Ontario, Canada
Planting calendar for Kitchener
Last frost around April 29, first frost around October 28: about 182 frost-free days.
- Last frost
- April 29 on average
- First frost
- October 28 on average
- Frost-free days
- 182 in a typical year
Sow now: November
See the whole yearThe year at a glance
When each crop can be sown in Kitchener. 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: 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: 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: 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: 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 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 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 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: 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 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 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: 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 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 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: Not this month | October: Plant outdoors and under cover | November: Plant outdoors and under cover | December: Plant under cover | |
| 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 | |
Fruit rows show when to plant, not sow.
Crop by crop
Fruiting
TomatoOutdoors Jun 3 to Jun 28; Under cover May 6 to Jul 26

- Sow outdoors
- Jun 3 to Jun 28
- Under cover
- May 6 to Jul 26
- First harvest
- About 66 days after sowing. Sown on June 3, ready around August 8.
- Warmth
- Tender: needs days averaging 12°C or more, and no frost.
Chile pepperOutdoors Jun 2 to Jun 28; Under cover May 5 to Jul 26

- Sow outdoors
- Jun 2 to Jun 28
- Under cover
- May 5 to Jul 26
- First harvest
- About 84 days after sowing. Sown on June 2, ready around August 25.
- Warmth
- Tender: needs days averaging 12°C or more, and no frost.
Bell pepperOutdoors Jun 7 to Jul 3; Under cover May 10 to Jul 31

- Sow outdoors
- Jun 7 to Jul 3
- Under cover
- May 10 to Jul 31
- First harvest
- About 78 days after sowing. Sown on June 7, ready around August 24.
- Warmth
- Tender: needs days averaging 12°C or more, and no frost.
EggplantOutdoors Jun 7 to Jun 28; Under cover May 10 to Jul 26

- Sow outdoors
- Jun 7 to Jun 28
- Under cover
- May 10 to Jul 26
- First harvest
- About 90 days after sowing. Sown on June 7, ready around September 5.
- Warmth
- Tender: needs days averaging 12°C or more, and no frost.
ZucchiniOutdoors Jun 2 to Aug 9; Under cover May 5 to Sep 6

- Sow outdoors
- Jun 2 to Aug 9
- Under cover
- May 5 to Sep 6
- First harvest
- About 41 days after sowing. Sown on June 2, ready around July 13.
- Warmth
- Tender: needs days averaging 12°C or more, and no frost.
CucumberOutdoors Jun 2 to Aug 4; Under cover May 5 to Sep 1

- Sow outdoors
- Jun 2 to Aug 4
- Under cover
- May 5 to Sep 1
- First harvest
- About 45 days after sowing. Sown on June 2, ready around July 17.
- Warmth
- Tender: needs days averaging 12°C or more, and no frost.
Winter squashOutdoors Jun 2 to Jul 3; Under cover May 5 to Jul 31

- Sow outdoors
- Jun 2 to Jul 3
- Under cover
- May 5 to Jul 31
- 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.
Sweet cornOutdoors May 28 to Jul 3; Under cover Apr 30 to Jul 31

- Sow outdoors
- May 28 to Jul 3
- Under cover
- Apr 30 to Jul 31
- First harvest
- About 60 days after sowing. Sown on May 28, ready around July 27.
- Warmth
- Tender: needs days averaging 11°C or more, and no frost.
Roots
CarrotOutdoors Apr 22 to Jul 31; Under cover Mar 25 to Aug 28

- Sow outdoors
- Apr 22 to Jul 31
- Under cover
- Mar 25 to Aug 28
- First harvest
- About 72 days after sowing. Sown on April 22, ready around July 3.
- Warmth
- Hardy: grows once days average 7°C.
BeetOutdoors Apr 22 to Aug 7; Under cover Mar 25 to Sep 4

- Sow outdoors
- Apr 22 to Aug 7
- Under cover
- Mar 25 to Sep 4
- First harvest
- About 50 days after sowing. Sown on April 22, ready around June 11.
- Warmth
- Hardy: grows once days average 7°C.
ParsnipOutdoors Apr 17 to Jul 3; Under cover Mar 20 to Jul 31

