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San Antonio, TX planting calendar

When to plant vegetables in San Antonio, TX (USDA hardiness zone 9a). Typical last spring frost around Feb 25, 2026 20 days year to year), first fall frost around Nov 28, 202617 days).

Playing it safe? Spring frost holds off until about Mar 22, 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 San Antonio, TX’s first frost (~Nov 28, 2026) — fastest first.

Month by month in San Antonio, TX

January

February

March

April

September

November

December

Understand your frost dates

Frost dates are NOAA 1991–2020 climate normals for a representative location in San Antonio, TX (covering 64 ZIPs); your exact dates depend on your address. Schedules are guidance, not guarantees.