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Bigfork, MT planting calendar

When to plant vegetables in Bigfork, MT (USDA hardiness zone 5b). Typical last spring frost around May 1, 2026 12 days year to year), first fall frost around Oct 15, 202612 days).

Playing it safe? Spring frost holds off until about May 16, 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:

Or get a printable Bigfork calendar and sowing reminders by email:

Still time to plant

As of today, these crops can still reach harvest before Bigfork, MT’s first frost (~Oct 15, 2026) — fastest first.

Month by month in Bigfork, MT

January

February

March

April

May

August

Understand your frost dates

More Montana planting calendars

ZIP codes in Bigfork

59911

Frost dates are NOAA 1991–2020 climate normals for a representative location in Bigfork, MT (covering 1 ZIP); your exact dates depend on your address. Schedules are guidance, not guarantees.