Korean Small Onion illustration

Growing Korean Small Onion in Zone 3b

Zone 3b has harsh winters and a short growing season. Start Korean Small Onion early indoors to maximize your harvest window. Sista frost: May 15. Första frost: Sep 22.

Planting Calendar

Outdoor
Harvest
Apr 17Sep 22

Season: May 15 – Sep 22 (130 dagar)

Zon3b
Sista frostMay 15
Första frostSep 22
Säsong130 dagar
Skörd65 dagar
SolFull Sol

When to Plant Korean Small Onion in Zone 3b

Harvest: May 27

First harvest approximately May 27 (~40 dagar from transplant). Continue harvesting until first frost (Sep 22). Korean Small Onion can overwinter in mild climates for continued harvest.

Fall Planting: Aug 11

For a fall harvest, plant Korean Small Onion around Aug 11 (6 weeks before first frost).

Samplantering

❌ Bean❌ Ärt

Plan Your Garden Korean Small Onion

Track Korean Small Onion from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

Start Free Korean Small Onion Growing Guide