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When to plant garlic in Switzerland: 23 August – end of December

Garlic in Switzerland: plant from 23 August to the end of December; the window opens earliest in Locarno and closes latest in Zurich (13 cities).

From a month before the first autumn frost, so the roots grow before winter, to the late-planting limit on each crop’s page (about two weeks before the ground freezes, by ten years of weather).

Planting window by climate zone

ZoneCitiesWindow
210–269 frost-free daysZurich, Geneva, Basel, Lausanne, Lugano, Bellinzona, St. Gallen, Neuchâtel16 October – end of December
150–209 frost-free daysBern, Lucerne, Fribourg, Sion19 September – 30 December
Short season: under 150 frost-free daysLocarno23 August – 27 October

Garlic: the window in each city

CityWindowZone
Locarno23 August – 27 OctoberShort season: under 150 frost-free days
Sion19 September – 19 November150–209 frost-free days
Lucerne20 September – 29 November150–209 frost-free days
Bern4 October – 21 December150–209 frost-free days
Fribourg7 October – 30 December150–209 frost-free days
Bellinzona16 October – end of December210–269 frost-free days
Zurich17 October – end of December210–269 frost-free days
Geneva18 October – end of December210–269 frost-free days
St. Gallen19 October – end of December210–269 frost-free days
Basel21 October – end of December210–269 frost-free days
Lausanne21 October – end of December210–269 frost-free days
Neuchâtel29 October – end of December210–269 frost-free days
Lugano5 November – end of December210–269 frost-free days