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When to plant garlic in Ireland: 21 October – end of December

Garlic in Ireland: plant from 21 October to the end of December; the window opens earliest in Waterford and closes latest in Dublin (11 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
270 frost-free days or moreAthlone27 October – end of December
210–269 frost-free daysDublin, Cork, Galway, Limerick, Waterford, Kilkenny, Sligo, Tralee, Letterkenny, Dundalk21 October – end of December

Garlic: the window in each city

CityWindowZone
Dundalk21 October – end of December210–269 frost-free days
Kilkenny21 October – end of December210–269 frost-free days
Waterford21 October – end of December210–269 frost-free days
Cork22 October – end of December210–269 frost-free days
Limerick22 October – end of December210–269 frost-free days
Sligo22 October – end of December210–269 frost-free days
Tralee23 October – end of December210–269 frost-free days
Dublin25 October – end of December210–269 frost-free days
Athlone27 October – end of December270 frost-free days or more
Galway29 October – end of December210–269 frost-free days
Letterkenny29 October – end of December210–269 frost-free days