Skip to main content

Vandalia, MT planting calendar

When to plant vegetables in Vandalia, MT (USDA hardiness zone 4a). Typical last spring frost around May 13, 2026 9 days year to year), first fall frost around Sep 27, 202610 days).

Playing it safe? Spring frost holds off until about May 24, 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 Vandalia calendar and sowing reminders by email:

Still time to plant

As of today, these crops can still reach harvest before Vandalia, MT’s first frost (~Sep 27, 2026) — fastest first.

Month by month in Vandalia, MT

February

March

April

May

June

July

August

Understand your frost dates

More Montana planting calendars

ZIP codes in Vandalia

59273

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