When to Plant Vegetables in Winnipeg, MB

Your vegetable planning guide for
Winnipeg, MB

On average, your frost-free growing season starts May 25 and ends Sep 22, totalling 120 days. You will find both Spring and Fall planting guides on this page.

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For the Spring:
Your planting strategy:
Cole crops like broccoli, cauliflower, and cabbage can be direct seeded into your garden around April 13, assuming the ground can be worked, but it's better to start them indoors around March 16 and then transplant them into the garden around May 5. Do the same with lettuce and spinach.

Plant onion starts and potatoes around March 26. Sow the seeds of peas (sugar snap and english) at the same time. If the ground is still frozen, then plant these as soon as the ground thaws.

Do you want to grow tomatoes, peppers, and eggplants? Start these indoors around March 16. Then, around May 21 you should start watching the weather forecast and, as soon as no frost is forecast, go ahead and transplant those into the ground.

Now, for all the summer vegetables like beans, cowpeas, corn, squashes, pumpkins, cucumbers, watermelons, gourds and sunflowers, you should plant those seeds directly into the ground around May 25, or if your soil is still very cold, once the soil is near 60° F in temperature. Having said that, we note that your location has a shorter than average growing season. Many summer vegetables need more days to mature than your area will provide. For that reason, we recommend you get a head-start by starting these summer vegetables indoors around May 5, and transplant those seedlings out after the danger of frost is past.

Okay, now here are the cold, hard numbers, along with specific plants:

Crop Sow seeds indoors Transplant seedlings into the garden Direct sow seeds
Asparagus n/a Apr 10 - Apr 25 n/a
Beans n/a n/a May 25 - Jun 22
Beets n/a n/a Mar 30 - Apr 13
Broccoli Mar 16 - Mar 30 Apr 27 - May 11 n/a
Brussel Sprouts Mar 16 - Mar 30 Apr 27 - May 11 n/a
Cabbage Mar 16 - Mar 30 Apr 27 - May 11 n/a
Cantaloupe n/a n/a May 11 - May 25
Carrots n/a n/a Apr 13 - May 11
Cauliflower Mar 16 - Mar 30 Apr 27 - May 11 n/a
Chard n/a n/a Apr 13 - Apr 27
Collards Mar 16 - Mar 30 Apr 27 - May 11 n/a
Corn n/a n/a May 25 - Jun 8
Cucumbers n/a n/a May 25 - Jun 8
Eggplants Mar 16 - Mar 30 May 25 - Jun 8 n/a
Gourds, Squash and Pumpkins n/a n/a May 25 - Jun 8
Kale Mar 16 - Mar 30 Apr 27 - May 11 n/a
Kohlrabi Mar 16 - Mar 30 Apr 27 - May 11 n/a
Lettuce Mar 16 - Mar 30 Apr 13 - May 11 Apr 13 - May 11
Mustard Mar 16 - Mar 30 Apr 27 - May 11 n/a
Okra n/a n/a May 25 - Jun 8
Onions Mar 9 - Mar 16 Mar 26 - Apr 25 n/a
Peas (English) n/a n/a Mar 26 - Apr 25
Peas (Southern) n/a n/a May 25 - Jun 22
Peas (Sugar Snap) n/a n/a Mar 26 - Apr 25
Peppers Mar 16 - Mar 30 May 25 - Jun 8 n/a
Potatoes n/a n/a Mar 26 - Apr 25
Radishes n/a n/a Apr 10 - Jun 8
Spinach Mar 16 - Mar 30 Apr 27 - May 11 Apr 10 - May 11
Sweet Potatoes n/a May 25 - Jun 15 n/a
Tomatoes Mar 16 - Mar 30 May 25 - Jun 8 n/a
Watermelon n/a n/a May 25 - Jun 8

For the Fall:
Your fall planting strategy:
Gardening in the fall can be much more challenging than spring planting, because you are in a race to get your crops mature and harvested before the winter frosts begin, around September 22. This means you need to consider how much time each variety needs between planting and picking. Those numbers vary widely between different varieties of the same kinds of plants! Usually the "Days to Harvest" are present on the seed packet.

