Skip to main content

Planting calendar for ZIP 78218 (San Antonio, TX)

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.

See the full San Antonio, TX planting calendar for dates typical of the whole city.

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 ZIP 78218 calendar and sowing reminders by email:

Month by month in San Antonio, TX

January

February

March

April

September

November

December

Understand your frost dates

Frost dates for ZIP 78218: NOAA 1991-2020 normals (USC00417947 SAN ANTONIO INCARNATE WORD, TX US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.