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Port Arthur, TX planting calendar

When to plant vegetables in Port Arthur, TX (USDA hardiness zone 9b). Typical last spring frost around Feb 14, 2026 21 days year to year), first fall frost around Dec 7, 202621 days).

Playing it safe? Spring frost holds off until about Mar 12, 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 Port Arthur, TX’s first frost (~Dec 7, 2026) — fastest first.

Month by month in Port Arthur, TX

January

February

March

September

November

December

Understand your frost dates

Frost dates are NOAA 1991–2020 climate normals for a representative location in Port Arthur, TX (covering 2 ZIPs); your exact dates depend on your address. Schedules are guidance, not guarantees.