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Planting calendar for ZIP 80468 (Parshall, CO)

When to plant vegetables in Parshall, CO (USDA hardiness zone 5a). Typical last spring frost around Jun 12, 2026 10 days year to year), first fall frost around Sep 10, 20268 days).

Playing it safe? Spring frost holds off until about Jun 24, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

See the full Parshall, CO planting calendar for dates typical of the whole city.

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Month by month in Parshall, CO

March

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May

June

July

Understand your frost dates

Frost dates for ZIP 80468: NOAA 1991-2020 normals (USC00059096 WILLIAMS FORK DAM, CO US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.