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Casco, WI planting calendar

When to plant vegetables in Casco, WI (USDA hardiness zone 5b). Typical last spring frost around May 1, 2026 12 days year to year), first fall frost around Oct 18, 202612 days).

Playing it safe? Spring frost holds off until about May 16, 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 Casco calendar and sowing reminders by email:

Still time to plant

As of today, these crops can still reach harvest before Casco, WI’s first frost (~Oct 18, 2026) — fastest first.

Month by month in Casco, WI

January

February

March

April

May

August

Understand your frost dates

More Wisconsin planting calendars

ZIP codes in Casco

54205

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