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Planting calendar for ZIP 59084 (Teigen, MT)

When to plant vegetables in Teigen, MT (USDA hardiness zone 4b). Typical last spring frost around May 18, 2026 9 days year to year), first fall frost around Sep 21, 202610 days).

Playing it safe? Spring frost holds off until about May 29, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

See the full Teigen, MT planting calendar for dates typical of the whole city.

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Month by month in Teigen, MT

February

March

April

May

June

July

Understand your frost dates

Frost dates for ZIP 59084: NOAA 1991-2020 normals (USC00248498 VALENTINE, MT US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.