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Korean Small Onion illustration

Growing Korean Small Onion in Zone 3a

Zone 3a has harsh winters and a short growing season. Start Korean Small Onion early indoors to maximize your harvest window. Sista frost: May 22. Första frost: Sep 12.

Planting Calendar

Outdoor
Harvest
Apr 24Sep 12

Season: May 22 – Sep 12 (113 dagar)

Zon3a
Sista frostMay 22
Första frostSep 12
Säsong113 dagar
Skörd65 dagar
SolFull Sol

When to Plant Korean Small Onion in Zone 3a

Harvest: Jun 3

First harvest approximately Jun 3 (~40 dagar from transplant). Continue harvesting until first frost (Sep 12). Korean Small Onion can overwinter in mild climates for continued harvest.

Fall Planting: Aug 1

For a fall harvest, plant Korean Small Onion around Aug 1 (6 weeks before first frost).

Samplantering

✅ Morot✅ Rödbeta✅ Sallat
❌ Bean❌ Ärt

Korean Small Onion in Other Zones

1a 1b 2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b 12a 12b 13a 13b

Plan Your Garden Korean Small Onion

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

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