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Planting calendar for ZIP 78840 (Del Rio, TX)

When to plant vegetables in Del Rio, TX (USDA hardiness zone 8b). Typical last spring frost around Feb 19, 2026 18 days year to year), first fall frost around Dec 4, 202613 days).

Playing it safe? Spring frost holds off until about Mar 14, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Del Rio, TX

January

February

March

September

October

November

December

Understand your frost dates

Frost dates for ZIP 78840: NOAA 1991-2020 normals (USC00412361 DEL RIO 4NW, TX US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.