- Sow outdoors
- Apr 17 to Jul 3
- Under cover
- Mar 20 to Jul 31
- First harvest
- About 87 days after sowing. Sown on April 17, ready around July 13.
- Warmth
- Hardy: grows once days average 6°C.
RadishOutdoors Apr 17 to Sep 17; Under cover Mar 20 to Oct 15

- Sow outdoors
- Apr 17 to Sep 17
- Under cover
- Mar 20 to Oct 15
- First harvest
- About 18 days after sowing. Sown on April 17, ready around May 5.
- Warmth
- Hardy: grows once days average 6°C; bolts in hot weather.
PotatoOutdoors Apr 17 to Jun 12; Under cover Mar 20 to Jul 10

- Plant outdoors
- Apr 17 to Jun 12
- Under cover
- Mar 20 to Jul 10
- First harvest
- About 66 days after planting. Planted on April 17, ready around June 22.
- Warmth
- Hardy: grows once days average 6°C.
TurnipOutdoors Apr 17 to Aug 20; Under cover Mar 20 to Sep 17

- Sow outdoors
- Apr 17 to Aug 20
- Under cover
- Mar 20 to Sep 17
- First harvest
- About 38 days after sowing. Sown on April 17, ready around May 25.
- Warmth
- Hardy: grows once days average 6°C.
Leaves
LettuceOutdoors Apr 18 to Aug 15; Under cover Mar 21 to Sep 12

- Sow outdoors
- Apr 18 to Aug 15
- Under cover
- Mar 21 to Sep 12
- First harvest
- About 46 days after sowing. Sown on April 18, ready around June 3.
- Warmth
- Hardy: grows once days average 6°C; bolts in hot weather.
SpinachOutdoors Apr 17 to Sep 12; Under cover Mar 20 to Oct 10

- Sow outdoors
- Apr 17 to Sep 12
- Under cover
- Mar 20 to Oct 10
- First harvest
- About 29 days after sowing. Sown on April 17, ready around May 16.
- Warmth
- Hardy: grows once days average 6°C; bolts in hot weather.
Swiss chardOutdoors Apr 22 to Aug 20; Under cover Mar 25 to Sep 17

- Sow outdoors
- Apr 22 to Aug 20
- Under cover
- Mar 25 to Sep 17
- First harvest
- About 43 days after sowing. Sown on April 22, ready around June 4.
- Warmth
- Hardy: grows once days average 7°C.
ArugulaOutdoors Apr 17 to Sep 13; Under cover Mar 20 to Oct 11

- Sow outdoors
- Apr 17 to Sep 13
- Under cover
- Mar 20 to Oct 11
- First harvest
- About 26 days after sowing. Sown on April 17, ready around May 13.
- Warmth
- Hardy: grows once days average 6°C; bolts in hot weather.
CeleryOutdoors Apr 14 to Jun 13; Under cover Mar 17 to Jul 11

- Sow outdoors
- Apr 14 to Jun 13
- Under cover
- Mar 17 to Jul 11
- First harvest
- About 81 days after sowing. Sown on April 14, ready around July 4.
- Warmth
- Hardy: grows once days average 5°C.
Beans and peas
Runner beanOutdoors May 28 to Jul 27; Under cover Apr 30 to Aug 24

- Sow outdoors
- May 28 to Jul 27
- Under cover
- Apr 30 to Aug 24
- First harvest
- About 57 days after sowing. Sown on May 28, ready around July 24.
- Warmth
- Tender: needs days averaging 11°C or more, and no frost.
Green beanOutdoors May 28 to Aug 7; Under cover Apr 30 to Sep 4

- Sow outdoors
- May 28 to Aug 7
- Under cover
- Apr 30 to Sep 4
- First harvest
- About 49 days after sowing. Sown on May 28, ready around July 16.
- Warmth
- Tender: needs days averaging 11°C or more, and no frost.
Fava beanOutdoors Apr 11 to Apr 26; Under cover Mar 14 to Mar 29, and Apr 11 to Apr 26, and May 9 to May 24

