Greenly

Marseille: frost dates

France

Last spring frostaround 11 February
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 Pepper4 February19 April10 May
Chili Pepper21 February6 May27 May
Corn—7 Februarysow 28 February
Cucumber8 March19 April10 May
Eggplant8 February19 April10 May
Green Beans1 January7 February28 February
Melon26 February19 April10 May
Peas—31 Decembersow 21 January
Physalis6 February23 March13 April
Pumpkin14 February23 March13 April
Sweet Corn—7 Februarysow 28 February
Tomato25 January23 March13 April
Watermelon18 March19 April10 May
Zucchini19 February23 March13 April

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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