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Bozeman, MT planting calendar

When to plant vegetables in Bozeman, MT (USDA hardiness zone 5a). Typical last spring frost around May 23, 2026 15 days year to year), first fall frost around Sep 23, 202613 days).

Playing it safe? Spring frost holds off until about Jun 11, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

Want exact dates for your address, a drag-and-drop bed layout, and reminders when it’s time to sow? Enter your ZIP:

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Month by month in Bozeman, MT

February

March

April

May

June

July

Understand your frost dates

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ZIP codes in Bozeman

59715, 59718

Frost dates are NOAA 1991–2020 climate normals for a representative location in Bozeman, MT (covering 2 ZIPs); your exact dates depend on your address. Schedules are guidance, not guarantees.