- Sow outdoors
- Apr 11 to Apr 26
- Under cover
- Mar 14 to Mar 29, and Apr 11 to Apr 26, and May 9 to May 24
- First harvest
- About 220 days after sowing. Sown on April 11, ready around November 17.
- Warmth
- Hardy: goes in as the weather cools, and grows on through winter.
PeaOutdoors Apr 17 to Jul 29; Under cover Mar 20 to Aug 26

- Sow outdoors
- Apr 17 to Jul 29
- Under cover
- Mar 20 to Aug 26
- First harvest
- About 51 days after sowing. Sown on April 17, ready around June 7.
- Warmth
- Hardy: grows once days average 6°C; bolts in hot weather.
Onion family
OnionOutdoors Apr 16 to Jun 6; Under cover Mar 19 to Jul 4

- Plant outdoors
- Apr 16 to Jun 6
- Under cover
- Mar 19 to Jul 4
- First harvest
- About 93 days after planting. Planted on April 16, ready around July 18.
- Warmth
- Hardy: grows once days average 6°C.
GarlicOutdoors Oct 6 to Nov 4; Under cover Sep 8 to Dec 2

- Plant outdoors
- Oct 6 to Nov 4
- Under cover
- Sep 8 to Dec 2
- First harvest
- About 250 days after planting. Planted on October 6, ready around June 13.
- Warmth
- Hardy: goes in as the weather cools, and grows on through winter.
LeekOutdoors Apr 17 to Aug 2; Under cover Mar 20 to Aug 30

- Sow outdoors
- Apr 17 to Aug 2
- Under cover
- Mar 20 to Aug 30
- First harvest
- About 102 days after sowing. Sown on April 17, ready around July 28.
- Warmth
- Hardy: grows once days average 6°C.
ScallionOutdoors Apr 14 to Aug 30; Under cover Mar 17 to Sep 27

- Sow outdoors
- Apr 14 to Aug 30
- Under cover
- Mar 17 to Sep 27
- First harvest
- About 42 days after sowing. Sown on April 14, ready around May 26.
- Warmth
- Hardy: grows once days average 5°C.
ShallotOutdoors Apr 11 to Jun 24; Under cover Mar 14 to Jul 22

- Plant outdoors
- Apr 11 to Jun 24
- Under cover
- Mar 14 to Jul 22
- First harvest
- About 78 days after planting. Planted on April 11, ready around June 28.
- Warmth
- Hardy: grows once days average 5°C.
Brassicas
CabbageOutdoors Apr 17 to Aug 17; Under cover Mar 20 to Sep 14

- Sow outdoors
- Apr 17 to Aug 17
- Under cover
- Mar 20 to Sep 14
- First harvest
- About 73 days after sowing. Sown on April 17, ready around June 29.
- Warmth
- Hardy: grows once days average 6°C.
BroccoliOutdoors Apr 22 to Jul 21; Under cover Mar 25 to Aug 18

- Sow outdoors
- Apr 22 to Jul 21
- Under cover
- Mar 25 to Aug 18
- First harvest
- About 65 days after sowing. Sown on April 22, ready around June 26.
- Warmth
- Hardy: grows once days average 7°C.
CauliflowerOutdoors Apr 17 to Jul 18; Under cover Mar 20 to Aug 15

- Sow outdoors
- Apr 17 to Jul 18
- Under cover
- Mar 20 to Aug 15
- First harvest
- About 80 days after sowing. Sown on April 17, ready around July 6.
- Warmth
- Hardy: grows once days average 6°C; bolts in hot weather.
Brussels sproutOutdoors Apr 17 to Jun 17; Under cover Mar 20 to Jul 15

- Sow outdoors
- Apr 17 to Jun 17
- Under cover
- Mar 20 to Jul 15
- First harvest
- About 122 days after sowing. Sown on April 17, ready around August 17.
- Warmth
- Hardy: grows once days average 6°C.
KaleOutdoors Apr 22 to Aug 5; Under cover Mar 25 to Sep 2

