Greenly Garden

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).

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.

Planting27 December – 18 May
First autumn frost26 January
Coldest nightsJuly, -4.1 °C
Soil back at 5 °C in spring24 October
Harvest (card)about 8 months after planting: September
Daylight17:18 on 27 December
Daylight at the winter solstice7:12

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.

CityDistanceDateDifference
Punta Arenas250 km8 March – end of June71 days later
Río Gallegos360 km7 March – end of June70 days later
Comodoro Rivadavia997 km24 April – end of June118 days later
Coyhaique1,061 km15 December – 25 May12 days earlier
Trelew1,304 km29 April – end of June123 days later
Puerto Montt1,522 km7 May – end of June131 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).

Places: © OpenStreetMap contributors, ODbL.

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