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Arapahoe, WY planting calendar

When to plant vegetables in Arapahoe, WY (USDA hardiness zone 5a). Typical last spring frost around May 16, 2026 12 days year to year), first fall frost around Sep 28, 202611 days).

Playing it safe? Spring frost holds off until about May 31, 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 Arapahoe, WY’s first frost (~Sep 28, 2026) — fastest first.

Month by month in Arapahoe, WY

February

March

April

May

June

July

August

Understand your frost dates

More Wyoming planting calendars

ZIP codes in Arapahoe

82510

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