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Rock Island, TX planting calendar

When to plant vegetables in Rock Island, TX (USDA hardiness zone 9a). Typical last spring frost around Mar 9, 2026 18 days year to year), first fall frost around Nov 20, 202616 days).

Playing it safe? Spring frost holds off until about Apr 1, 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 Rock Island calendar and sowing reminders by email:

Still time to plant

As of today, these crops can still reach harvest before Rock Island, TX’s first frost (~Nov 20, 2026) — fastest first.

Month by month in Rock Island, TX

January

February

March

April

September

December

Understand your frost dates

More Texas planting calendars

ZIP codes in Rock Island

77470

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