mar 21 to Jul 6

- 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.
GarlicOutdoors Oct 5 to Nov 1; Under cover Sep 7 to Nov 29

- 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.
LeekOutdoors Apr 19 to Aug 4; Under cover Mar 22 to Sep 1

- 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.
ScallionOutdoors Apr 16 to Aug 29; Under cover Mar 19 to Sep 26

- 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.
ShallotOutdoors Apr 14 to Jun 27; Under cover Mar 17 to Jul 25

- 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.
Brassicas
CabbageOutdoors Apr 19 to Aug 17; Under cover Mar 22 to Sep 14

- 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.
BroccoliOutdoors Apr 24 to Jul 23; Under cover Mar 27 to Aug 20

- 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.
CauliflowerOutdoors Apr 19 to Jul 20; Under cover Mar 22 to Aug 17

- 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.
Brussels sproutOutdoors Apr 19 to Jun 19; Under cover Mar 22 to Jul 17

- 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.
KaleOutdoors Apr 24 to Aug 7; Under cover Mar 27 to Sep 4

- 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.
Bok choyOutdoors Apr 28 to Sep 1; Under cover Mar 31 to Sep 29

- 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.
Herbs
BasilOutdoors Apr 28 to Aug 10; Under cover Mar 31 to Sep 7

- 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.
ParsleyOutdoors Apr 19 to Aug 17; Under cover Mar 22 to Sep 14

- 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.
CilantroOutdoors Apr 24 to Aug 31; Under cover Mar 27 to Sep 28

- 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.
ChivesOutdoors Apr 19 to Jul 5; Under cover Mar 22 to Aug 2

- 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.
MintOutdoors Apr 24 to Sep 20; Under cover Mar 27 to Oct 18

- 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.
Fruit
StrawberryOutdoors Apr 19 to Jun 19; Under cover Mar 22 to Jul 17

- 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.
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

- 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.
RhubarbOutdoors Oct 13 to Nov 5; Under cover Sep 15 to Dec 3

- 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.
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.
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
