Home › Onion › Grow in Minnesota

Can You Grow Onion in Minnesota?

US · USDA Zone 4a · zones 2b, 3a, 3b, 4a, 4b

Grows well here

Onions grow well here — plant sets or transplants in early spring for a summer harvest.

Plant zones

2a–9b

Minnesota last frost

late April

Minnesota first frost

early October

Days to harvest

90–120 days

When to plant Onions in Minnesota

Start indoors

Feb 27

Transplant

Apr 25

Harvest

Jul 24 – Aug 23

Dates are approximate, based on Minnesota'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 Minnesota

Minnesota has a cold humid continental climate. The Twin Cities are Zone 4b-5a; northern Minnesota reaches Zone 2b-3a. Cold winters but warm productive summers.

See what grows well in Minnesota →

Frequently asked questions

Can you grow Onion in Minnesota?

Onions grow well here — plant sets or transplants in early spring for a summer harvest.

What zone is Minnesota?

Minnesota spans USDA Zone 4a (2b, 3a, 3b, 4a, 4b).

When do you plant Onions in Minnesota?

Plant Onions around late April (start indoors Feb 27), harvest Jul 24 – Aug 23.