What Grows in Yellowknife, NT?

Yellowknife, NT is in Canadian Hardiness Zone 1. This drives everything about what you can reliably grow — it maps directly to how cold your winters get.

The average last spring frost in Yellowknife is around June 5, and the first fall frost is typically September 1. Plan to move tender plants outside after June 5 and have them harvested (or protected) before September 1.

Plenty — Yellowknife's Canadian Zone 1 climate supports 30+ crops. Some of the easiest and most reliable here are Microgreens, Turnip, Rutabaga.

Yellowknife typically has around 70 frost-free days per year (roughly June 5 to September 1). That's a short season — focus on fast-maturing and cool-season crops (greens, roots, peas), start warm-season plants indoors, and use season extension like row covers.

Go with fast-maturing crops to get a quick win while the season is short: Microgreens, Scallion, Watercress are among the quickest from seed to harvest in Yellowknife.

Yes — Yellowknife's climate is container-friendly for the right crops. Cabbage, Turnip, Kohlrabi all do well in pots, which also lets you start them a little earlier and move them in on cold nights.

For warm-season crops like Cabbage, Celeriac, Kohlrabi, start seeds indoors 6–8 weeks before your last frost (around June 5), then transplant after the danger of frost has passed.

A few crops need extra care in Yellowknife's climate — Lettuce, Spinach, Kale are borderline here and may need season extension (row covers, cold frames, or a head start indoors).