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Seeding and planting calendar for vegetables

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Seeding and planting calendar for vegetables
Photo: Lucy Crosbie
Seed tray

Discover native seeds during the Great Gardening Weekend
at the Jardin botanique de Montréal, May 24-26.

The blue giant hyssop is one of the many seeds that will be on hand.
Are you familiar with this native plant?
Used by herbalists, it also helps attract pollinators to your garden.

The following calendar provides information on when to start seedlings in the Montréal region. These dates should be adjusted in colder areas.

Vegetables Indoor seeding Outdoor seeding Successive seeding Outdoor transplanting
Bean   Late May Every 10 days until the end of June for bush beans.  
Beet   Late April or early May Every 2 weeks until the end of June.  
Bell pepper and chili pepper Mid-March to late March     Early June
Broccoli Early April     Mid-May
Brussels sprout Early April     Mid-May
Cabbage Early April     Mid-May
Cabbage (Chinese)   Early August    
Carrot   Late April or early May Every 2 weeks until the end of July.  
Cauliflower Early April     Mid-May
Celeriac Mid-March     Late May
Celery Mid-March     Late May
Chard Early April Early May   Mid-May
Corn   Late May    
Cucumber Mid-May Early June Second seeding possible indoors in early July and transplanting 15 days later; replaces less vigorous plants. Early June
Eggplant Mid-March     Early June
Garlic       October
Ground cherry Early April     Early June
Kale Mid-March May Every 3 or 4 weeks to harvest young plants. Early May
Kohlrabi Late April Early May Every 2 weeks until early September. Late May
Leek Early March     Early May
Lettuce Mid-April Early May Every 2 weeks until the end of August. Late May
Melon Mid-April to late April     Early June
Mesclun   Late April or early May Every 2 weeks until mid-September.  
Onion Early March Early May 
(green onion)
  Early May
Parsnip   Late April or early May    
Peas   Late April or early May Every month until early summer.
Sowing possible in early August (early cultivars).
 
Potato       Mid-May
Pumpkin
and other winter squash
Early May Early June   Early June
Radish   Late April or early May Every 2 weeks until mid-June.
Sowing possible in late August, early September.
 
Rutabaga   Early June    
Shallot (French)       Early May
Spinach   Mid-April Every 2-3 weeks until mid-June. Seeding possible in mid-August.  
Tomatillo Late April     Early June
Tomato Late March to mid-April     Early June
Turnip   Late April or early May Every 2-3 weeks until early June. Seeding possible from early August to late August.  
Zucchini
and other summer squash
Early May Early June   Outdoor transplanting

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