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Parkman, WY planting calendar

When to plant vegetables in Parkman, WY (USDA hardiness zone 5a). Typical last spring frost around May 24, 2026 11 days year to year), first fall frost around Sep 18, 202612 days).

Playing it safe? Spring frost holds off until about Jun 7, 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 Parkman, WY’s first frost (~Sep 18, 2026) — fastest first.

Month by month in Parkman, WY

February

March

April

May

June

July

Understand your frost dates

More Wyoming planting calendars

ZIP codes in Parkman

82838

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