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When to plant garlic in Anchorage: 14 September – 18 October

In Anchorage, garlic: plant from 14 September to about 18 October.

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 Anchorage: soil, season and weather

Garlic goes into the ground in Anchorage from 14 September to about 18 October; the window opens a month before the first autumn frost. Nights then average below 0 °C in November–April; the coldest, January, averages -9.2 °C.

Planting14 September – 18 October
First autumn frost14 October
Coldest nightsJanuary, -9.2 °C
Soil back at 5 °C in spring28 April
Harvest (card)about 8 months after planting: May
Daylight13:06 on 14 September
Daylight at the winter solstice5:27

The same dates in Anchorage hold for Tulip, Daffodil, Crocus and Hyacinth.

Garlic in Anchorage: care after planting

Planted on 14 September: in the first weeks water every 7 days.

Feeding, by the card’s schedule from that day:

  • 14 September — feed: nitrogen
  • 12 October — 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 Anchorage, Fairbanks is 21 days earlier and Victoria 68 days later.

CityDistanceDateDifference
Fairbanks417 km24 August – 2 October21 days earlier
Whitehorse801 km29 August – 7 October16 days earlier
Juneau923 km6 September – 12 October8 days earlier
Yellowknife1,846 km4 September – 4 October10 days earlier
Vancouver2,129 km18 October – end of December34 days later
Victoria2,189 km21 November – end of December68 days later

Where to buy garlic for planting in Anchorage

Planting stock goes into the ground from 14 September to about 18 October; buy it before that. Within 15 km of Anchorage OpenStreetMap lists 5 garden centres, 9 markets and 1 farm shop (collected 20 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant garlic in Anchorage?

In Anchorage, garlic: plant from 14 September to about 18 October. 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 Anchorage?

Last spring frost around 30 April, first autumn frost around 14 October.

Other crops in Anchorage, with their dates