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Planting calendar for ZIP 78537 (Donna, TX)

When to plant vegetables in Donna, TX (USDA hardiness zone 10a). Typical last spring frost around Jan 8, 2026 28 days year to year), first fall frost around Dec 31, 202626 days).

Playing it safe? Spring frost holds off until about Feb 12, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Donna, TX

January

February

September

October

November

December

Understand your frost dates

Frost dates for ZIP 78537: NOAA 1991-2020 normals (USC00419588 WESLACO, TX US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.