When to plant garlic in Yellowknife: 4 September – 4 October

In Yellowknife, garlic: plant from 4 September to about 4 October. For planting stock, the places nearby include Boreal Garden Centre (garden centre, 3 km) and Arctic Farmer Landscaping (garden centre, 4 km); addresses and opening hours are below.

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 Yellowknife: soil, season and weather

Garlic goes into the ground in Yellowknife from 4 September to about 4 October; the window opens a month before the first autumn frost. Nights then average below 0 °C in October–April; the coldest, February, averages -27.2 °C.

Planting	4 September – 4 October
First autumn frost	4 October
Coldest nights	February, -27.2 °C
Soil back at 5 °C in spring	18 May
Harvest (card)	about 8 months after planting: May
Daylight	14:09 on 4 September
Daylight at the winter solstice	4:58

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

Garlic in Yellowknife: care after planting

Planted on 4 September: in the first weeks water every 7 days.

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

4 September — feed: nitrogen
2 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 Yellowknife, Whitehorse is 6 days earlier and Kelowna 27 days later.

City	Distance	Date	Difference
Edmonton	991 km	6 September – 19 October	2 days later
Whitehorse	1,107 km	29 August – 7 October	6 days earlier
Juneau	1,189 km	6 September – 12 October	2 days later
Saskatoon	1,235 km	6 September – 19 October	2 days later
Calgary	1,268 km	1 September – 26 October	3 days earlier
Kelowna	1,432 km	1 October – 27 November	27 days later

Where to buy garlic for planting in Yellowknife

Planting stock goes into the ground from 4 September to about 4 October; buy it before that. Within 15 km of Yellowknife OpenStreetMap lists 2 garden centres (collected 28 October 2026).

Boreal Garden Centre — garden centre
Drybones Drive 101 · 3 km
Arctic Farmer Landscaping — garden centre
Drybones Drive 106 · 4 km

Questions