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Chihuahua: frost dates

Mexico

In Chihuahua the last spring frost usually comes around 8 February and the first autumn frost around 8 December, which leaves about 303 frost-free days (median of 2016–2025). Tomato seedlings can go into open ground around 15 February.

Last spring frostaround 8 February
First autumn frostaround 8 December
Frost-free days303 days

Median of 2016–2025 for the 25 km grid cell of the city: the last day at or below 0 °C in spring and the first in autumn (ERA5 reanalysis via Open-Meteo). In a cold year a frost can come a week or two later — Greenly warns 48 hours ahead.

When to sow and plant

CropSow for seedlingsPlant out in a greenhouseOpen ground
Bell Pepper25 November7 February28 February
Chili Pepper7 December19 February12 March
Corn—25 Januarysow 15 February
Cucumber27 December7 February28 February
Eggplant29 November7 February28 February
Green Beans19 December25 January15 February
Melon17 December7 February28 February
Peas—28 Decembersow 18 January
Physalis11 December25 January15 February
Pumpkin19 December25 January15 February
Sweet Corn—25 Januarysow 15 February
Tomato29 November25 January15 February
Watermelon6 January7 February28 February
Zucchini24 December25 January15 February

Planting out: a week after the last frost once the soil is warm enough for the crop; frost-hardy crops three weeks before it; an unheated greenhouse three weeks earlier. Seedlings are sown so they are ready on that day.

Planted in autumn

CropPlant around
Crocus8 November
Daffodil8 November
Garlic8 November
Hyacinth8 November
Lily8 November
Tulip8 November

A month before the first autumn frost, so the roots grow before winter.

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