When to plant garlic in Ushuaia: 27 December – 18 May
In Ushuaia, garlic: plant from 27 December to about 18 May.
Garlic is best planted early in the window: cloves planted late make smaller bulbs. Late planting works only while the soil is not frozen. Mulch after planting.
The date is about two weeks before the average daily temperature here falls below 0 °C (ten years of weather): an estimate, not the day the ground freezes, and a cold spell can freeze it earlier. Sources: UVM Extension, UNH Extension, RHS, how the ground freezes (NRC Canada, CBD-26).
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Garlic in Ushuaia: soil, season and weather
Garlic goes into the ground in Ushuaia from 27 December to about 18 May; the window opens a month before the first autumn frost. Nights then average below 0 °C in May–September; the coldest, July, averages -4.1 °C.
| Planting | 27 December – 18 May |
|---|---|
| First autumn frost | 26 January |
| Coldest nights | July, -4.1 °C |
| Soil back at 5 °C in spring | 24 October |
| Harvest (card) | about 8 months after planting: September |
| Daylight | 17:18 on 27 December |
| Daylight at the winter solstice | 7:12 |
The same dates in Ushuaia hold for Tulip, Daffodil, Crocus and Hyacinth.
Garlic in Ushuaia: care after planting
Planted on 27 December: in the first weeks water every 7 days.
Feeding, by the card’s schedule from that day:
- 27 December — feed: nitrogen
- 24 January — feed: nitrogen
Pests and diseases of garlic to watch for:
Dates count from the first planting day of the window above; a later planting moves them by as many days.
Garlic in nearby cities
Around Ushuaia, Coyhaique is 12 days earlier and Puerto Montt 131 days later.
| City | Distance | Date | Difference |
|---|---|---|---|
| Punta Arenas | 250 km | 8 March – end of June | 71 days later |
| Río Gallegos | 360 km | 7 March – end of June | 70 days later |
| Comodoro Rivadavia | 997 km | 24 April – end of June | 118 days later |
| Coyhaique | 1,061 km | 15 December – 25 May | 12 days earlier |
| Trelew | 1,304 km | 29 April – end of June | 123 days later |
| Puerto Montt | 1,522 km | 7 May – end of June | 131 days later |
Where to buy garlic for planting in Ushuaia
Planting stock goes into the ground from 27 December to about 18 May; buy it before that. Within 15 km of Ushuaia OpenStreetMap lists 3 markets (collected 27 October 2026).
- Mar de Cobos — market
2 km - Champita — market
2 km - Mercado De la Costa — market
6 km
Places: © OpenStreetMap contributors, ODbL.
- How to grow garlic
- All frost dates and weather of Ushuaia
- Shops and markets: Ushuaia
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- Moon planting calendar for November 2026
- How we calculate the dates
Questions
When to plant garlic in Ushuaia?
In Ushuaia, garlic: plant from 27 December to about 18 May. Garlic is best planted early in the window: cloves planted late make smaller bulbs. Late planting works only while the soil is not frozen. Mulch after planting.
When is the last spring frost in Ushuaia?
Last spring frost around 12 December, first autumn frost around 26 January.
Other crops in Ushuaia, with their dates
- Tomato · from 19 December
- Cucumber · 19 December – 23 December
- Bell Pepper · from 19 December
- Eggplant · from 19 December
- Zucchini · 19 December – 21 December
- Pumpkin · from 19 December
- Watermelon · from 19 December
- Peas · from 21 November
- Tulip · 27 December – 18 May
- Daffodil · 27 December – 18 May
- Crocus · 27 December – 18 May
- Hyacinth · 27 December – 18 May