Greenly

A Coruña: frost dates

Spain

Last spring frostaround 20 January
First autumn frostnone in ten years

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 Pepper2 March15 May5 June
Chili Pepper20 March2 June23 June
Corn—12 Februarysow 5 March
Cucumber3 April15 May5 June
Eggplant6 March15 May5 June
Green Beans6 January12 February5 March
Melon24 March15 May5 June
Peas—9 Decembersow 30 December
Physalis3 March17 April8 May
Pumpkin11 March17 April8 May
Sweet Corn—12 Februarysow 5 March
Tomato19 February17 April8 May
Watermelon13 April15 May5 June
Zucchini16 March17 April8 May

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
Crocus1 October
Daffodil1 October
Garlic1 October
Hyacinth1 October
Lily1 October
Tulip1 October

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

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