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Deer Lodge, MT planting calendar

When to plant vegetables in Deer Lodge, MT (USDA hardiness zone 4b). Typical last spring frost around Jun 9, 2026 13 days year to year), first fall frost around Sep 8, 202610 days).

Playing it safe? Spring frost holds off until about Jun 25, 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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Still time to plant

As of today, these crops can still reach harvest before Deer Lodge, MT’s first frost (~Sep 8, 2026) — fastest first.

Month by month in Deer Lodge, MT

March

April

May

June

July

Understand your frost dates

More Montana planting calendars

ZIP codes in Deer Lodge

59722

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