What to Plant in September in Kansas

Your September planting guide for Kansas (USDA Zones 5–7, typically Zone 6). We've broken out activities by zone — jump to yours below.

Growing season varies across Zones 5–7 — 155–210 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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991

Harvest

Kansas · Zones 5–7

Zone 6 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 6 — September in Kansas★ Most of KS

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

🏠 Indoor 57🧺 Harvest 978

Full Zone 6 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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+ 970 more Zone 6 varieties for September →

Zone 5 — September in Kansas

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 7 — September in Kansas

903 varieties active · Last frost April 1 · 210-day season

🏠 Indoor 57🧺 Harvest 903

Full Zone 7 guide →

Ace 55

Tomatoes · 80-85d

🧺

Ace 56

Tomatoes · 70-75d

🧺

Acorn Squash (Table Queen)

Squash & Cucumbers · 85-100d

🧺

Ailsa Craig Onion

Root Vegetables · 110d

🧺

Ailsa Craig Sweet Onion

Alliums · 110-120d

🧺

Aji Dulce 'Venezuelan Sweet'

Peppers · 85-95d

🧺

Albion

Root Vegetables · 120d

🧺

Alderman

Peas · 70-80d

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+ 895 more Zone 7 varieties for September →

What to Plant in September in Kansas

Kansas · Zones 5–7

Zone 6 — September in Kansas★ Most of KS

Zone 5 — September in Kansas

Zone 7 — September in Kansas

September in Regions Overlapping Zones 5–7

September by Zone

Kansas Monthly Guides