What to Plant in May in Manitoba
Your May planting guide for Manitoba (USDA Zones 2–4, typically Zone 3). We've broken out activities by zone — jump to yours below.
Growing season varies across Zones 2–4 — 85–135 days. Pick the zone that matches your part of the state.
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984
Start Indoors
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79
Transplant Outdoors
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424
Direct Sow
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264
Harvest
Manitoba · Zones 2–4
Zone 3 May guideZone 3 — May in Manitoba★ Most of MB
1110 varieties active · Last frost May 15 · 120-day season
Alfalfa Microgreens
Microgreens · 6-10d
Amara
Lettuce & Salad Greens · 21d
Amaranth Microgreens
Microgreens · 50d
Amaranth, Glitter Mix
Microgreens · 16-25d
Arugula
Lettuce & Salad Greens · 10-15d
Arugula Microgreens
Microgreens · 10-15d
Basil Microgreens
Microgreens · 74d
Basil, Lemon
Microgreens · 16-25d
Zone 2 — May in Manitoba
1284 varieties active · Last frost June 1 · 85-day season
Acorn Squash (Table Queen)
Squash & Cucumbers · 85-100d
Aji Dulce 'Venezuelan Sweet'
Peppers · 85-95d
Alfalfa Microgreens
Microgreens · 6-10d
Ali Baba Watermelon
Melons · 100-110d
Amaranth Microgreens
Microgreens · 50d
Amaranth, Glitter Mix
Microgreens · 16-25d
Ambrosia
Corn · 75-80d
Ambrosia Cantaloupe
Melons · 86-90d
Zone 4 — May in Manitoba
552 varieties active · Last frost May 10 · 135-day season
Alfalfa Microgreens
Microgreens · 6-10d
Amara
Lettuce & Salad Greens · 21d
Amaranth Microgreens
Microgreens · 50d
Amaranth, Glitter Mix
Microgreens · 16-25d
Arugula
Lettuce & Salad Greens · 10-15d
Arugula 'Rocket'
Brassicas · 20-40d
Arugula Microgreens
Microgreens · 10-15d
Basil Microgreens
Microgreens · 74d