June is one of the best months for direct sowing in Canada because the soil is warmer and frost risk is usually finished in most regions. In colder areas, early June may still be cool, so tender crops should be planted only after nights are consistently warm. June is a warm and productive month for sowing seeds in Canada. Direct sow beans, cucumbers, zucchini, squash, corn, carrots, beets, radish, lettuce, kale, Swiss chard, basil, dill, sunflowers, zinnias, cosmos, marigolds, and nasturtiums. Plant pepper transplants outdoors after frost risk has passed, but avoid starting pepper seeds outdoors unless growing in containers, a greenhouse, or for overwintering.
Fast Season Crops to Sow
Lettuce
Arugula
Spinach
Radish
Mustard greens
Baby kale
Swiss chard
Bok choy
Green onions
Turnips
Beets
Carrots
Kohlrabi
Warm Season Crops To Sow In June
Bush beans
Pole beans
Cucumbers
Zucchini
Summer squash
Pumpkins
Winter squash
Sweet corn
Okra, in warmer regions
Melons, in warm regions or with protection
Flower Seeds to Sow In June
Sunflowers
Zinnias
Cosmos
Marigolds
Nasturtiums
Calendula
Bachelor’s buttons
Alyssum
Coreopsis
Morning glory
Four o’clocks
Cleome
Tithonia / Mexican sunflower
Amaranth
Nigella
Poppies, in cooler areas
Pepper Seeds to Sow In June
Jalapeño
Cayenne
Fresno
Banana pepper
Hungarian hot wax
Shishito
Mini bell peppers
Sweet bell peppers
Habanero, in warm areas or containers
Scotch Bonnet, best in containers or greenhouse
Superhots, best only as established plants
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