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Planting calendar for ZIP 78067 (San Ygnacio, TX)

When to plant vegetables in San Ygnacio, TX (USDA hardiness zone 9b). Typical last spring frost around Jan 19, 2026 27 days year to year), first fall frost around Dec 22, 202623 days).

Playing it safe? Spring frost holds off until about Feb 22, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in San Ygnacio, TX

January

February

March

September

October

November

December

Understand your frost dates

Frost dates for ZIP 78067: NOAA 1991-2020 normals (USC00419976 ZAPATA 1 S, TX US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.