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Planting calendar for ZIP 59634 (Clancy, MT)

When to plant vegetables in Clancy, MT (USDA hardiness zone 4b). Typical last spring frost around Jun 18, 2026 13 days year to year), first fall frost around Sep 5, 202611 days).

Playing it safe? Spring frost holds off until about Jul 4, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Clancy, MT

March

April

May

June

July

Understand your frost dates

Frost dates for ZIP 59634: NOAA 1991-2020 normals (USC00248239 TIZER GARDENS, MT US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.