What to Plant in May in Alberta
Your May planting guide for Alberta (USDA Zones 2–5, typically Zone 3). We've broken out activities by zone — jump to yours below.
Growing season varies across Zones 2–5 — 85–155 days. Pick the zone that matches your part of the state.
🏠
984
Start Indoors
🌿
1336
Transplant Outdoors
🌱
1207
Direct Sow
🧺
291
Harvest
Alberta · Zones 2–5
Zone 3 May guideZone 3 — May in Alberta★ Most of AB
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 Alberta
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 Alberta
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
Zone 5 — May in Alberta
1814 varieties active · Last frost April 30 · 155-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
Asian Delight
Lettuce & Salad Greens · 37d