What to Plant in September in Quebec

Your September planting guide for Quebec (USDA Zones 2–6, typically Zone 4). We've broken out activities by zone — jump to yours below.

Growing season varies across Zones 2–6 — 85–180 days. Pick the zone that matches your part of the state.

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Start Indoors

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Transplant Outdoors

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Direct Sow

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989

Harvest

Quebec · Zones 2–6

Zone 4 September guide

Zone 3 Zone 4 Zone 5 Zone 6 Zone 7 Zone 8 Zone 9 Zone 10

← Aug

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Oct →

Zone 4 — September in Quebec★ Most of QC

913 varieties active · Last frost May 10 · 135-day season

🏠 Indoor 57🧺 Harvest 913

Full Zone 4 guide →

Ace 55

Tomatoes · 80-85d

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Ace 56

Tomatoes · 70-75d

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Acorn Squash (Table Queen)

Squash & Cucumbers · 85-100d

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Affirmed

Beans & Legumes · 56d

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Ailsa Craig Onion

Root Vegetables · 110d

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Ailsa Craig Sweet Onion

Alliums · 110-120d

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Aji Dulce 'Venezuelan Sweet'

Peppers · 85-95d

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Albion

Root Vegetables · 120d

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+ 905 more Zone 4 varieties for September →

Zone 3 — September in Quebec

841 varieties active · Last frost May 15 · 120-day season

🏠 Indoor 57🧺 Harvest 841

Full Zone 3 guide →

Ace 55

Tomatoes · 80-85d

🧺

Ace 56

Tomatoes · 70-75d

🧺

Affirmed

Beans & Legumes · 56d

🧺

Ailsa Craig Onion

Root Vegetables · 110d

🧺

Ailsa Craig Sweet Onion

Alliums · 110-120d

🧺

Aji Dulce 'Venezuelan Sweet'

Peppers · 85-95d

🧺

Albion

Root Vegetables · 120d

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Alderman

Peas · 70-80d

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+ 833 more Zone 3 varieties for September →

Zone 5 — September in Quebec

963 varieties active · Last frost April 30 · 155-day season

🏠 Indoor 57🧺 Harvest 963

Full Zone 5 guide →

Ace 55

Tomatoes · 80-85d

🧺

Ace 56

Tomatoes · 70-75d

🧺

Acorn Squash (Table Queen)

Squash & Cucumbers · 85-100d

🧺

Affirmed

Beans & Legumes · 56d

🧺

Ailsa Craig Onion

Root Vegetables · 110d

🧺

Ailsa Craig Sweet Onion

Alliums · 110-120d

🧺

Aji Dulce 'Venezuelan Sweet'

Peppers · 85-95d

🧺

Albion

Root Vegetables · 120d

🧺

+ 955 more Zone 5 varieties for September →

Zone 2 — September in Quebec

841 varieties active · Last frost June 1 · 85-day season

🏠 Indoor 57🧺 Harvest 841

Full Zone 2 guide →

Ace 55

Tomatoes · 80-85d

🧺

Ace 56

Tomatoes · 70-75d

🧺

Acorn Squash (Table Queen)

Squash & Cucumbers · 85-100d

🧺

Affirmed

Beans & Legumes · 56d

🧺

Ailsa Craig Onion

Root Vegetables · 110d

🧺

Ailsa Craig Sweet Onion

Alliums · 110-120d

🧺

Aji Dulce 'Venezuelan Sweet'

Peppers · 85-95d

🧺

Albion

Root Vegetables · 120d

🧺

+ 833 more Zone 2 varieties for September →

Zone 6 — September in Quebec

978 varieties active · Last frost April 15 · 180-day season

🏠 Indoor 57🧺 Harvest 978

Full Zone 6 guide →

Ace 55

Tomatoes · 80-85d

🧺

Ace 56

Tomatoes · 70-75d

🧺

Acorn Squash (Table Queen)

Squash & Cucumbers · 85-100d

🧺

Affirmed

Beans & Legumes · 56d

🧺

Ailsa Craig Onion

Root Vegetables · 110d

🧺

Ailsa Craig Sweet Onion

Alliums · 110-120d

🧺

Aji Dulce 'Venezuelan Sweet'

Peppers · 85-95d

🧺

Albion

Root Vegetables · 120d

🧺

+ 970 more Zone 6 varieties for September →

What to Plant in September in Quebec

Quebec · Zones 2–6

Zone 4 — September in Quebec★ Most of QC

Zone 3 — September in Quebec

Zone 5 — September in Quebec

Zone 2 — September in Quebec

Zone 6 — September in Quebec

September in Regions Overlapping Zones 2–6

September by Zone

Quebec Monthly Guides