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Planting calendar for ZIP 82063 (Jelm, WY)

When to plant vegetables in Jelm, WY (USDA hardiness zone 5a). Typical last spring frost around Jun 5, 2026 11 days year to year), first fall frost around Sep 16, 20269 days).

Playing it safe? Spring frost holds off until about Jun 19, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

See the full Jelm, WY planting calendar for dates typical of the whole city.

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Month by month in Jelm, WY

February

March

April

May

June

July

Understand your frost dates

Frost dates for ZIP 82063: NOAA 1991-2020 normals (USC00057296 RUSTIC 9WSW, CO US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.