- Sow outdoors
- Apr 22 to Aug 5
- Under cover
- Mar 25 to Sep 2
- First harvest
- About 58 days after sowing. Sown on April 22, ready around June 19.
- Warmth
- Hardy: grows once days average 7°C.
Bok choyOutdoors Apr 26 to Sep 3; Under cover Mar 29 to Oct 1

- Sow outdoors
- Apr 26 to Sep 3
- Under cover
- Mar 29 to Oct 1
- First harvest
- About 35 days after sowing. Sown on April 26, ready around May 31.
- Warmth
- Hardy: grows once days average 8°C; bolts in hot weather.
Herbs
BasilOutdoors Apr 29 to Aug 11; Under cover Apr 1 to Sep 8

- Sow outdoors
- Apr 29 to Aug 11
- Under cover
- Apr 1 to Sep 8
- First harvest
- About 39 days after sowing. Sown on April 29, ready around June 7.
- Warmth
- Tender: needs days averaging 8°C or more, and no frost.
ParsleyOutdoors Apr 17 to Aug 18; Under cover Mar 20 to Sep 15

- Sow outdoors
- Apr 17 to Aug 18
- Under cover
- Mar 20 to Sep 15
- First harvest
- About 48 days after sowing. Sown on April 17, ready around June 4.
- Warmth
- Hardy: grows once days average 6°C.
CilantroOutdoors Apr 22 to Sep 1; Under cover Mar 25 to Sep 29

- Sow outdoors
- Apr 22 to Sep 1
- Under cover
- Mar 25 to Sep 29
- First harvest
- About 36 days after sowing. Sown on April 22, ready around May 28.
- Warmth
- Hardy: grows once days average 7°C; bolts in hot weather.
ChivesOutdoors Apr 17 to Jul 3, and Jul 25 to Aug 1; Under cover Mar 20 to Aug 1, and Aug 22 to Aug 29

- Sow outdoors
- Apr 17 to Jul 3, and Jul 25 to Aug 1
- Under cover
- Mar 20 to Aug 1, and Aug 22 to Aug 29
- First harvest
- Crops every year once it’s established.
- Warmth
- Hardy: grows once days average 6°C.
MintOutdoors Apr 22 to Sep 22; Under cover Mar 25 to Oct 20

- Sow outdoors
- Apr 22 to Sep 22
- Under cover
- Mar 25 to Oct 20
- First harvest
- Crops every year once it’s established.
- Warmth
- Hardy: grows once days average 7°C.
Fruit
StrawberryOutdoors Apr 17 to Jun 17; Under cover Mar 20 to Jul 15

- Plant outdoors
- Apr 17 to Jun 17
- Under cover
- Mar 20 to Jul 15
- First harvest
- Crops every year once it’s established.
- Warmth
- Hardy: grows once days average 6°C.
RaspberryOutdoors Oct 24 to Nov 11; Under cover Sep 26 to Oct 14, and Oct 24 to Nov 11, and Nov 21 to Dec 9

- Plant outdoors
- Oct 24 to Nov 11
- Under cover
- Sep 26 to Oct 14, and Oct 24 to Nov 11, and Nov 21 to Dec 9
- First harvest
- Crops every year once it’s established.
- Warmth
- Hardy: goes in as the weather cools, and grows on through winter.
RhubarbOutdoors Oct 14 to Nov 9; Under cover Sep 16 to Dec 7

- Plant outdoors
- Oct 14 to Nov 9
- Under cover
- Sep 16 to Dec 7
- First harvest
- Crops every year once it’s established.
- Warmth
- Hardy: goes in as the weather cools, and grows on through winter.
Also covers
Guelph, Waterloo, and nearby villages. Dates are within a few days across the area.
Questions about growing in Kitchener
When is the last frost in Kitchener?
On average around April 29, 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 Kitchener?
Yes. Plant them outdoors Jun 3 to Jun 28, or under cover May 6 to Jul 26.
What can I sow in Kitchener in November?
Outdoors: raspberry, rhubarb. Under cover: garlic.
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