Most tomatoes, peppers and eggplants, for example, require around 100 days to harvest, therefore you'd want to transplant those into the ground around June 14. Anyway, it's important to remember that the numbers in this fall planting guide are only a starting point for you! Good luck and good gardening to you.

Fall is the time to plant garlic. Around August 8, take your cloves apart and plant the toes about 3 to 4 inches deep. This may not be accurate! Garlic dates vary wildly around the country. The way to be sure is to use a soil thermometer. When the soil temperature is 60° at a depth of 4 inches, then plant your garlic.

Cole crops like broccoli, cauliflower, and cabbage can be direct seeded into your garden around July 14, but because of the heat during that time of year, it's better to start them indoors around May 25 and then transplant them into the garden around July 4. Do the same with lettuce and spinach.

Sow peas directly around July 9.

Now, for all the usual hot weather veggies like beans, cowpeas, corn, squashes, pumpkins, cucumbers, watermelons, gourds and sunflowers, you should plant those seeds directly into the ground around June 9.

Okay, now here are the cold, hard numbers, along with specific plants:

Crop Sow seeds indoors Transplant seedlings into the garden Direct sow seeds
Beans n/a n/a Jun 9 - Jul 9
Beets n/a n/a Jul 9 - Aug 23
Broccoli Apr 28 - Jun 12 Jun 9 - Jul 24 n/a
Brussel Sprouts Apr 28 - Jun 12 Jun 9 - Jul 24 n/a
Cabbage Apr 28 - Jun 12 Jun 9 - Jul 24 n/a
Cantaloupe n/a n/a May 25 - Jun 9
Carrots n/a n/a Jun 24 - Aug 23
Cauliflower Apr 28 - Jun 12 Jun 9 - Jul 24 n/a
Chard n/a n/a Jun 9 - Aug 23
Collards May 25 - Jul 9 Jun 24 - Aug 8 n/a
Corn n/a n/a Jun 9 - Jun 24
Cucumbers n/a n/a Jun 9 - Jun 24
Eggplants Apr 13 - Apr 28 May 25 - Jun 9 n/a
Garlic n/a n/a Jul 9 - Aug 23
Gourds, Squash and Pumpkins n/a n/a May 10 - Jun 9
Kale Apr 28 - Jun 12 Jun 9 - Jul 24 n/a
Kohlrabi Apr 28 - Jun 12 Jun 9 - Jul 24 n/a
Lettuce Jun 24 - Jul 24 Jul 24 - Aug 23 Jul 24 - Aug 23
Mustard n/a n/a Jul 24 - Aug 23
Okra n/a n/a May 10 - Jun 9
Onions n/a n/a Aug 23 - Sep 2
Parsley May 10 - Jun 24 Jun 24 - Aug 8 n/a
Peas (English) n/a n/a Jun 24 - Jul 24
Peas (Southern) n/a n/a May 10 - Jun 9
Peas (Sugar Snap) n/a n/a Jun 24 - Jul 24
Peppers Apr 18 - May 3 May 30 - Jun 14 n/a
Potatoes n/a n/a Jun 24 - Jul 24
Radishes n/a n/a Jul 24 - Aug 23
Spinach Jun 9 - Jul 24 Jul 9 - Aug 23 Jul 9 - Aug 23
Tomatoes Apr 18 - May 3 May 30 - Jun 14 n/a
Turnips n/a n/a Aug 8 - Sep 7
Watermelon n/a n/a May 10 - Jun 9

How accurate is all this? For nearly all locations, we are confident in the dates. There are, however, some difficult areas of the world that don't match up perfectly with the dates we have given. For that reason, we recommend you use this guide as a very good starting place, but don't interpret the dates as absolutely perfect for every location.

Did you find this useful? Garden.org has a vast array of useful features. May we recommend that you take a look at our excellent food gardening guide?


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