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What to plant in September

Find your USDA hardiness zone below to see which crops have a start-indoors, sowing, or transplanting window in September. Every crop links to exact dated windows computed from your zone's frost dates.

These tables use US hardiness zones and northern hemisphere seasons. In Australia the months flip, and the Dibble app handles Canadian and Australian zones directly.

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Dibble turns your ZIP code into a full planting calendar and reminds you on the right day. Free to start, no account needed.

What to plant in September: Zone 3
TaskCrops
Direct sowGarlic (dates)
What to plant in September: Zone 4
TaskCrops
Direct sowGarlic (dates)
What to plant in September: Zone 5
TaskCrops
Direct sowGarlic (dates)
Plant bulbsTulip (dates)
What to plant in September: Zone 6
TaskCrops
Direct sowGarlic (dates)
Plant bulbsTulip (dates)
What to plant in September: Zone 7
TaskCrops
Plant bulbsTulip (dates)
What to plant in September: Zone 8
TaskCrops
Plant bulbsTulip (dates)

No planting windows land in September for Zone 9. It is a good month to plan beds, order seeds, and get ahead of the season.

No planting windows land in September for Zone 10. It is a good month to plan beds, order seeds, and get ahead of the season.

No planting windows land in September for Zone 11. It is a good month to plan beds, order seeds, and get ahead of the season.

Other months

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Plant at the right time this season

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