When to plant garlic in France: 25 September – end of December
Garlic in France: plant from 25 September to the end of December; the window opens earliest in Grenoble and closes latest in Paris (43 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
| Zone | Cities | Window |
|---|---|---|
| 270 frost-free days or more | Bordeaux, Nice, Montpellier, Le Havre, Nîmes, Brest (France), Perpignan, Avignon, La Rochelle, Quimper, Ajaccio, Bayonne | 31 October – end of December |
| 210–269 frost-free days | Paris, Lyon, Toulouse, Nantes, Strasbourg, Lille, Rennes, Reims, Saint-Étienne, Dijon, Angers, Clermont-Ferrand, Tours, Limoges, Metz, Le Mans, Amiens, Besançon, Orléans, Rouen, Mulhouse, Caen, Nancy, Poitiers, Pau, Colmar, Valence, Chambéry, Troyes, Annecy | 13 October – end of December |
| 150–209 frost-free days | Grenoble | 25 September – 1 December |
| Frost without a regular season | Marseille | — |
| No frost in ten years | Toulon | — |
Garlic: the window in each city
| City | Window | Zone |
|---|---|---|
| Grenoble | 25 September – 1 December | 150–209 frost-free days |
| Marseille | There is no autumn frost here and the winter is too warm for our late-planting rule, so we give no planting window; the calendar’s default autumn date is 1 October. | Frost without a regular season |
| Toulon | There is no autumn frost here and the winter is too warm for our late-planting rule, so we give no planting window; the calendar’s default autumn date is 1 October. | No frost in ten years |
| Clermont-Ferrand | 13 October – end of December | 210–269 frost-free days |
| Annecy | 15 October – end of December | 210–269 frost-free days |
| Colmar | 18 October – end of December | 210–269 frost-free days |
| Metz | 18 October – end of December | 210–269 frost-free days |
| Mulhouse | 18 October – end of December | 210–269 frost-free days |
| Nancy | 18 October – end of December | 210–269 frost-free days |
| Reims | 18 October – end of December | 210–269 frost-free days |
| Saint-Étienne | 18 October – end of December | 210–269 frost-free days |
| Besançon | 19 October – end of December | 210–269 frost-free days |
| Troyes | 19 October – end of December | 210–269 frost-free days |
| Dijon | 20 October – end of December | 210–269 frost-free days |
| Poitiers | 20 October – end of December | 210–269 frost-free days |
| Chambéry | 21 October – end of December | 210–269 frost-free days |
| Paris | 21 October – end of December | 210–269 frost-free days |
| Strasbourg | 21 October – end of December | 210–269 frost-free days |
| Amiens | 22 October – end of December | 210–269 frost-free days |
| Lille | 22 October – end of December | 210–269 frost-free days |
| Rouen | 22 October – end of December | 210–269 frost-free days |
| Valence | 22 October – end of December | 210–269 frost-free days |
| Le Mans | 25 October – end of December | 210–269 frost-free days |
| Lyon | 26 October – end of December | 210–269 frost-free days |
| Orléans | 26 October – end of December | 210–269 frost-free days |
| Angers | 28 October – end of December | 210–269 frost-free days |
| Limoges | 28 October – end of December | 210–269 frost-free days |
| Tours | 28 October – end of December | 210–269 frost-free days |
| Rennes | 29 October – end of December | 210–269 frost-free days |
| Toulouse | 29 October – end of December | 210–269 frost-free days |
| Nantes | 30 October – end of December | 210–269 frost-free days |
| Bordeaux | 31 October – end of December | 270 frost-free days or more |
| Nîmes | 1 November – end of December | 270 frost-free days or more |
| Avignon | 2 November – end of December | 270 frost-free days or more |
| Pau | 4 November – end of December | 210–269 frost-free days |
| Caen | 5 November – end of December | 210–269 frost-free days |
| Nice | 7 November – end of December | 270 frost-free days or more |
| Ajaccio | 9 November – end of December | 270 frost-free days or more |
| Quimper | 9 November – end of December | 270 frost-free days or more |
| La Rochelle | 12 November – end of December | 270 frost-free days or more |
| Le Havre | 12 November – end of December | 270 frost-free days or more |
| Perpignan | 12 November – end of December | 270 frost-free days or more |
| Brest (France) | 13 November – end of December | 270 frost-free days or more |
| Bayonne | 17 November – end of December | 270 frost-free days or more |
| Montpellier | 28 November – end of December | 270 frost-free days or more |