Home › Onion › Grow in Northwest Territories

Can You Grow Onion in Northwest Territories?

Canada · Canadian Zone 1 · zones 0, 1, 2

Borderline

Onions can grow in most zones — choose day-neutral varieties for best results.

Plant zones

2a–9b

Northwest Territories last frost

mid-June

Northwest Territories first frost

mid-August

Days to harvest

90–120 days

When to plant Onions in Northwest Territories

Start indoors

Apr 20

Transplant

Jun 15

Harvest

Sep 13 – Oct 13

Dates are approximate, based on Northwest Territories's average frost dates. Your exact yard may vary by microclimate.

About Onion

Onions are a staple crop that stores well and can be grown as sets transplants or from seed.

Growing from sets is easiest for beginners. Plant in early spring — onions are frost-tolerant. Day-length sensitive — choose short-day long-day or day-neutral varieties based on your latitude.

Full onion growing guide →

Gardening in Northwest Territories

The NWT has an arctic to subarctic climate. Only the very hardiest crops survive the extremely short summer. Gardening under cover is the primary approach.

See what grows well in Northwest Territories →

Frequently asked questions

Can you grow Onion in Northwest Territories?

Onions can grow in most zones — choose day-neutral varieties for best results.

What zone is Northwest Territories?

Northwest Territories spans Canadian Zone 1 (0, 1, 2).

When do you plant Onions in Northwest Territories?

Plant Onions around mid-June (start indoors Apr 20), harvest Sep 13 – Oct 13.